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.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:01:36,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:01:36,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:01:36,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:01:36,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:01:36,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:01:36,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:01:36,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:01:36,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:01:36,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:01:36,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:01:36,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:01:36,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:01:36,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:01:36,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:01:36,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:01:36,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:01:36,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:01:36,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:01:36,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:01:36,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:01:36,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:01:36,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:01:36,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:01:36,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:01:36,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:01:36,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:01:36,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:01:36,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:01:36,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:01:36,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:01:36,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:01:36,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:01:36,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:01:36,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:01:36,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:01:36,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:01:36,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:01:36,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:01:36,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:01:36,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:01:36,988 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 14:01:37,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:01:37,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:01:37,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:01:37,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:01:37,004 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:01:37,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:01:37,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:01:37,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:01:37,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:01:37,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:01:37,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:01:37,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:01:37,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:01:37,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:01:37,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:01:37,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:01:37,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:01:37,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:01:37,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:01:37,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:01:37,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:01:37,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:01:37,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:01:37,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:01:37,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:01:37,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:01:37,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:01:37,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:01:37,009 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 14:01:37,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:01:37,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:01:37,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:01:37,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:01:37,056 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:01:37,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 14:01:37,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81258e02/10a93c2063594e398f99c8cc6365866d/FLAGc21939e96 [2019-09-06 14:01:37,796 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:01:37,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 14:01:37,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81258e02/10a93c2063594e398f99c8cc6365866d/FLAGc21939e96 [2019-09-06 14:01:38,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81258e02/10a93c2063594e398f99c8cc6365866d [2019-09-06 14:01:38,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:01:38,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:01:38,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:38,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:01:38,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:01:38,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:38" (1/1) ... [2019-09-06 14:01:38,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba085a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:38, skipping insertion in model container [2019-09-06 14:01:38,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:01:38" (1/1) ... [2019-09-06 14:01:38,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:01:38,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:01:38,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:38,806 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:01:39,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:01:39,219 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:01:39,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39 WrapperNode [2019-09-06 14:01:39,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:01:39,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:01:39,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:01:39,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:01:39,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (1/1) ... [2019-09-06 14:01:39,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:01:39,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:01:39,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:01:39,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:01:39,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:01:39" (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 