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_lcr.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:51:15,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:51:15,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:51:15,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:51:15,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:51:15,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:51:15,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:51:15,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:51:15,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:51:15,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:51:15,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:51:15,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:51:15,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:51:15,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:51:15,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:51:15,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:51:15,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:51:15,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:51:15,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:51:15,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:51:15,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:51:15,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:51:15,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:51:15,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:51:15,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 11:51:15,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:51:15,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:51:15,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:51:15,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:51:15,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:51:15,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:51:15,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:51:15,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:51:15,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:51:15,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:51:15,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:51:15,053 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 11:51:15,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:51:15,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:51:15,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:51:15,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:51:15,084 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:51:15,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:51:15,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:51:15,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:51:15,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:51:15,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:51:15,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:51:15,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:51:15,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:51:15,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:51:15,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:51:15,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:51:15,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:51:15,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:51:15,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:51:15,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:51:15,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:51:15,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:51:15,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:51:15,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:51:15,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:51:15,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:51:15,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:51:15,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:51:15,091 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 11:51:15,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:51:15,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:51:15,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:51:15,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:51:15,163 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:51:15,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2019-09-06 11:51:15,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211e9dd3/664f5bc42ec74070ad50982a25f34eb8/FLAGbf25cf5f4 [2019-09-06 11:51:15,732 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:51:15,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2019-09-06 11:51:15,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211e9dd3/664f5bc42ec74070ad50982a25f34eb8/FLAGbf25cf5f4 [2019-09-06 11:51:16,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211e9dd3/664f5bc42ec74070ad50982a25f34eb8 [2019-09-06 11:51:16,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:51:16,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:51:16,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:51:16,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:51:16,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:51:16,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677a2e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16, skipping insertion in model container [2019-09-06 11:51:16,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,063 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:51:16,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:51:16,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:51:16,582 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:51:16,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:51:16,647 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:51:16,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16 WrapperNode [2019-09-06 11:51:16,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:51:16,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:51:16,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:51:16,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:51:16,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (1/1) ... [2019-09-06 11:51:16,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:51:16,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:51:16,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:51:16,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:51:16,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:51:16" (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 11:51:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:51:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:51:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:51:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-06 