java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:59:05,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:59:05,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:59:05,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:59:05,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:59:05,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:59:05,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:59:05,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:59:05,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:59:05,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:59:05,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:59:05,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:59:05,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:59:05,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:59:05,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:59:05,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:59:05,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:59:05,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:59:05,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:59:05,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:59:05,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:59:05,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:59:05,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:59:05,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:59:05,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:59:05,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:59:05,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:59:05,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:59:05,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:59:05,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:59:05,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:59:05,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:59:05,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:59:05,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:59:05,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:59:05,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:59:05,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:59:05,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:59:05,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:59:05,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:59:05,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:59:05,676 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 13:59:05,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:59:05,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:59:05,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:59:05,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:59:05,692 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:59:05,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:59:05,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:59:05,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:59:05,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:59:05,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:59:05,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:59:05,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:59:05,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:59:05,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:59:05,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:59:05,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:59:05,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:59:05,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:59:05,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:59:05,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:59:05,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:59:05,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:59:05,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:59:05,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:59:05,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:59:05,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:59:05,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:59:05,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:59:05,697 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 13:59:05,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:59:05,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:59:05,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:59:05,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:59:05,759 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:59:05,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 13:59:05,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba9c6d0d/cee8babbdfcb426984d32454f89720b7/FLAG8a469aeb3 [2019-09-06 13:59:06,378 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:59:06,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 13:59:06,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba9c6d0d/cee8babbdfcb426984d32454f89720b7/FLAG8a469aeb3 [2019-09-06 13:59:06,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba9c6d0d/cee8babbdfcb426984d32454f89720b7 [2019-09-06 13:59:06,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:59:06,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:59:06,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:59:06,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:59:06,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:59:06,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:59:06" (1/1) ... [2019-09-06 13:59:06,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450f3575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:06, skipping insertion in model container [2019-09-06 13:59:06,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:59:06" (1/1) ... [2019-09-06 13:59:06,673 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:59:06,735 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:59:07,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:59:07,295 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:59:07,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:59:07,470 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:59:07,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07 WrapperNode [2019-09-06 13:59:07,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:59:07,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:59:07,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:59:07,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:59:07,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (1/1) ... [2019-09-06 13:59:07,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:59:07,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:59:07,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:59:07,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:59:07,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:07" (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 13:59:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:59:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:59:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:59:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:59:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:59:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:59:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 13:59:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:59:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:59:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:59:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:59:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:59:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:59:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:59:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:59:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:59:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:59:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:59:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:59:08,847 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:59:08,847 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:59:08,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:59:08 BoogieIcfgContainer [2019-09-06 13:59:08,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:59:08,850 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:59:08,850 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:59:08,850 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:59:08,851 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:59:08" (1/1) ... [2019-09-06 13:59:08,852 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 13:59:08,898 INFO L162 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-09-06 