14:01:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:01:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:01:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:01:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:01:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:01:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:01:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:01:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:01:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:01:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:01:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:01:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:01:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:01:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:01:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:01:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:01:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:01:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:01:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:01:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:01:41,152 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:01:41,153 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:01:41,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:41 BoogieIcfgContainer [2019-09-06 14:01:41,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:01:41,155 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:01:41,155 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:01:41,156 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:01:41,157 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:01:41" (1/1) ... [2019-09-06 14:01:41,157 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 14:01:41,201 INFO L162 IcfgInterpreter]: Started Sifa with 11 locations of interest [2019-09-06 14:01:41,202 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:01:41,222 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:01:41,234 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:01:41,235 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:01:41,375 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 312 for LOIs [2019-09-06 14:01:45,434 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:01:45,434 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:01:45,441 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 1996#(and (<= 0 main_~check__tmp~10) (<= 0 ~mode3~0) (<= main_~assert__arg~9 1) (<= main_~__tmp_10~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= 0 ~__return_3327~0) (<= 0 main_~assert__arg~9) (<= ~mode4~0 0) (<= 0 main_~__tmp_10~0) (<= ~mode3~0 0) (<= ~__return_3327~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)) [2019-09-06 14:01:45,442 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 2194#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~__return_4150~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~7) (<= ~st4~0 1) (<= 0 main_~__tmp_8~0) (<= 0 ~__return_4150~0) (<= 1 ~st4~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 0 ~mode4~0)) [2019-09-06 14:01:45,442 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1835#(and (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= main_~assert__arg~2 1) (<= 0 main_~__tmp_3~0)) [2019-09-06 14:01:45,443 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 1949#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= ~__return_3599~0 0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~mode4~0 0) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 ~__return_3599~0)) [2019-09-06 14:01:45,443 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 1913#(and (<= ~mode2~0 0) (<= main_~assert__arg~6 1) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~__tmp_7~0 1) (<= ~mode4~0 0) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= ~__return_3972~0 0) (<= 0 main_~check__tmp~6) (<= 0 ~__return_3972~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~6)) [2019-09-06 14:01:45,447 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 2160#(and (<= ~__return_3681~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_12~0 1) (<= ~st3~0 1) (<= 0 main_~__tmp_12~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~11 1) (<= ~mode4~0 0) (<= 0 main_~check__tmp~12) (<= ~mode3~0 0) (<= 0 main_~assert__arg~11) (<= main_~check__tmp~12 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 ~__return_3681~0) (<= 1 ~st3~0)) [2019-09-06 14:01:45,448 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 2126#(and (<= ~mode4~0 0) (<= main_~check__tmp~14 0) (<= 0 main_~__tmp_13~0) (<= 0 main_~assert__arg~12) (<= main_~assert__arg~12 1) (<= ~__return_4066~0 0) (<= 0 main_~check__tmp~14) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~mode4~0) (<= main_~__tmp_13~0 1) (<= 0 ~__return_4066~0)) [2019-09-06 14:01:45,449 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 1877#(and (<= ~mode2~0 0) (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= ~__return_3414~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~3) (<= 0 ~__return_3414~0)) [2019-09-06 14:01:45,450 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 2092#(and (<= 0 ~mode3~0) (<= main_~check__tmp~11 0) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~__return_3484~0 0) (<= ~mode4~0 0) (<= 0 ~__return_3484~0) (<= 0 main_~check__tmp~11) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~__tmp_11~0 1) (<= main_~assert__arg~10 1) (<= 0 main_~__tmp_11~0) (<= 0 main_~assert__arg~10)) [2019-09-06 14:01:45,450 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 2064#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_3767~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5) (<= ~__return_3767~0 0)) [2019-09-06 14:01:45,451 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 2030#(and (<= main_~__tmp_9~0 1) (<= ~mode2~0 0) (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~8) (<= ~__return_4324~0 0) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= ~mode4~0 0) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 ~__return_4324~0)) [2019-09-06 14:01:45,521 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:01:45,521 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:01:45,525 INFO L168 Benchmark]: Toolchain (without parser) took 7477.64 ms. Allocated memory was 133.7 MB in the beginning and 405.8 MB in the end (delta: 272.1 MB). Free memory was 86.2 MB in the beginning and 107.4 MB in the end (delta: -21.2 MB). Peak memory consumption was 250.9 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,529 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1173.06 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 150.3 MB in the end (delta: -64.