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/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:52:33,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:52:33,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:52:33,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:52:33,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:52:33,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:52:33,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:52:33,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:52:33,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:52:33,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:52:33,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:52:33,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:52:33,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:52:33,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:52:33,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:52:33,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:52:33,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:52:33,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:52:33,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:52:33,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:52:33,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:52:33,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:52:33,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:52:33,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:52:34,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:52:34,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:52:34,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:52:34,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:52:34,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:52:34,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:52:34,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:52:34,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:52:34,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:52:34,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:52:34,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:52:34,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:52:34,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:52:34,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:52:34,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:52:34,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:52:34,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:52:34,017 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 11:52:34,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:52:34,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:52:34,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:52:34,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:52:34,033 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:52:34,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:52:34,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:52:34,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:52:34,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:52:34,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:52:34,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:52:34,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:52:34,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:52:34,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:52:34,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:52:34,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:52:34,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:52:34,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:52:34,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:52:34,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:52:34,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:52:34,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:52:34,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:52:34,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:52:34,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:52:34,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:52:34,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:52:34,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:52:34,041 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 11:52:34,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:52:34,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:52:34,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:52:34,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:52:34,126 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:52:34,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c [2019-09-06 11:52:34,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bdfa1ea/006dd5c78351404d92ebb9533d809f66/FLAGc2a7eff63 [2019-09-06 11:52:34,727 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:52:34,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c [2019-09-06 11:52:34,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bdfa1ea/006dd5c78351404d92ebb9533d809f66/FLAGc2a7eff63 [2019-09-06 11:52:34,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bdfa1ea/006dd5c78351404d92ebb9533d809f66 [2019-09-06 11:52:35,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:52:35,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:52:35,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:52:35,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:52:35,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:52:35,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:52:34" (1/1) ... [2019-09-06 11:52:35,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f386140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35, skipping insertion in model container [2019-09-06 11:52:35,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:52:34" (1/1) ... [2019-09-06 11:52:35,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:52:35,074 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:52:35,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:52:35,491 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:52:35,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:52:35,576 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:52:35,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35 WrapperNode [2019-09-06 11:52:35,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:52:35,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:52:35,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:52:35,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:52:35,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (1/1) ... [2019-09-06 11:52:35,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:52:35,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:52:35,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:52:35,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:52:35,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:52:35" (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 11:52:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:52:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:52:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:52:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:52:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:52:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:52:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:52:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:52:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:52:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:52:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:52:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 11:52:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:52:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:52:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:52:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:52:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:52:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:52:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:52:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:52:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:52:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:52:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:52:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:52:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:52:36,490 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:52:36,490 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:52:36,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:52:36 BoogieIcfgContainer [2019-09-06 11:52:36,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:52:36,492 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:52:36,492 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:52:36,493 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:52:36,494 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:52:36" (1/1) ... [2019-09-06 11:52:36,495 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 11:52:36,520 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:52:36,521 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:52:36,536 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:52:36,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:52:36,552 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:52:36,733 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 235 for LOIs [2019-09-06 11:52:38,896 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 180 DAG size of output: 179 [2019-09-06 11:52:39,712 WARN L188 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 175 [2019-09-06 11:52:40,644 WARN L188 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 182 [2019-09-06 11:52:41,480 WARN L188 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-09-06 11:52:42,430 WARN L188 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 179 [2019-09-06 11:52:43,254 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 175 [2019-09-06 11:52:44,123 WARN L188 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 182 [2019-09-06 11:52:44,990 WARN L188 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-09-06 11:52:45,691 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2019-09-06 11:52:45,992 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-06 11:52:46,666 WARN L188 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2019-09-06 11:52:46,965 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-06 11:52:47,656 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2019-09-06 11:52:47,836 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-06 11:52:48,492 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 92 for LOIs [2019-09-06 11:52:48,496 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:52:48,497 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:52:48,500 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 825#(and (<= 0 ~mode1~0) (<= assert_~arg 1) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 (+ ~id3~0 128)) (<= 0 assert_~arg) (<= ~mode2~0 1) (<= ~p12~0 0) (<= (+ ~p31_new~0 1) 0) (<= (+ ~p32_new~0 1) 0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= 0 ~p21~0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= 0 (+ ~p21_new~0 1)) (<= ~id3~0 127) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= 0 (+ ~p31_new~0 1)) (<= ~mode1~0 1) (<= (+ ~nomsg~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p31~0) (<= 0 ~p23~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~p13~0 0) (<= (+ ~p23_new~0 1) 0) (<= 0 ~p32~0) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0)) [2019-09-06 11:52:48,513 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:52:48,513 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:52:48,515 INFO L168 Benchmark]: Toolchain (without parser) took 13507.07 ms. Allocated memory was 133.2 MB in the beginning and 438.8 MB in the end (delta: 305.7 MB). Free memory was 88.1 MB in the beginning and 131.8 MB in the end (delta: -43.7 MB). Peak memory consumption was 261.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,516 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.03 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 171.2 MB in the end (delta: -83.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,518 INFO L168 Benchmark]: Boogie Preprocessor took 79.16 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 168.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,519 INFO L168 Benchmark]: RCFGBuilder took 834.71 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 112.8 MB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,520 INFO L168 Benchmark]: Sifa took 12020.79 ms. Allocated memory was 200.3 MB in the beginning and 438.8 MB in the end (delta: 238.6 MB). Free memory was 112.8 MB in the beginning and 131.8 MB in the end (delta: -19.0 MB). Peak memory consumption was 219.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:52:48,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 568.03 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 171.2 MB in the end (delta: -83.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.16 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 168.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 834.71 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 112.8 MB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. * Sifa took 12020.79 ms. Allocated memory was 200.3 MB in the beginning and 438.8 MB in the end (delta: 238.6 MB). Free memory was 112.8 MB in the beginning and 131.8 MB in the end (delta: -19.0 MB). Peak memory consumption was 219.6 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]: 11980, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 552, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 522, TOOLS_POST_TIME[ms]: 10052, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME[ms]: 204, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_TIME[ms]: 10121, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 554, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 260, DOMAIN_JOIN_TIME[ms]: 624, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 45, DOMAIN_ISBOTTOM_APPLICATIONS: 235, DOMAIN_ISBOTTOM_TIME[ms]: 746, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3403, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3403, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11529, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 935, DAG_COMPRESSION_RETAINED_NODES: 411 - UnprovableResult [Line: 652]: 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 825#(and (<= 0 ~mode1~0) (<= assert_~arg 1) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 (+ ~id3~0 128)) (<= 0 assert_~arg) (<= ~mode2~0 1) (<= ~p12~0 0) (<= (+ ~p31_new~0 1) 0) (<= (+ ~p32_new~0 1) 0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= 0 ~p21~0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= 0 (+ ~p21_new~0 1)) (<= ~id3~0 127) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= 0 (+ ~p31_new~0 1)) (<= ~mode1~0 1) (<= (+ ~nomsg~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p31~0) (<= 0 ~p23~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~p13~0 0) (<= (+ ~p23_new~0 1) 0) (<= 0 ~p32~0) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...