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.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:01:12,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:01:12,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:01:12,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:01:12,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:01:12,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:01:12,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:01:12,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:01:12,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:01:12,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:01:12,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:01:12,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:01:12,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:01:12,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:01:12,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:01:12,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:01:12,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:01:12,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:01:12,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:01:12,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:01:12,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:01:12,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:01:12,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:01:12,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:01:12,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:01:12,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:01:12,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:01:12,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:01:12,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:01:12,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:01:12,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:01:12,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:01:12,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:01:12,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:01:12,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:01:12,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:01:12,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:01:12,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:01:12,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:01:12,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:01:12,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:01:12,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 14:01:12,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:01:12,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:01:12,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:01:12,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:01:12,701 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:01:12,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:01:12,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:01:12,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:01:12,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:01:12,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:01:12,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:01:12,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:01:12,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:01:12,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:01:12,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:01:12,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:01:12,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:01:12,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:01:12,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:01:12,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:01:12,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:01:12,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:01:12,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:01:12,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:01:12,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:01:12,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:01:12,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:01:12,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:01:12,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 14:01:12,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:01:12,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:01:12,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:01:12,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:01:12,752 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:01:12,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-09-06 14:01:12,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe5dae31/92fb32af998042aa87d78961b1e2724e/FLAG1196c8b8b [2019-09-06 14:01:13,429 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:01:13,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-09-06 14:01:13,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe5dae31/92fb32af998042aa87d78961b1e2724e/FLAG1196c8b8b [2019-09-06 14:01:13,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe5dae31/92fb32af998042aa87d78961b1e2724e [2019-09-06 14:01:13,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:01:13,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:01:13,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:13,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:01:13,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:01:13,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:13" (1/1) ... [2019-09-06 14:01:13,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffd4eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:13, skipping