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/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:57:54,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:57:54,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:57:54,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:57:54,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:57:54,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:57:54,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:57:54,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:57:54,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:57:54,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:57:54,777 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:57:54,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:57:54,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:57:54,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:57:54,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:57:54,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:57:54,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:57:54,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:57:54,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:57:54,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:57:54,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:57:54,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:57:54,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:57:54,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:57:54,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:57:54,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:57:54,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:57:54,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:57:54,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:57:54,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:57:54,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:57:54,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:57:54,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:57:54,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:57:54,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:57:54,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:57:54,801 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 21:57:54,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:57:54,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:57:54,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:57:54,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:57:54,816 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:57:54,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:57:54,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:57:54,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:57:54,818 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:57:54,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:57:54,818 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:57:54,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:57:54,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:57:54,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:57:54,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:57:54,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:57:54,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:57:54,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:57:54,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:57:54,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:57:54,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:57:54,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:57:54,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:57:54,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:57:54,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:57:54,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:57:54,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:57:54,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:57:54,868 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:57:54,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-08-22 21:57:54,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e25201f/73dd2379f9504d5392875ba1c8dc7b08/FLAG08cba5f98 [2019-08-22 21:57:55,385 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:57:55,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-08-22 21:57:55,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e25201f/73dd2379f9504d5392875ba1c8dc7b08/FLAG08cba5f98 [2019-08-22 21:57:55,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e25201f/73dd2379f9504d5392875ba1c8dc7b08 [2019-08-22 21:57:55,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:57:55,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:57:55,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:55,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:57:55,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:57:55,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:55" (1/1) ... [2019-08-22 21:57:55,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd0846f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:55, skipping insertion in model container [2019-08-22 21:57:55,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:55" (1/1) ... [2019-08-22 21:57:55,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:57:55,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:57:55,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:55,994 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:57:56,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:56,155 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:57:56,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56 WrapperNode [2019-08-22 21:57:56,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:56,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:57:56,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:57:56,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:57:56,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:57:56,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:57:56,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:57:56,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:57:56,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56" (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 21:57:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:57:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:57:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:57:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-08-22 21:57:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:57:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-08-22 21:57:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:57:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:57:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:57:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:57:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:57:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:57:56,726 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:57:56,726 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-22 21:57:56,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:56 BoogieIcfgContainer [2019-08-22 21:57:56,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:57:56,728 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:57:56,728 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:57:56,729 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:57:56,730 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,744 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:57:56,746 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:57:56,753 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:57:56,762 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:57:56,763 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:57:56,841 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_20|]} [2019-08-22 21:57:56,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:56,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:56,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:56,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 21:57:56,902 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:56,998 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,076 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:57:57,076 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 42 [2019-08-22 21:57:57,078 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,203 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-08-22 21:57:57,204 INFO L567 ElimStorePlain]: treesize reduction 12, result has 86.8 percent of original size [2019-08-22 21:57:57,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:57,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 19 [2019-08-22 21:57:57,223 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,297 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:112, output treesize:82 [2019-08-22 21:57:57,323 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 65 [2019-08-22 21:57:57,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-08-22 21:57:57,527 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,539 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,540 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,540 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-22 21:57:57,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2019-08-22 21:57:57,557 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,563 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,564 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,564 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2019-08-22 21:57:57,571 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2019-08-22 21:57:57,571 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,581 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2019-08-22 21:57:57,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,592 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-08-22 21:57:57,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:57,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:57,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-22 21:57:57,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:57,619 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 21:57:57,620 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:57:57,620 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:57:57,622 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 156#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:57:57,631 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:57:57,631 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:57:57,633 INFO L168 Benchmark]: Toolchain (without parser) took 1908.81 ms. Allocated memory was 141.6 MB in the beginning and 228.1 MB in the end (delta: 86.5 MB). Free memory was 88.9 MB in the beginning and 187.7 MB in the end (delta: -98.8 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:57,634 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:57:57,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.86 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 88.5 MB in the beginning and 177.4 MB in the end (delta: -89.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:57,636 INFO L168 Benchmark]: Boogie Preprocessor took 64.33 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 174.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:57,636 INFO L168 Benchmark]: RCFGBuilder took 507.02 ms. Allocated memory is still 201.3 MB. Free memory was 174.9 MB in the beginning and 148.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:57,637 INFO L168 Benchmark]: Symbolic Interpretation took 903.24 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 147.7 MB in the beginning and 187.7 MB in the end (delta: -40.0 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:57,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 156#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 430.86 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 88.5 MB in the beginning and 177.4 MB in the end (delta: -89.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.33 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 174.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 507.02 ms. Allocated memory is still 201.3 MB. Free memory was 174.9 MB in the beginning and 148.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 903.24 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 147.7 MB in the beginning and 187.7 MB in the end (delta: -40.0 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...