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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:42:40,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:42:40,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:42:40,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 01:42:40,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 01:42:40,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 01:42:40,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 01:42:40,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 01:42:40,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 01:42:40,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 01:42:40,848 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 01:42:40,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 01:42:40,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:42:40,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:42:40,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:42:40,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:42:40,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:42:40,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:42:40,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:42:40,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:42:40,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:42:40,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:42:40,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:42:40,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:42:40,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 01:42:40,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 01:42:40,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 01:42:40,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 01:42:40,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 01:42:40,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 01:42:40,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 01:42:40,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 01:42:40,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 01:42:40,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 01:42:40,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 01:42:40,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 01:42:40,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 01:42:40,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 01:42:40,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:42:40,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:42:40,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:42:40,884 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 [2019-08-22 01:42:40,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:42:40,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:42:40,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:42:40,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:42:40,918 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:42:40,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:42:40,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:42:40,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:42:40,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:42:40,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:42:40,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:42:40,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:42:40,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:42:40,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:42:40,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:42:40,921 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:42:40,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:42:40,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:42:40,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:42:40,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:42:40,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:42:40,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:42:40,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:42:40,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:42:40,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:42:40,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:42:40,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:42:40,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:42:40,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:42:40,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:42:40,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:42:41,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:42:41,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:42:41,002 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:42:41,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-22 01:42:41,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b8177ea/048de4fce8834bd59b4603ba87ed6788/FLAGfdcd4a81d [2019-08-22 01:42:41,589 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:42:41,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-22 01:42:41,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b8177ea/048de4fce8834bd59b4603ba87ed6788/FLAGfdcd4a81d [2019-08-22 01:42:41,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b8177ea/048de4fce8834bd59b4603ba87ed6788 [2019-08-22 01:42:41,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:42:41,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:42:41,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:42:41,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:42:41,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:42:41,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:42:41" (1/1) ... [2019-08-22 01:42:41,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3e9462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:41, skipping insertion in model container [2019-08-22 01:42:41,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:42:41" (1/1) ... [2019-08-22 01:42:41,968 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:42:42,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:42:42,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:42:42,510 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:42:42,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:42:42,662 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:42:42,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42 WrapperNode [2019-08-22 01:42:42,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:42:42,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:42:42,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:42:42,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:42:42,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (1/1) ... [2019-08-22 01:42:42,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:42:42,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:42:42,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:42:42,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:42:42,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:42" (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 [2019-08-22 01:42:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:42:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:42:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:42:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:42:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:42:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:42:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:42:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:42:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:42:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:42:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:42:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:42:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:42:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:42:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:42:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:42:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:42:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:42:44,077 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:42:44,077 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 01:42:44,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:42:44 BoogieIcfgContainer [2019-08-22 01:42:44,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:42:44,081 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:42:44,081 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:42:44,081 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:42:44,083 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:42:44" (1/1) ... [2019-08-22 01:42:44,096 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:42:44,099 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:42:44,109 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:42:44,118 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:42:44,120 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:42:44,245 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:42:44,250 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:42:44,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 01:42:44,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:42:44,528 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-22 01:42:44,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:42:44,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:44,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:44,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:44,558 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 01:42:44,559 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:42:44,818 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-22 01:42:44,818 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:42:44,819 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:42:44,820 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:184, output treesize:190 [2019-08-22 01:42:44,910 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 253 [2019-08-22 01:42:49,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:52,310 WARN L188 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 331 DAG size of output: 304 [2019-08-22 01:42:52,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:52,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:53,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:55,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:42:59,032 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 331 DAG size of output: 304 [2019-08-22 01:42:59,078 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 01:42:59,078 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 01:42:59,081 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 6813#(or (and (<= 0 main_~check__tmp~2) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= main_~check__tmp~2 1) (<= 0 ~__return_1487~0) (<= ~__return_1487~0 1) (<= 0 main_~main__c1~0)) (and (<= ~__return_1378~0 0) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= ~r1~0 2) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1378~0) (<= 0 main_~check__tmp~1))) [2019-08-22 01:42:59,100 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 01:42:59,100 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 01:42:59,102 INFO L168 Benchmark]: Toolchain (without parser) took 17151.69 ms. Allocated memory was 138.9 MB in the beginning and 979.4 MB in the end (delta: 840.4 MB). Free memory was 85.3 MB in the beginning and 817.7 MB in the end (delta: -732.4 MB). Peak memory consumption was 823.2 MB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,103 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.60 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 168.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,111 INFO L168 Benchmark]: Boogie Preprocessor took 95.19 ms. Allocated memory is still 198.7 MB. Free memory was 168.3 MB in the beginning and 165.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,112 INFO L168 Benchmark]: RCFGBuilder took 1321.62 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 79.7 MB in the end (delta: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,114 INFO L168 Benchmark]: Symbolic Interpretation took 15019.73 ms. Allocated memory was 198.7 MB in the beginning and 979.4 MB in the end (delta: 780.7 MB). Free memory was 79.7 MB in the beginning and 817.7 MB in the end (delta: -738.0 MB). Peak memory consumption was 757.9 MB. Max. memory is 7.1 GB. [2019-08-22 01:42:59,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 527]: 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 6813#(or (and (<= 0 main_~check__tmp~2) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= main_~check__tmp~2 1) (<= 0 ~__return_1487~0) (<= ~__return_1487~0 1) (<= 0 main_~main__c1~0)) (and (<= ~__return_1378~0 0) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= ~r1~0 2) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1378~0) (<= 0 main_~check__tmp~1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.60 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 168.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.19 ms. Allocated memory is still 198.7 MB. Free memory was 168.3 MB in the beginning and 165.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1321.62 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 79.7 MB in the end (delta: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15019.73 ms. Allocated memory was 198.7 MB in the beginning and 979.4 MB in the end (delta: 780.7 MB). Free memory was 79.7 MB in the beginning and 817.7 MB in the end (delta: -738.0 MB). Peak memory consumption was 757.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...