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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:01:51,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:01:51,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:01:51,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:01:51,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:01:51,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:01:51,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:01:51,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:01:51,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:01:51,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:01:51,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:01:51,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:01:51,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:01:51,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:01:51,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:01:51,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:01:51,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:01:51,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:01:51,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:01:51,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:01:51,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:01:51,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:01:51,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:01:51,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:01:51,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:01:51,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:01:51,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:01:51,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:01:51,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:01:51,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:01:51,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:01:51,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:01:51,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:01:51,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:01:51,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:01:51,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:01:51,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:01:51,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:01:51,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:01:51,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:01:51,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:01:51,253 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 14:01:51,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:01:51,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:01:51,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:01:51,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:01:51,273 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:01:51,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:01:51,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:01:51,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:01:51,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:01:51,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:01:51,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:01:51,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:01:51,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:01:51,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:01:51,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:01:51,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:01:51,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:01:51,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:01:51,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:01:51,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:01:51,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:01:51,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:01:51,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:01:51,278 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 14:01:51,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:01:51,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:01:51,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:01:51,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:01:51,336 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:01:51,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2019-09-06 14:01:51,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2f31c9b/cece74cdb68442518d94dc8e82552c43/FLAGfabc793fe [2019-09-06 14:01:52,110 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:01:52,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2019-09-06 14:01:52,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2f31c9b/cece74cdb68442518d94dc8e82552c43/FLAGfabc793fe [2019-09-06 14:01:52,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2f31c9b/cece74cdb68442518d94dc8e82552c43 [2019-09-06 14:01:52,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:01:52,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:01:52,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:52,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:01:52,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:01:52,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:52" (1/1) ... [2019-09-06 14:01:52,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd2cce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:52, skipping insertion in model container [2019-09-06 14:01:52,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:52" (1/1) ... [2019-09-06 14:01:52,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:01:52,362 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:01:53,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:53,218 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:01:53,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:53,750 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:01:53,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53 WrapperNode [2019-09-06 