13:59:08,903 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:59:08,926 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:59:08,941 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:59:08,942 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:59:09,095 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 204 for LOIs [2019-09-06 13:59:10,860 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 13:59:10,861 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 13:59:10,864 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 1119#(and (<= main_~__tmp_9~0 1) (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= 0 main_~check__tmp~8) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~8) (<= 0 ~__return_2082~0) (<= 0 (+ ~st3~0 1)) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= ~__return_2082~0 0) (<= 0 main_~main__c1~0)) [2019-09-06 13:59:10,865 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1113#(or (and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= 0 main_~check__tmp~9) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~2 1) (<= ~st2~0 1) (<= main_~check__tmp~9 0) (<= ~__return_2228~0 0) (<= 0 ~__return_2228~0) (<= main_~__tmp_3~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= 0 main_~__tmp_3~0) (<= 1 ~st3~0)) (and (<= ~mode3~0 1) (<= main_~check__tmp~2 1) (<= main_~assert__arg~2 1) (<= ~mode2~0 1) (<= 0 main_~check__tmp~2) (<= ~mode1~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 ~__return_1594~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= ~__return_1594~0 1) (<= 0 main_~__tmp_3~0))) [2019-09-06 13:59:10,866 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 1165#(and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_1893~0) (<= ~st3~0 1) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= ~__return_1893~0 0) (<= 0 (+ ~st2~0 1)) (<= main_~assert__arg~7 1) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 1 ~st3~0)) [2019-09-06 13:59:10,866 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 1098#(and (<= 0 (+ ~st1~0 1)) (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= ~__return_2162~0 0) (<= 0 ~__return_2162~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5)) [2019-09-06 13:59:10,867 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 1146#(and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= main_~assert__arg~6 1) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= 0 ~__return_1744~0) (<= main_~main__c1~0 0) (<= ~__return_1744~0 0) (<= main_~__tmp_7~0 1) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= 0 main_~check__tmp~6) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~6)) [2019-09-06 13:59:10,867 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 1085#(and (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= main_~check__tmp~3 0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_1827~0 0) (<= 0 ~__return_1827~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)) [2019-09-06 13:59:10,867 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 1064#(and (<= 0 ~__return_2004~0) (<= ~__return_2004~0 0) (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0)) [2019-09-06 13:59:10,893 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 13:59:10,894 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 13:59:10,897 INFO L168 Benchmark]: Toolchain (without parser) took 4239.14 ms. Allocated memory was 141.6 MB in the beginning and 259.0 MB in the end (delta: 117.4 MB). Free memory was 87.3 MB in the beginning and 88.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,898 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.96 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 87.1 MB in the beginning and 170.7 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,901 INFO L168 Benchmark]: Boogie Preprocessor took 116.24 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 167.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,902 INFO L168 Benchmark]: RCFGBuilder took 1261.30 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 84.8 MB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,907 INFO L168 Benchmark]: Sifa took 2044.15 ms. Allocated memory was 202.4 MB in the beginning and 259.0 MB in the end (delta: 56.6 MB). Free memory was 84.8 MB in the beginning and 88.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-09-06 13:59:10,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.96 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 87.1 MB in the beginning and 170.7 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.24 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 167.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.30 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 84.8 MB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * Sifa took 2044.15 ms. Allocated memory was 202.4 MB in the beginning and 259.0 MB in the end (delta: 56.6 MB). Free memory was 84.8 MB in the beginning and 88.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 52.4 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]: 1969, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 865, DAG_INTERPRETER_EARLY_EXITS: 36, TOOLS_POST_APPLICATIONS: 856, TOOLS_POST_TIME[ms]: 469, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 68, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 401, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 867, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 301, DOMAIN_JOIN_TIME[ms]: 234, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 1, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 309, DOMAIN_ISBOTTOM_TIME[ms]: 510, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 454, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 454, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 32, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 447, DAG_COMPRESSION_PROCESSED_NODES: 27708, DAG_COMPRESSION_RETAINED_NODES: 5899 - UnprovableResult [Line: 988]: 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 1119#(and (<= main_~__tmp_9~0 1) (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= 0 main_~check__tmp~8) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~8) (<= 0 ~__return_2082~0) (<= 0 (+ ~st3~0 1)) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= ~__return_2082~0 0) (<= 0 main_~main__c1~0)). Possible FailurePath: - UnprovableResult [Line: 376]: 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 1113#(or (and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= 0 main_~check__tmp~9) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~2 1) (<= ~st2~0 1) (<= main_~check__tmp~9 0) (<= ~__return_2228~0 0) (<= 0 ~__return_2228~0) (<= main_~__tmp_3~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= 0 main_~__tmp_3~0) (<= 1 ~st3~0)) (and (<= ~mode3~0 1) (<= main_~check__tmp~2 1) (<= main_~assert__arg~2 1) (<= ~mode2~0 1) (<= 0 main_~check__tmp~2) (<= ~mode1~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 ~__return_1594~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= ~__return_1594~0 1) (<= 0 main_~__tmp_3~0))). Possible FailurePath: - UnprovableResult [Line: 914]: 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 1165#(and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_1893~0) (<= ~st3~0 1) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= ~__return_1893~0 0) (<= 0 (+ ~st2~0 1)) (<= main_~assert__arg~7 1) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 752]: 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 1098#(and (<= 0 (+ ~st1~0 1)) (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= ~__return_2162~0 0) (<= 0 ~__return_2162~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5)). Possible FailurePath: - UnprovableResult [Line: 867]: 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 1146#(and (<= ~mode2~0 0) (<= 1 ~st1~0) (<= 0 ~mode1~0) (<= main_~assert__arg~6 1) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= ~st1~0 1) (<= 0 ~mode2~0) (<= 0 ~__return_1744~0) (<= main_~main__c1~0 0) (<= ~__return_1744~0 0) (<= main_~__tmp_7~0 1) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= 0 main_~check__tmp~6) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~6)). Possible FailurePath: - UnprovableResult [Line: 617]: 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 1085#(and (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= main_~check__tmp~3 0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_1827~0 0) (<= 0 ~__return_1827~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 705]: 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 1064#(and (<= 0 ~__return_2004~0) (<= ~__return_2004~0 0) (<= ~mode2~0 0) (<= 0 ~mode1~0) (<= ~mode1~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...