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,532 INFO L168 Benchmark]: Boogie Preprocessor took 144.60 ms. Allocated memory is still 200.8 MB. Free memory was 150.3 MB in the beginning and 145.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,534 INFO L168 Benchmark]: RCFGBuilder took 1789.95 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 145.1 MB in the beginning and 113.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,538 INFO L168 Benchmark]: Sifa took 4366.13 ms. Allocated memory was 227.0 MB in the beginning and 405.8 MB in the end (delta: 178.8 MB). Free memory was 113.2 MB in the beginning and 107.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 184.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:01:45,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1173.06 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 150.3 MB in the end (delta: -64.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.60 ms. Allocated memory is still 200.8 MB. Free memory was 150.3 MB in the beginning and 145.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1789.95 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 145.1 MB in the beginning and 113.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * Sifa took 4366.13 ms. Allocated memory was 227.0 MB in the beginning and 405.8 MB in the end (delta: 178.8 MB). Free memory was 113.2 MB in the beginning and 107.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 184.5 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]: 4250, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1653, DAG_INTERPRETER_EARLY_EXITS: 17, TOOLS_POST_APPLICATIONS: 1647, TOOLS_POST_TIME[ms]: 1538, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 57, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 1205, FLUID_QUERY_TIME[ms]: 57, FLUID_QUERIES: 1655, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 540, DOMAIN_JOIN_TIME[ms]: 235, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 371, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 439, DOMAIN_ISBOTTOM_TIME[ms]: 1073, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 638, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 637, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 36, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 70, REGEX_TO_DAG_TIME[ms]: 18, DAG_COMPRESSION_TIME[ms]: 619, DAG_COMPRESSION_PROCESSED_NODES: 32091, DAG_COMPRESSION_RETAINED_NODES: 3306 - UnprovableResult [Line: 1321]: 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 1996#(and (<= 0 main_~check__tmp~10) (<= 0 ~mode3~0) (<= main_~assert__arg~9 1) (<= main_~__tmp_10~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= 0 ~__return_3327~0) (<= 0 main_~assert__arg~9) (<= ~mode4~0 0) (<= 0 main_~__tmp_10~0) (<= ~mode3~0 0) (<= ~__return_3327~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 1066]: 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 2194#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~__return_4150~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~7) (<= ~st4~0 1) (<= 0 main_~__tmp_8~0) (<= 0 ~__return_4150~0) (<= 1 ~st4~0) (<= main_~assert__arg~7 1) (<= ~mode4~0 0) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 0 ~mode4~0)). Possible FailurePath: - UnprovableResult [Line: 473]: 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 1835#(and (<= main_~main__c1~0 1) (<= main_~__tmp_3~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~2) (<= main_~assert__arg~2 1) (<= 0 main_~__tmp_3~0)). Possible FailurePath: - UnprovableResult [Line: 851]: 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 1949#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= ~__return_3599~0 0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~mode4~0 0) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 ~__return_3599~0)). Possible FailurePath: - UnprovableResult [Line: 1017]: 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 1913#(and (<= ~mode2~0 0) (<= main_~assert__arg~6 1) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= main_~__tmp_7~0 1) (<= ~mode4~0 0) (<= main_~check__tmp~6 0) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= ~__return_3972~0 0) (<= 0 main_~check__tmp~6) (<= 0 ~__return_3972~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~assert__arg~6)). Possible FailurePath: - UnprovableResult [Line: 1446]: 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 2160#(and (<= ~__return_3681~0 0) (<= 0 ~mode3~0) (<= main_~__tmp_12~0 1) (<= ~st3~0 1) (<= 0 main_~__tmp_12~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~11 1) (<= ~mode4~0 0) (<= 0 main_~check__tmp~12) (<= ~mode3~0 0) (<= 0 main_~assert__arg~11) (<= main_~check__tmp~12 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 ~__return_3681~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1584]: 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 2126#(and (<= ~mode4~0 0) (<= main_~check__tmp~14 0) (<= 0 main_~__tmp_13~0) (<= 0 main_~assert__arg~12) (<= main_~assert__arg~12 1) (<= ~__return_4066~0 0) (<= 0 main_~check__tmp~14) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~mode4~0) (<= main_~__tmp_13~0 1) (<= 0 ~__return_4066~0)). Possible FailurePath: - UnprovableResult [Line: 761]: 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 1877#(and (<= ~mode2~0 0) (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= ~__return_3414~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~mode4~0) (<= 0 main_~check__tmp~3) (<= 0 ~__return_3414~0)). Possible FailurePath: - UnprovableResult [Line: 1370]: 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 2092#(and (<= 0 ~mode3~0) (<= main_~check__tmp~11 0) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= 1 ~st4~0) (<= ~__return_3484~0 0) (<= ~mode4~0 0) (<= 0 ~__return_3484~0) (<= 0 main_~check__tmp~11) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= main_~__tmp_11~0 1) (<= main_~assert__arg~10 1) (<= 0 main_~__tmp_11~0) (<= 0 main_~assert__arg~10)). Possible FailurePath: - UnprovableResult [Line: 900]: 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 2064#(and (<= ~mode2~0 0) (<= 0 ~mode3~0) (<= 0 ~__return_3767~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= ~st4~0 1) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= 1 ~st4~0) (<= ~mode4~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5) (<= ~__return_3767~0 0)). Possible FailurePath: - UnprovableResult [Line: 1142]: 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 2030#(and (<= main_~__tmp_9~0 1) (<= ~mode2~0 0) (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= 1 ~st2~0) (<= ~st3~0 1) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~st2~0 1) (<= 0 main_~assert__arg~8) (<= ~__return_4324~0 0) (<= main_~assert__arg~8 1) (<= 0 main_~__tmp_9~0) (<= ~mode4~0 0) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 1 ~st3~0) (<= 0 ~__return_4324~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...