insertion in model container [2019-09-06 14:01:13,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:13" (1/1) ... [2019-09-06 14:01:13,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:01:13,745 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:01:14,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:14,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:01:14,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:14,989 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:01:14,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14 WrapperNode [2019-09-06 14:01:14,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:14,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:01:14,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:01:14,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:01:15,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... [2019-09-06 14:01:15,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:01:15,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:01:15,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:01:15,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:01:15,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:01:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:01:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:01:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:01:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:01:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:01:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:01:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:01:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:01:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:01:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:01:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:01:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:01:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:01:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:01:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:01:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:01:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:01:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:01:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:01:17,763 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:01:17,764 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:01:17,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:17 BoogieIcfgContainer [2019-09-06 14:01:17,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:01:17,768 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:01:17,768 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:01:17,769 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:01:17,770 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:17" (1/1) ... [2019-09-06 14:01:17,771 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 14:01:17,822 INFO L162 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-09-06 14:01:17,829 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:01:17,852 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:01:17,864 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:01:17,866 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:01:18,125 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 497 for LOIs [2019-09-06 14:01:25,946 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:01:25,947 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:01:25,949 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 2179#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= main_~check__tmp~11 0) (<= 0 ~__return_2040~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~7) (<= ~st4~0 1) (<= 0 main_~__tmp_8~0) (<= 1 ~st4~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= ~__return_2040~0 0) (<= 0 main_~check__tmp~11) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)) [2019-09-06 14:01:25,949 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 2843#(or (and (<= 0 main_~assert__arg~13) (<= 0 main_~__tmp_14~0) (<= main_~assert__arg~13 1) (<= main_~__tmp_14~0 1)) (and (<= main_~main__c1~0 1) (<= 0 main_~assert__arg~13) (<= 0 main_~__tmp_14~0) (<= main_~assert__arg~13 1) (<= 0 main_~main__c1~0) (<= main_~__tmp_14~0 1))) [2019-09-06 14:01:25,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 2127#(and (<= ~mode4~0 0) (<= 0 main_~__tmp_10~0) (<= ~__return_1934~0 0) (<= main_~assert__arg~9 1) (<= 0 main_~check__tmp~13) (<= main_~__tmp_10~0 1) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~mode4~0) (<= 0 ~__return_1934~0) (<= 0 main_~assert__arg~9) (<= main_~check__tmp~13 0)) [2019-09-06 14:01:25,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 2073#(and (<= 0 main_~__tmp_20~0) (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~23) (<= main_~assert__arg~19 1) (<= 0 main_~assert__arg~19) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~__return_1392~0 0) (<= ~mode3~0 0) (<= main_~__tmp_20~0 1) (<= 0 ~__return_1392~0) (<= 0 main_~main__c1~0) (<= main_~check__tmp~23 0) (<= 0 ~mode4~0) (<= 1 ~st3~0)) [2019-09-06 14:01:25,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 1819#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_1607~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~19) (<= ~st4~0 1) (<= 0 main_~__tmp_16~0) (<= main_~__tmp_16~0 1) (<= 1 ~st4~0) (<= main_~check__tmp~19 0) (<= ~mode4~0 0) (<= 0 main_~assert__arg~15) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~assert__arg~15 1) (<= 1 ~st3~0) (<= ~__return_1607~0 0)) [2019-09-06 14:01:25,950 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 