11:51:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:51:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:51:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:51:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:51:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:51:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:51:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:51:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:51:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:51:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 11:51:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:51:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:51:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:51:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:51:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:51:17,458 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:51:17,458 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:51:17,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:51:17 BoogieIcfgContainer [2019-09-06 11:51:17,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:51:17,460 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:51:17,460 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:51:17,461 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:51:17,462 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:51:17" (1/1) ... [2019-09-06 11:51:17,462 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 11:51:17,487 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:51:17,487 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:51:17,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:51:17,507 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:51:17,508 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:51:17,658 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 144 for LOIs [2019-09-06 11:51:18,723 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 63 for LOIs [2019-09-06 11:51:18,727 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:51:18,728 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:51:18,730 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 304#(or (and (<= 1 assert_~arg) (<= assert_~arg 1) (<= 0 (+ ~p3_new~0 1)) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 1 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= (+ ~p2_new~0 1) 0) (<= 0 (+ ~p1_new~0 1)) (<= |assert_#in~arg| 1) (<= 0 ~p4~0) (<= 0 (+ ~p2_new~0 1)) (<= 0 (+ ~p4_new~0 1)) (<= ~id3~0 127) (<= (+ ~p4_new~0 1) 0) (<= ~p4~0 0) (<= ~p2~0 0) (<= (+ ~nomsg~0 1) 0) (<= ~p1~0 0) (<= (+ ~p1_new~0 1) 0) (<= 0 ~p1~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~id4~0 127)) (and (<= 0 (+ ~p3_new~0 1)) (<= |assert_#in~arg| 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 0 assert_~arg) (<= assert_~arg 0) (<= 0 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= (+ ~p2_new~0 1) 0) (<= 0 (+ ~p1_new~0 1)) (<= 0 ~p4~0) (<= 0 (+ ~p2_new~0 1)) (<= 0 (+ ~p4_new~0 1)) (<= ~id3~0 127) (<= (+ ~p4_new~0 1) 0) (<= ~p4~0 0) (<= ~p2~0 0) (<= (+ ~nomsg~0 1) 0) (<= ~p1~0 0) (<= (+ ~p1_new~0 1) 0) (<= 0 ~p1~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~id4~0 127))) [2019-09-06 11:51:18,745 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:51:18,746 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:51:18,749 INFO L168 Benchmark]: Toolchain (without parser) took 2702.54 ms. Allocated memory was 131.6 MB in the beginning and 218.6 MB in the end (delta: 87.0 MB). Free memory was 86.5 MB in the beginning and 77.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,751 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.91 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 86.3 MB in the beginning and 169.5 MB in the end (delta: -83.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,754 INFO L168 Benchmark]: Boogie Preprocessor took 58.65 ms. Allocated memory is still 197.1 MB. Free memory was 169.5 MB in the beginning and 167.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,755 INFO L168 Benchmark]: RCFGBuilder took 745.47 ms. Allocated memory is still 197.1 MB. Free memory was 166.8 MB in the beginning and 132.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,761 INFO L168 Benchmark]: Sifa took 1285.86 ms. Allocated memory was 197.1 MB in the beginning and 218.6 MB in the end (delta: 21.5 MB). Free memory was 132.4 MB in the beginning and 77.6 MB in the end (delta: 54.8 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:51:18,774 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 601.91 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 86.3 MB in the beginning and 169.5 MB in the end (delta: -83.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.65 ms. Allocated memory is still 197.1 MB. Free memory was 169.5 MB in the beginning and 167.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 745.47 ms. Allocated memory is still 197.1 MB. Free memory was 166.8 MB in the beginning and 132.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Sifa took 1285.86 ms. Allocated memory was 197.1 MB in the beginning and 218.6 MB in the end (delta: 21.5 MB). Free memory was 132.4 MB in the beginning and 77.6 MB in the end (delta: 54.8 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1243, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 182, TOOLS_POST_TIME[ms]: 284, TOOLS_POST_CALL_APPLICATIONS: 21, TOOLS_POST_CALL_TIME[ms]: 242, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_TIME[ms]: 447, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 263, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 40, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 179, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 391, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 390, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 779, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 331, DAG_COMPRESSION_RETAINED_NODES: 177 - UnprovableResult [Line: 397]: 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 304#(or (and (<= 1 assert_~arg) (<= assert_~arg 1) (<= 0 (+ ~p3_new~0 1)) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 1 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= (+ ~p2_new~0 1) 0) (<= 0 (+ ~p1_new~0 1)) (<= |assert_#in~arg| 1) (<= 0 ~p4~0) (<= 0 (+ ~p2_new~0 1)) (<= 0 (+ ~p4_new~0 1)) (<= ~id3~0 127) (<= (+ ~p4_new~0 1) 0) (<= ~p4~0 0) (<= ~p2~0 0) (<= (+ ~nomsg~0 1) 0) (<= ~p1~0 0) (<= (+ ~p1_new~0 1) 0) (<= 0 ~p1~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~id4~0 127)) (and (<= 0 (+ ~p3_new~0 1)) (<= |assert_#in~arg| 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 0 assert_~arg) (<= assert_~arg 0) (<= 0 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= (+ ~p2_new~0 1) 0) (<= 0 (+ ~p1_new~0 1)) (<= 0 ~p4~0) (<= 0 (+ ~p2_new~0 1)) (<= 0 (+ ~p4_new~0 1)) (<= ~id3~0 127) (<= (+ ~p4_new~0 1) 0) (<= ~p4~0 0) (<= ~p2~0 0) (<= (+ ~nomsg~0 1) 0) (<= ~p1~0 0) (<= (+ ~p1_new~0 1) 0) (<= 0 ~p1~0) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= 0 (+ ~id2~0 128)) (<= ~id4~0 127))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...