14:01:53,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:53,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:01:53,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:01:53,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:01:53,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (1/1) ... [2019-09-06 14:01:53,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:01:53,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:01:53,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:01:53,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:01:53,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:53" (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 14:01:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:01:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:01:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:01:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:01:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:01:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:01:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:01:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:01:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:01:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:01:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:01:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:01:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:01:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:01:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:01:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:01:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:01:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:01:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:01:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:01:56,621 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:01:56,622 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:01:56,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:56 BoogieIcfgContainer [2019-09-06 14:01:56,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:01:56,624 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:01:56,625 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:01:56,625 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:01:56,627 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:56" (1/1) ... [2019-09-06 14:01:56,627 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 14:01:56,672 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-06 14:01:56,672 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:01:56,704 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:01:56,716 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:01:56,718 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:01:56,942 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 515 for LOIs [2019-09-06 14:02:55,462 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:02:55,462 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:02:55,464 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 13732#(and (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~19) (<= ~st4~0 1) (<= 0 main_~__tmp_16~0) (<= main_~__tmp_16~0 1) (<= ~__return_7131~0 0) (<= 0 ~__return_7131~0) (<= 1 ~st4~0) (<= main_~check__tmp~19 0) (<= ~mode4~0 0) (<= 0 main_~assert__arg~15) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~assert__arg~15 1)) [2019-09-06 14:02:55,465 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 13273#(and (<= main_~__tmp_9~0 1) (<= ~__return_7827~0 0) (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 0 main_~assert__arg~8) (<= 1 ~st4~0) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= ~mode4~0 0) (<= main_~check__tmp~8 0) (<= 0 ~__return_7827~0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0)) [2019-09-06 14:02:55,465 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 13232#(and (<= 0 ~mode3~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= 1 ~st4~0) (<= 1 ~st5~0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 0 ~__return_7224~0) (<= ~__return_7224~0 0) (<= 0 main_~check__tmp~5)) [2019-09-06 14:02:55,465 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 13687#(and (<= 0 main_~check__tmp~24) (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= main_~main__c1~0 0) (<= main_~check__tmp~24 0) (<= ~mode4~0 0) (<= 0 ~__return_8335~0) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= main_~__tmp_18~0 1) (<= 0 ~mode4~0) (<= ~__return_8335~0 0) (<= 0 main_~assert__arg~17)) [2019-09-06 14:02:55,465 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 13198#true [2019-09-06 14:02:55,466 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 13138#(and (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= 1 ~st5~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= ~__return_7637~0 0) (<= 0 ~__return_7637~0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 1 ~st3~0)) [2019-09-06 14:02:55,466 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 12979#(and (<= 0 main_~check__tmp~10) (<= ~__return_8222~0 0) (<= main_~assert__arg~9 1) (<= 0 ~__return_8222~0) (<= main_~__tmp_10~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= 0 main_~assert__arg~9) (<= 0 main_~__tmp_10~0) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0)) [2019-09-06 14:02:55,466 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 13500#(and (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= main_~assert__arg~2 1) (<= 0 main_~__tmp_3~0)) [2019-09-06 14:02:55,467 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 13553#(and (<= main_~check__tmp~17 0) (<= 0 main_~assert__arg~13) (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= ~mode4~0 0) (<= 0 main_~check__tmp~17) (<= 0 ~__return_6749~0) (<= ~mode5~0 0) (<= 0 main_~__tmp_14~0) (<= ~mode3~0 0) (<= ~__return_6749~0 0) (<= main_~assert__arg~13 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~__tmp_14~0 1)) [2019-09-06 14:02:55,467 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 13647#(and (<= ~__return_7544~0 