2170#(and (<= main_~assert__arg~23 1) (<= ~__return_1188~0 0) (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~check__tmp~27 0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1188~0) (<= 0 main_~assert__arg~23) (<= ~st4~0 1) (<= 1 ~st4~0) (<= main_~__tmp_24~0 1) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= 0 main_~__tmp_24~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~27)) [2019-09-06 14:01:25,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 2150#(and (<= 0 ~mode3~0) (<= ~__return_1096~0 0) (<= main_~main__c1~0 0) (<= main_~__tmp_26~0 1) (<= 0 main_~check__tmp~29) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= main_~check__tmp~29 0) (<= 0 main_~main__c1~0) (<= main_~assert__arg~25 1) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~25) (<= 0 ~__return_1096~0) (<= 0 main_~__tmp_26~0)) [2019-09-06 14:01:25,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2115#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~mode4~0 0) (<= 0 ~__return_2264~0) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= ~__return_2264~0 0) (<= 0 main_~check__tmp~7) (<= 0 ~mode4~0) (<= 1 ~st3~0)) [2019-09-06 14:01:25,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 2159#(and (<= 0 main_~check__tmp~25) (<= 0 ~mode3~0) (<= main_~assert__arg~21 1) (<= 0 ~__return_1294~0) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= 0 main_~__tmp_22~0) (<= 0 main_~assert__arg~21) (<= ~mode3~0 0) (<= main_~__tmp_22~0 1) (<= main_~check__tmp~25 0) (<= 0 main_~main__c1~0) (<= ~__return_1294~0 0) (<= 0 ~mode4~0)) [2019-09-06 14:01:25,951 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 299#(or (and (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~check__tmp~21) (<= ~__return_1498~0 0) (<= main_~main__c1~0 0) (<= main_~check__tmp~21 0) (<= ~mode4~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= main_~__tmp_18~0 1) (<= 0 ~__return_1498~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 main_~assert__arg~17)) (and (<= ~mode4~0 0) (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= 0 main_~check__tmp~21) (<= ~__return_1498~0 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= main_~__tmp_18~0 1) (<= 0 ~__return_1498~0) (<= 0 ~mode4~0) (<= main_~check__tmp~21 0) (<= 0 main_~assert__arg~17))) [2019-09-06 14:01:25,952 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 2858#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= main_~__tmp_12~0 1) (<= 0 ~mode2~0) (<= 0 main_~__tmp_12~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~15) (<= ~st2~0 1) (<= main_~assert__arg~11 1) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= 0 main_~assert__arg~11) (<= ~__return_1828~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 ~__return_1828~0) (<= main_~check__tmp~15 0)) [2019-09-06 14:01:25,974 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:01:25,974 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:01:25,977 INFO L168 Benchmark]: Toolchain (without parser) took 12354.58 ms. Allocated memory was 133.2 MB in the beginning and 945.3 MB in the end (delta: 812.1 MB). Free memory was 85.0 MB in the beginning and 617.1 MB in the end (delta: -532.1 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,979 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1365.17 ms. Allocated memory was 133.2 MB in the beginning and 207.1 MB in the end (delta: 73.9 MB). Free memory was 84.8 MB in the beginning and 151.0 MB in the end (delta: -66.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,980 INFO L168 Benchmark]: Boogie Preprocessor took 280.05 ms. Allocated memory is still 207.1 MB. Free memory was 151.0 MB in the beginning and 144.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,981 INFO L168 Benchmark]: RCFGBuilder took 2496.22 ms. Allocated memory was 207.1 MB in the beginning and 281.5 MB in the end (delta: 74.4 MB). Free memory was 144.0 MB in the beginning and 105.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,982 INFO L168 Benchmark]: Sifa took 8206.53 ms. Allocated memory was 281.5 MB in the beginning and 945.3 MB in the end (delta: 663.7 MB). Free memory was 105.4 MB in the beginning and 617.1 MB in the end (delta: -511.7 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:25,986 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 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1365.17 ms. Allocated memory was 133.2 MB in the beginning and 207.1 MB in the end (delta: 73.9 MB). Free memory was 84.8 MB in the beginning and 151.0 MB in the end (delta: -66.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 280.05 ms. Allocated memory is still 207.1 MB. Free memory was 151.0 MB in the beginning and 144.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2496.22 ms. Allocated memory was 207.1 MB in the beginning and 281.5 MB in the end (delta: 74.4 MB). Free memory was 144.0 MB in the beginning and 105.