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_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:33:10,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:33:10,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:33:10,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:33:10,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:33:10,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:33:10,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:33:10,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:33:10,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:33:10,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:33:10,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:33:10,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:33:10,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:33:10,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:33:10,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:33:10,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:33:10,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:33:10,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:33:11,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:33:11,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:33:11,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:33:11,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:33:11,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:33:11,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:33:11,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:33:11,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:33:11,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:33:11,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:33:11,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:33:11,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:33:11,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:33:11,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:33:11,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:33:11,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:33:11,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:33:11,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:33:11,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:33:11,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:33:11,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:33:11,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:33:11,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:33:11,019 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 14:33:11,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:33:11,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:33:11,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:33:11,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:33:11,035 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:33:11,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:33:11,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:33:11,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:33:11,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:33:11,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:33:11,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:33:11,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:33:11,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:33:11,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:33:11,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:33:11,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:33:11,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:33:11,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:33:11,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:33:11,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:33:11,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:33:11,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:33:11,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:33:11,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:33:11,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:33:11,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:33:11,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:33:11,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:33:11,040 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 14:33:11,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:33:11,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:33:11,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:33:11,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:33:11,103 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:33:11,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:33:11,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7556d56/a99bc6100945416895d0abbf8aa9a982/FLAGf55165d1a [2019-09-06 14:33:11,721 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:33:11,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:33:11,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7556d56/a99bc6100945416895d0abbf8aa9a982/FLAGf55165d1a [2019-09-06 14:33:11,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7556d56/a99bc6100945416895d0abbf8aa9a982 [2019-09-06 14:33:12,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:33:12,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:33:12,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:33:12,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:33:12,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:33:12,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:33:11" (1/1) ... [2019-09-06 14:33:12,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a94f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12, skipping insertion in model container [2019-09-06 14:33:12,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:33:11" (1/1) ... [2019-09-06 14:33:12,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:33:12,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:33:12,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:33:12,687 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:33:12,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:33:12,912 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:33:12,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12 WrapperNode [2019-09-06 14:33:12,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:33:12,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:33:12,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:33:12,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:33:12,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:12,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (1/1) ... [2019-09-06 14:33:13,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:33:13,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:33:13,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:33:13,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:33:13,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:33:12" (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 14:33:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:33:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:33:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:33:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:33:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:33:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:33:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:33:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:33:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:33:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:33:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:33:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:33:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:33:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:33:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:33:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:33:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:33:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:33:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:33:14,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:33:14,624 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:33:14,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:33:14 BoogieIcfgContainer [2019-09-06 14:33:14,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:33:14,626 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:33:14,626 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:33:14,626 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:33:14,628 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:33:14" (1/1) ... [2019-09-06 14:33:14,630 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 14:33:14,670 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:33:14,670 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:33:14,689 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:33:14,700 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:33:14,702 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:33:14,920 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 268 for LOIs [2019-09-06 14:33:44,612 WARN L188 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:33:48,045 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:34:08,167 WARN L188 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:34:11,550 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:34:27,079 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:34:30,468 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:34:36,373 WARN L188 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:34:39,745 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:34:49,212 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:34:52,654 WARN L188 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:08,502 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:11,871 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:35:27,473 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:30,845 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:35:36,315 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:39,606 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:35:45,146 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:48,481 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:35:55,803 WARN L188 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:59,126 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:07,553 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:36:10,988 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:36:18,048 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:36:21,412 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:32,746 WARN L188 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:36,159 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:36:40,658 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:36:43,972 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:48,440 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:36:51,797 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:36:56,456 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:59,883 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:37:04,259 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:37:07,667 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:37:13,239 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:37:16,574 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:37:20,957 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:37:24,335 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:37:24,829 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:37:24,829 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:37:24,832 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 188052#(or (and (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= 0 ~__return_2575~0) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_2575~0 1)) (and (<= ~__return_2450~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2450~0) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1))) [2019-09-06 14:37:24,849 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:37:24,849 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:37:24,851 INFO L168 Benchmark]: Toolchain (without parser) took 252839.24 ms. Allocated memory was 137.9 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 84.2 MB in the beginning and 606.8 MB in the end (delta: -522.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,852 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 892.46 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 84.0 MB in the beginning and 166.8 MB in the end (delta: -82.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,854 INFO L168 Benchmark]: Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,855 INFO L168 Benchmark]: RCFGBuilder took 1621.71 ms. Allocated memory was 200.3 MB in the beginning and 220.7 MB in the end (delta: 20.4 MB). Free memory was 162.6 MB in the beginning and 144.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,856 INFO L168 Benchmark]: Sifa took 250223.35 ms. Allocated memory was 220.7 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 144.6 MB in the beginning and 606.8 MB in the end (delta: -462.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-09-06 14:37:24,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 892.46 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 84.0 MB in the beginning and 166.8 MB in the end (delta: -82.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.71 ms. Allocated memory was 200.3 MB in the beginning and 220.7 MB in the end (delta: 20.4 MB). Free memory was 162.6 MB in the beginning and 144.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. * Sifa took 250223.35 ms. Allocated memory was 220.7 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 144.6 MB in the beginning and 606.8 MB in the end (delta: -462.2 MB). Peak memory consumption was 1.5 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]: 250162, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 129950, DAG_INTERPRETER_EARLY_EXITS: 2467, TOOLS_POST_APPLICATIONS: 126908, TOOLS_POST_TIME[ms]: 146423, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 83, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 136665, FLUID_QUERY_TIME[ms]: 941, FLUID_QUERIES: 129990, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61119, DOMAIN_JOIN_TIME[ms]: 21612, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 20, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 40, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 50647, DOMAIN_ISBOTTOM_TIME[ms]: 63179, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43429, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43425, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 40, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 67, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 67, REGEX_TO_DAG_TIME[ms]: 633, DAG_COMPRESSION_TIME[ms]: 12084, DAG_COMPRESSION_PROCESSED_NODES: 659363, DAG_COMPRESSION_RETAINED_NODES: 251729 - UnprovableResult [Line: 919]: 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 188052#(or (and (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= 0 ~__return_2575~0) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_2575~0 1)) (and (<= ~__return_2450~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2450~0) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...