0) (<= 0 main_~assert__arg~16) (<= 0 main_~check__tmp~21) (<= main_~main__c1~0 0) (<= 0 ~__return_7544~0) (<= main_~check__tmp~21 0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= 0 main_~__tmp_17~0) (<= main_~__tmp_17~0 1) (<= main_~assert__arg~16 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)) [2019-09-06 14:02:55,467 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 12509#(and (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 0 ~__return_7042~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= ~st4~0 1) (<= 0 main_~assert__arg~4) (<= 1 ~st4~0) (<= ~__return_7042~0 0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)) [2019-09-06 14:02:55,467 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 12864#(and (<= main_~assert__arg~6 1) (<= ~__return_7443~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= 0 ~__return_7443~0) (<= main_~__tmp_7~0 1) (<= ~mode4~0 0) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 main_~check__tmp~6) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~6) (<= 1 ~st3~0)) [2019-09-06 14:02:55,468 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 13084#(and (<= ~__return_8426~0 0) (<= main_~check__tmp~11 0) (<= main_~main__c1~0 0) (<= 1 ~st5~0) (<= ~mode5~0 0) (<= 0 main_~check__tmp~11) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~__return_8426~0) (<= main_~__tmp_11~0 1) (<= main_~assert__arg~10 1) (<= 0 main_~__tmp_11~0) (<= 0 main_~assert__arg~10)) [2019-09-06 14:02:55,468 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 12822#(and (<= ~__return_6843~0 0) (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= 0 ~__return_6843~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= 1 ~st5~0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~3)) [2019-09-06 14:02:55,468 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 13028#(and (<= 0 main_~assert__arg~12) (<= ~__return_8988~0 0) (<= 0 main_~check__tmp~14) (<= main_~main__c1~0 0) (<= ~mode4~0 0) (<= main_~check__tmp~14 0) (<= 0 main_~__tmp_13~0) (<= main_~assert__arg~12 1) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~__return_8988~0) (<= 0 ~mode4~0) (<= main_~__tmp_13~0 1)) [2019-09-06 14:02:55,468 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 13598#(and (<= main_~__tmp_15~0 1) (<= 0 ~mode3~0) (<= 0 ~__return_6920~0) (<= 0 main_~check__tmp~18) (<= main_~check__tmp~18 0) (<= main_~main__c1~0 0) (<= 1 ~st5~0) (<= main_~assert__arg~14 1) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= ~__return_6920~0 0) (<= 0 main_~__tmp_15~0) (<= 0 main_~assert__arg~14)) [2019-09-06 14:02:55,503 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:02:55,503 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:02:55,506 INFO L168 Benchmark]: Toolchain (without parser) took 63272.17 ms. Allocated memory was 137.9 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 89.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 423.6 MB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,507 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 112.0 MB in the beginning and 111.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1514.13 ms. Allocated memory was 137.9 MB in the beginning and 230.2 MB in the end (delta: 92.3 MB). Free memory was 89.5 MB in the beginning and 168.1 MB in the end (delta: -78.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,509 INFO L168 Benchmark]: Boogie Preprocessor took 189.27 ms. Allocated memory is still 230.2 MB. Free memory was 168.1 MB in the beginning and 158.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,510 INFO L168 Benchmark]: RCFGBuilder took 2682.54 ms. Allocated memory was 230.2 MB in the beginning and 246.9 MB in the end (delta: 16.8 MB). Free memory was 158.5 MB in the beginning and 130.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,511 INFO L168 Benchmark]: Sifa took 58878.72 ms. Allocated memory was 246.9 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 130.3 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 355.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:02:55,515 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 137.9 MB. Free memory was 112.0 MB in the beginning and 111.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1514.13 ms. Allocated memory was 137.9 MB in the beginning and 230.2 MB in the end (delta: 92.3 MB). Free memory was 89.5 MB in the beginning and 168.1 MB in the end (delta: -78.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.27 ms. Allocated memory is still 230.2 MB. Free memory was 168.1 MB in the beginning and 158.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2682.54 ms. Allocated memory was 230.2 MB in the beginning and 246.9 MB in the end (delta: 16.8 MB). Free memory was 158.5 MB in the beginning and 130.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Sifa took 58878.72 ms. Allocated memory was 246.9 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 130.3 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 355.2 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]: 58797, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 10890, DAG_INTERPRETER_EARLY_EXITS: 303, TOOLS_POST_APPLICATIONS: 10789, TOOLS_POST_TIME[ms]: 22606, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 72, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 20283, FLUID_QUERY_TIME[ms]: 116, FLUID_QUERIES: 10892, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 2936, DOMAIN_JOIN_TIME[ms]: 1022, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 768, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 2642, DOMAIN_ISBOTTOM_TIME[ms]: 8098, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1109, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1108, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, 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]: 12, PATH_EXPR_TIME[ms]: 193, REGEX_TO_DAG_TIME[ms]: 130, DAG_COMPRESSION_TIME[ms]: 23169, DAG_COMPRESSION_PROCESSED_NODES: 694029, DAG_COMPRESSION_RETAINED_NODES: 141550 - UnprovableResult [Line: 2223]: 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 13732#(and (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~19) (<= ~st4~0 1) (<= 0 main_~__tmp_16~0) (<= main_~__tmp_16~0 1) (<= ~__return_7131~0 0) (<= 0 ~__return_7131~0) (<= 1 ~st4~0) (<= main_~check__tmp~19 0) (<= ~mode4~0 0) (<= 0 main_~assert__arg~15) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~assert__arg~15 1)). Possible FailurePath: - UnprovableResult [Line: 1335]: 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 13273#(and (<= main_~__tmp_9~0 1) (<= ~__return_7827~0 0) (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 0 main_~assert__arg~8) (<= 1 ~st4~0) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= ~mode4~0 0) (<= main_~check__tmp~8 0) (<= 0 ~__return_7827~0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1085]: 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 13232#(and (<= 0 ~mode3~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= 1 ~st4~0) (<= 1 ~st5~0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 0 ~__return_7224~0) (<= ~__return_7224~0 0) (<= 0 main_~check__tmp~5)). Possible FailurePath: - UnprovableResult [Line: 2618]: 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 13687#(and (<= 0 main_~check__tmp~24) (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= main_~main__c1~0 0) (<= main_~check__tmp~24 0) (<= ~mode4~0 0) (<= 0 ~__return_8335~0) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= main_~__tmp_18~0 1) (<= 0 ~mode4~0) (<= ~__return_8335~0 0) (<= 0 main_~assert__arg~17)). Possible FailurePath: - UnprovableResult [Line: 1649]: 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 13198#true. Possible FailurePath: - UnprovableResult [Line: 1256]: 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 13138#(and (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= 1 ~st5~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= ~__return_7637~0 0) (<= 0 ~__return_7637~0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1520]: 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 12979#(and (<= 0 main_~check__tmp~10) (<= ~__return_8222~0 0) (<= main_~assert__arg~9 1) (<= 0 ~__return_8222~0) (<= main_~__tmp_10~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= 0 main_~assert__arg~9) (<= 0 main_~__tmp_10~0) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0)). Possible FailurePath: - UnprovableResult [Line: 600]: 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 13500#(and (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= main_~assert__arg~2 1) (<= 0 main_~__tmp_3~0)). Possible FailurePath: - UnprovableResult [Line: 2093]: 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 13553#(and (<= main_~check__tmp~17 0) (<= 0 main_~assert__arg~13) (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= ~mode4~0 0) (<= 0 main_~check__tmp~17) (<= 0 ~__return_6749~0) (<= ~mode5~0 0) (<= 0 main_~__tmp_14~0) (<= ~mode3~0 0) (<= ~__return_6749~0 0) (<= main_~assert__arg~13 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~__tmp_14~0 1)). Possible FailurePath: - UnprovableResult [Line: 2367]: 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 13647#(and (<= ~__return_7544~0 0) (<= 0 main_~assert__arg~16) (<= 0 main_~check__tmp~21) (<= main_~main__c1~0 0) (<= 0 ~__return_7544~0) (<= main_~check__tmp~21 0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= 0 main_~__tmp_17~0) (<= main_~__tmp_17~0 1) (<= main_~assert__arg~16 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1034]: 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 12509#(and (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 0 ~__return_7042~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= ~st4~0 1) (<= 0 main_~assert__arg~4) (<= 1 ~st4~0) (<= ~__return_7042~0 0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1205]: 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 12864#(and (<= main_~assert__arg~6 1) (<= ~__return_7443~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= 0 ~__return_7443~0) (<= main_~__tmp_7~0 1) (<= ~mode4~0 0) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 main_~check__tmp~6) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~6) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1571]: 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 13084#(and (<= ~__return_8426~0 0) (<= main_~check__tmp~11 0) (<= main_~main__c1~0 0) (<= 1 ~st5~0) (<= ~mode5~0 0) (<= 0 main_~check__tmp~11) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~__return_8426~0) (<= main_~__tmp_11~0 1) (<= main_~assert__arg~10 1) (<= 0 main_~__tmp_11~0) (<= 0 main_~assert__arg~10)). Possible FailurePath: - UnprovableResult [Line: 942]: 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 12822#(and (<= ~__return_6843~0 0) (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= 0 ~__return_6843~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= ~r1~0 5) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= 1 ~st5~0) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~3)). Possible FailurePath: - UnprovableResult [Line: 1792]: 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 13028#(and (<= 0 main_~assert__arg~12) (<= ~__return_8988~0 0) (<= 0 main_~check__tmp~14) (<= main_~main__c1~0 0) (<= ~mode4~0 0) (<= main_~check__tmp~14 0) (<= 0 main_~__tmp_13~0) (<= main_~assert__arg~12 1) (<= ~mode5~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= 0 ~__return_8988~0) (<= 0 ~mode4~0) (<= main_~__tmp_13~0 1)). Possible FailurePath: - UnprovableResult [Line: 2144]: 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 13598#(and (<= main_~__tmp_15~0 1) (<= 0 ~mode3~0) (<= 0 ~__return_6920~0) (<= 0 main_~check__tmp~18) (<= main_~check__tmp~18 0) (<= main_~main__c1~0 0) (<= 1 ~st5~0) (<= main_~assert__arg~14 1) (<= ~mode4~0 0) (<= ~mode5~0 0) (<= ~mode3~0 0) (<= 0 ~mode5~0) (<= 0 main_~main__c1~0) (<= ~st5~0 1) (<= 0 ~mode4~0) (<= ~__return_6920~0 0) (<= 0 main_~__tmp_15~0) (<= 0 main_~assert__arg~14)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...