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. * Sifa took 8206.53 ms. Allocated memory was 281.5 MB in the beginning and 945.3 MB in the end (delta: 663.7 MB). Free memory was 105.4 MB in the beginning and 617.1 MB in the end (delta: -511.7 MB). Peak memory consumption was 152.1 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]: 8130, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2205, DAG_INTERPRETER_EARLY_EXITS: 44, TOOLS_POST_APPLICATIONS: 2196, TOOLS_POST_TIME[ms]: 2130, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 108, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 1808, FLUID_QUERY_TIME[ms]: 40, FLUID_QUERIES: 2206, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 655, DOMAIN_JOIN_TIME[ms]: 281, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 482, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 581, DOMAIN_ISBOTTOM_TIME[ms]: 1406, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 358, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 357, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 170, REGEX_TO_DAG_TIME[ms]: 59, DAG_COMPRESSION_TIME[ms]: 2856, DAG_COMPRESSION_PROCESSED_NODES: 221044, DAG_COMPRESSION_RETAINED_NODES: 66938 - UnprovableResult [Line: 1771]: 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 2179#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= main_~check__tmp~11 0) (<= 0 ~__return_2040~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~7) (<= ~st4~0 1) (<= 0 main_~__tmp_8~0) (<= 1 ~st4~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= ~__return_2040~0 0) (<= 0 main_~check__tmp~11) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 2585]: 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 2843#(or (and (<= 0 main_~assert__arg~13) (<= 0 main_~__tmp_14~0) (<= main_~assert__arg~13 1) (<= main_~__tmp_14~0 1)) (and (<= main_~main__c1~0 1) (<= 0 main_~assert__arg~13) (<= 0 main_~__tmp_14~0) (<= main_~assert__arg~13 1) (<= 0 main_~main__c1~0) (<= main_~__tmp_14~0 1))). Possible FailurePath: - UnprovableResult [Line: 2035]: 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 2127#(and (<= ~mode4~0 0) (<= 0 main_~__tmp_10~0) (<= ~__return_1934~0 0) (<= main_~assert__arg~9 1) (<= 0 main_~check__tmp~13) (<= main_~__tmp_10~0 1) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~mode4~0) (<= 0 ~__return_1934~0) (<= 0 main_~assert__arg~9) (<= main_~check__tmp~13 0)). Possible FailurePath: - UnprovableResult [Line: 3360]: 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 2073#(and (<= 0 main_~__tmp_20~0) (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~23) (<= main_~assert__arg~19 1) (<= 0 main_~assert__arg~19) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~__return_1392~0 0) (<= ~mode3~0 0) (<= main_~__tmp_20~0 1) (<= 0 ~__return_1392~0) (<= 0 main_~main__c1~0) (<= main_~check__tmp~23 0) (<= 0 ~mode4~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 2845]: 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 1819#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_1607~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~19) (<= ~st4~0 1) (<= 0 main_~__tmp_16~0) (<= main_~__tmp_16~0 1) (<= 1 ~st4~0) (<= main_~check__tmp~19 0) (<= ~mode4~0 0) (<= 0 main_~assert__arg~15) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~assert__arg~15 1) (<= 1 ~st3~0) (<= ~__return_1607~0 0)). Possible FailurePath: - UnprovableResult [Line: 3890]: 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 2170#(and (<= main_~assert__arg~23 1) (<= ~__return_1188~0 0) (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~check__tmp~27 0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1188~0) (<= 0 main_~assert__arg~23) (<= ~st4~0 1) (<= 1 ~st4~0) (<= main_~__tmp_24~0 1) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= 0 main_~__tmp_24~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~27)). Possible FailurePath: - UnprovableResult [Line: 4150]: 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 2150#(and (<= 0 ~mode3~0) (<= ~__return_1096~0 0) (<= main_~main__c1~0 0) (<= main_~__tmp_26~0 1) (<= 0 main_~check__tmp~29) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= main_~check__tmp~29 0) (<= 0 main_~main__c1~0) (<= main_~assert__arg~25 1) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~25) (<= 0 ~__return_1096~0) (<= 0 main_~__tmp_26~0)). Possible FailurePath: - UnprovableResult [Line: 1238]: 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 2115#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~mode4~0 0) (<= 0 ~__return_2264~0) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= ~__return_2264~0 0) (<= 0 main_~check__tmp~7) (<= 0 ~mode4~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 3635]: 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 2159#(and (<= 0 main_~check__tmp~25) (<= 0 ~mode3~0) (<= main_~assert__arg~21 1) (<= 0 ~__return_1294~0) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= 0 main_~__tmp_22~0) (<= 0 main_~assert__arg~21) (<= ~mode3~0 0) (<= main_~__tmp_22~0 1) (<= main_~check__tmp~25 0) (<= 0 main_~main__c1~0) (<= ~__return_1294~0 0) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 3110]: 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 299#(or (and (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~check__tmp~21) (<= ~__return_1498~0 0) (<= main_~main__c1~0 0) (<= main_~check__tmp~21 0) (<= ~mode4~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= main_~__tmp_18~0 1) (<= 0 ~__return_1498~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 main_~assert__arg~17)) (and (<= ~mode4~0 0) (<= 0 main_~__tmp_18~0) (<= main_~assert__arg~17 1) (<= 0 main_~check__tmp~21) (<= ~__return_1498~0 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= main_~__tmp_18~0 1) (<= 0 ~__return_1498~0) (<= 0 ~mode4~0) (<= main_~check__tmp~21 0) (<= 0 main_~assert__arg~17))). Possible FailurePath: - UnprovableResult [Line: 2284]: 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 2858#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= main_~__tmp_12~0 1) (<= 0 ~mode2~0) (<= 0 main_~__tmp_12~0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~15) (<= ~st2~0 1) (<= main_~assert__arg~11 1) (<= ~mode4~0 0) (<= ~r1~0 4) (<= ~mode3~0 0) (<= 0 main_~assert__arg~11) (<= ~__return_1828~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 ~__return_1828~0) (<= main_~check__tmp~15 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...