java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:05:18,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:05:18,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:05:18,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:05:18,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:05:18,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:05:18,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:05:18,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:05:18,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:05:18,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:05:18,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:05:18,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:05:18,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:05:18,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:05:18,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:05:18,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:05:18,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:05:18,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:05:18,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:05:18,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:05:18,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:05:18,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:05:18,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:05:18,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:05:18,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:05:18,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:05:18,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:05:18,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:05:18,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:05:18,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:05:18,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:05:18,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:05:18,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:05:18,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:05:18,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:05:18,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:05:18,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:05:18,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:05:18,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:05:18,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:05:18,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:05:18,166 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 14:05:18,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:05:18,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:05:18,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:05:18,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:05:18,194 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:05:18,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:05:18,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:05:18,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:05:18,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:05:18,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:05:18,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:05:18,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:05:18,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:05:18,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:05:18,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:05:18,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:05:18,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:05:18,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:05:18,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:05:18,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:05:18,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:05:18,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:05:18,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:05:18,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:05:18,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:05:18,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:05:18,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:05:18,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:05:18,200 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 14:05:18,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:05:18,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:05:18,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:05:18,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:05:18,283 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:05:18,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2019-09-06 14:05:18,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5469d67/ab6c339606c7495d995cf7609e2fadb0/FLAGfa7313ef4 [2019-09-06 14:05:18,864 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:05:18,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2019-09-06 14:05:18,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5469d67/ab6c339606c7495d995cf7609e2fadb0/FLAGfa7313ef4 [2019-09-06 14:05:19,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5469d67/ab6c339606c7495d995cf7609e2fadb0 [2019-09-06 14:05:19,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:05:19,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:05:19,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:05:19,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:05:19,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:05:19,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:19,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f32035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19, skipping insertion in model container [2019-09-06 14:05:19,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:19,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:05:19,272 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:05:19,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:05:19,769 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:05:19,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:05:19,935 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:05:19,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19 WrapperNode [2019-09-06 14:05:19,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:05:19,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:05:19,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:05:19,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:05:19,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:19,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:19,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:19,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:20,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:20,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:20,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (1/1) ... [2019-09-06 14:05:20,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:05:20,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:05:20,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:05:20,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:05:20,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:05:19" (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 14:05:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:05:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:05:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:05:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:05:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:05:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:05:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:05:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:05:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:05:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:05:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:05:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:05:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:05:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 14:05:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:05:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:05:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:05:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:05:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:05:21,430 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:05:21,431 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:05:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:05:21 BoogieIcfgContainer [2019-09-06 14:05:21,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:05:21,433 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:05:21,433 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:05:21,433 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:05:21,434 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:05:21" (1/1) ... [2019-09-06 14:05:21,434 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 14:05:21,457 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:05:21,458 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:05:21,468 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:05:21,478 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:05:21,479 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:05:21,686 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 233 for LOIs [2019-09-06 14:06:23,033 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:06:23,034 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:06:23,037 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 80962#(and (<= ~mode3~0 1) (<= 0 ~mode1~0) (<= 0 ~mode3~0) (<= main_~check__tmp~2 1) (<= 0 ~mode2~0) (<= ~__return_1533~0 1) (<= main_~assert__arg~2 1) (<= ~mode2~0 1) (<= 0 main_~check__tmp~2) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 ~mode6~0) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~2) (<= 0 ~__return_1533~0) (<= 0 main_~__tmp_3~0)) [2019-09-06 14:06:23,055 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:06:23,055 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:06:23,058 INFO L168 Benchmark]: Toolchain (without parser) took 63859.44 ms. Allocated memory was 140.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 87.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 516.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,059 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.37 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 86.8 MB in the beginning and 164.6 MB in the end (delta: -77.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,061 INFO L168 Benchmark]: Boogie Preprocessor took 115.54 ms. Allocated memory is still 200.8 MB. Free memory was 164.6 MB in the beginning and 161.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,062 INFO L168 Benchmark]: RCFGBuilder took 1379.37 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 160.8 MB in the beginning and 185.1 MB in the end (delta: -24.4 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,063 INFO L168 Benchmark]: Sifa took 61622.83 ms. Allocated memory was 225.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 185.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 529.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:06:23,068 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 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.37 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 86.8 MB in the beginning and 164.6 MB in the end (delta: -77.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.54 ms. Allocated memory is still 200.8 MB. Free memory was 164.6 MB in the beginning and 161.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1379.37 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 160.8 MB in the beginning and 185.1 MB in the end (delta: -24.4 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 61622.83 ms. Allocated memory was 225.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 185.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 529.3 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]: 61580, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 52021, DAG_INTERPRETER_EARLY_EXITS: 1598, TOOLS_POST_APPLICATIONS: 52017, TOOLS_POST_TIME[ms]: 9757, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 76, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_TIME[ms]: 6040, FLUID_QUERY_TIME[ms]: 365, FLUID_QUERIES: 52022, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 28940, DOMAIN_JOIN_TIME[ms]: 13368, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 21741, DOMAIN_ISBOTTOM_TIME[ms]: 21973, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1169, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1168, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 72, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 58, REGEX_TO_DAG_TIME[ms]: 843, DAG_COMPRESSION_TIME[ms]: 11807, DAG_COMPRESSION_PROCESSED_NODES: 964378, DAG_COMPRESSION_RETAINED_NODES: 308205 - UnprovableResult [Line: 636]: 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 80962#(and (<= ~mode3~0 1) (<= 0 ~mode1~0) (<= 0 ~mode3~0) (<= main_~check__tmp~2 1) (<= 0 ~mode2~0) (<= ~__return_1533~0 1) (<= main_~assert__arg~2 1) (<= ~mode2~0 1) (<= 0 main_~check__tmp~2) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 ~mode6~0) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~2) (<= 0 ~__return_1533~0) (<= 0 main_~__tmp_3~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...