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-var-start-time.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:49:57,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:49:57,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:49:57,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:49:57,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:49:57,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:49:57,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:49:57,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:49:57,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:49:57,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:49:57,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:49:57,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:49:57,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:49:57,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:49:57,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:49:57,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:49:57,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:49:57,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:49:57,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:49:57,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:49:57,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:49:57,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:49:57,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:49:57,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:49:57,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:49:57,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:49:57,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:49:57,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:49:57,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:49:57,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:49:57,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:49:57,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:49:57,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:49:57,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:49:57,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:49:57,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:49:57,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:49:57,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:49:57,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:49:57,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:49:57,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:49:57,578 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 11:49:57,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:49:57,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:49:57,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:49:57,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:49:57,609 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:49:57,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:49:57,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:49:57,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:49:57,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:49:57,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:49:57,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:49:57,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:49:57,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:49:57,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:49:57,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:49:57,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:49:57,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:49:57,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:49:57,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:49:57,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:49:57,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:49:57,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:49:57,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:49:57,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:49:57,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:49:57,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:49:57,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:49:57,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:49:57,616 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 11:49:57,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:49:57,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:49:57,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:49:57,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:49:57,689 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:49:57,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c [2019-09-06 11:49:57,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c1768ff/cf4ab5c669344f8cba2a8a902965b3eb/FLAG25798e2a6 [2019-09-06 11:49:58,223 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:49:58,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c [2019-09-06 11:49:58,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c1768ff/cf4ab5c669344f8cba2a8a902965b3eb/FLAG25798e2a6 [2019-09-06 11:49:58,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c1768ff/cf4ab5c669344f8cba2a8a902965b3eb [2019-09-06 11:49:58,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:49:58,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:49:58,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:49:58,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:49:58,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:49:58,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:49:58" (1/1) ... [2019-09-06 11:49:58,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790e915c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:58, skipping insertion in model container [2019-09-06 11:49:58,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:49:58" (1/1) ... [2019-09-06 11:49:58,597 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:49:58,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:49:58,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:49:58,981 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:49:59,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:49:59,073 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:49:59,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59 WrapperNode [2019-09-06 11:49:59,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:49:59,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:49:59,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:49:59,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:49:59,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:49:59,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:49:59,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:49:59,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:49:59,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:49:59" (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 11:49:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-06 11:49:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:49:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:49:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:49:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:49:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:49:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:49:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:49:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:49:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:49:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:49:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:49:59,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:49:59,883 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:49:59,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:49:59 BoogieIcfgContainer [2019-09-06 11:49:59,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:49:59,885 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:49:59,885 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:49:59,886 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:49:59,887 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:49:59" (1/1) ... [2019-09-06 11:49:59,888 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 11:49:59,925 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:49:59,925 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:49:59,944 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:49:59,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:49:59,959 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:50:00,105 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 164 for LOIs [2019-09-06 11:50:01,447 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 73 for LOIs [2019-09-06 11:50:01,450 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:50:01,450 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:50:01,452 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 406#(or (and (<= 0 ~mode1~0) (<= 0 (+ ~p3_new~0 1)) (<= |assert_#in~arg| 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 0 assert_~arg) (<= ~mode2~0 1) (<= assert_~arg 0) (<= 0 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= (+ ~p2_new~0 1) 0) (<= 0 ~mode3~0) (<= 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) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= ~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)) (<= 0 ~mode4~0) (<= ~id4~0 127)) (and (<= 1 assert_~arg) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p3_new~0 1)) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= ~mode2~0 1) (<= 1 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= (+ ~p2_new~0 1) 0) (<= 0 ~mode3~0) (<= 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) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= ~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)) (<= 0 ~mode4~0) (<= ~id4~0 127))) [2019-09-06 11:50:01,468 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:50:01,468 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:50:01,471 INFO L168 Benchmark]: Toolchain (without parser) took 2886.30 ms. Allocated memory was 140.0 MB in the beginning and 262.1 MB in the end (delta: 122.2 MB). Free memory was 87.3 MB in the beginning and 166.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,472 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.92 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 172.1 MB in the end (delta: -85.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,474 INFO L168 Benchmark]: Boogie Preprocessor took 84.43 ms. Allocated memory is still 199.2 MB. Free memory was 172.1 MB in the beginning and 169.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,475 INFO L168 Benchmark]: RCFGBuilder took 725.67 ms. Allocated memory is still 199.2 MB. Free memory was 169.1 MB in the beginning and 128.2 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,476 INFO L168 Benchmark]: Sifa took 1583.45 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 128.2 MB in the beginning and 166.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:50:01,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 488.92 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 172.1 MB in the end (delta: -85.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.43 ms. Allocated memory is still 199.2 MB. Free memory was 172.1 MB in the beginning and 169.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 725.67 ms. Allocated memory is still 199.2 MB. Free memory was 169.1 MB in the beginning and 128.2 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Sifa took 1583.45 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 128.2 MB in the beginning and 166.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 24.6 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]: 1528, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 277, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 255, TOOLS_POST_TIME[ms]: 297, TOOLS_POST_CALL_APPLICATIONS: 21, TOOLS_POST_CALL_TIME[ms]: 196, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 414, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 279, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 101, DOMAIN_JOIN_TIME[ms]: 437, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 52, DOMAIN_ISBOTTOM_APPLICATIONS: 94, DOMAIN_ISBOTTOM_TIME[ms]: 278, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 650, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 649, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1058, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 424, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 439]: 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 406#(or (and (<= 0 ~mode1~0) (<= 0 (+ ~p3_new~0 1)) (<= |assert_#in~arg| 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= 0 assert_~arg) (<= ~mode2~0 1) (<= assert_~arg 0) (<= 0 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= (+ ~p2_new~0 1) 0) (<= 0 ~mode3~0) (<= 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) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= ~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)) (<= 0 ~mode4~0) (<= ~id4~0 127)) (and (<= 1 assert_~arg) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p3_new~0 1)) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= 0 ~p3~0) (<= 0 (+ ~id3~0 128)) (<= ~p3~0 0) (<= (+ ~p3_new~0 1) 0) (<= ~mode2~0 1) (<= 1 |assert_#in~arg|) (<= 0 ~p2~0) (<= ~id1~0 127) (<= ~id2~0 127) (<= ~mode3~0 1) (<= (+ ~p2_new~0 1) 0) (<= 0 ~mode3~0) (<= 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) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= ~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)) (<= 0 ~mode4~0) (<= ~id4~0 127))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...