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/matrix-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:19:35,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:19:35,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:19:35,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:19:35,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:19:35,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:19:35,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:19:35,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:19:35,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:19:35,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:19:35,156 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:19:35,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:19:35,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:19:35,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:19:35,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:19:35,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:19:35,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:19:35,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:19:35,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:19:35,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:19:35,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:19:35,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:19:35,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:19:35,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:19:35,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:19:35,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:19:35,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:19:35,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:19:35,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:19:35,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:19:35,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:19:35,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:19:35,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:19:35,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:19:35,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:19:35,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:19:35,184 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 [2019-08-18 07:19:35,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:19:35,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:19:35,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:19:35,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:19:35,203 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:19:35,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:19:35,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:19:35,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:19:35,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:19:35,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:19:35,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:19:35,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:19:35,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:19:35,206 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:19:35,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:19:35,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:19:35,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:19:35,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:19:35,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:19:35,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:19:35,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:19:35,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:19:35,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:19:35,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:19:35,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:19:35,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:19:35,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:19:35,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:19:35,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:19:35,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:19:35,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:19:35,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:19:35,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:19:35,283 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:19:35,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-2.c [2019-08-18 07:19:35,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d1f7280/d5a3da30465648f587d19d75e0b4fb3f/FLAGbbd8d878e [2019-08-18 07:19:35,780 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:19:35,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-2.c [2019-08-18 07:19:35,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d1f7280/d5a3da30465648f587d19d75e0b4fb3f/FLAGbbd8d878e [2019-08-18 07:19:36,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d1f7280/d5a3da30465648f587d19d75e0b4fb3f [2019-08-18 07:19:36,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:19:36,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:19:36,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:19:36,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:19:36,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:19:36,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7de8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36, skipping insertion in model container [2019-08-18 07:19:36,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:19:36,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:19:36,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:19:36,366 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:19:36,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:19:36,412 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:19:36,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36 WrapperNode [2019-08-18 07:19:36,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:19:36,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:19:36,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:19:36,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:19:36,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (1/1) ... [2019-08-18 07:19:36,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:19:36,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:19:36,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:19:36,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:19:36,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:36" (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 [2019-08-18 07:19:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:19:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:19:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:19:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:19:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:19:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:19:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-18 07:19:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:19:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:19:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:19:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:19:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:19:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:19:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:19:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:19:37,025 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:19:37,025 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 07:19:37,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:19:37 BoogieIcfgContainer [2019-08-18 07:19:37,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:19:37,027 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:19:37,027 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:19:37,028 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:19:37,029 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:19:37" (1/1) ... [2019-08-18 07:19:37,043 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:19:37,046 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:19:37,053 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:19:37,062 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:19:37,064 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:19:37,159 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-08-18 07:19:37,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:19:37,197 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,197 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:19:37,209 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-18 07:19:37,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:37,405 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 101 treesize of output 97 [2019-08-18 07:19:37,406 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,436 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,437 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,471 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 94 treesize of output 90 [2019-08-18 07:19:37,472 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,495 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,495 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,515 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,516 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,531 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,532 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,554 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,555 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,575 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,576 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,624 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 84 treesize of output 80 [2019-08-18 07:19:37,625 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,646 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 89 treesize of output 85 [2019-08-18 07:19:37,647 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,662 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,663 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,685 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 89 treesize of output 85 [2019-08-18 07:19:37,685 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,700 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,701 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,711 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,712 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,722 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:37,722 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:37,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:19:37,735 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 1 [2019-08-18 07:19:37,736 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,060 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-08-18 07:19:38,060 INFO L567 ElimStorePlain]: treesize reduction 131, result has 70.1 percent of original size [2019-08-18 07:19:38,065 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2019-08-18 07:19:38,066 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:1561, output treesize:383 [2019-08-18 07:19:38,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-18 07:19:38,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,144 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:38,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,161 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 91 treesize of output 87 [2019-08-18 07:19:38,162 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,199 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 96 treesize of output 92 [2019-08-18 07:19:38,200 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,209 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:38,210 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2019-08-18 07:19:38,224 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,235 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 86 treesize of output 82 [2019-08-18 07:19:38,236 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,248 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 86 treesize of output 82 [2019-08-18 07:19:38,249 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,260 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 91 treesize of output 87 [2019-08-18 07:19:38,260 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:38,715 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2019-08-18 07:19:38,715 INFO L567 ElimStorePlain]: treesize reduction 36, result has 92.9 percent of original size [2019-08-18 07:19:38,718 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-08-18 07:19:38,719 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:709, output treesize:592 [2019-08-18 07:19:38,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-18 07:19:38,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:38,931 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 07:19:38,932 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:19:38,932 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:19:38,935 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 234#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:19:38,944 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:19:38,945 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:19:38,947 INFO L168 Benchmark]: Toolchain (without parser) took 2787.13 ms. Allocated memory was 131.6 MB in the beginning and 220.2 MB in the end (delta: 88.6 MB). Free memory was 88.0 MB in the beginning and 120.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,948 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.40 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 77.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,950 INFO L168 Benchmark]: Boogie Preprocessor took 125.90 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 174.9 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,950 INFO L168 Benchmark]: RCFGBuilder took 487.19 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,951 INFO L168 Benchmark]: Symbolic Interpretation took 1917.66 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 158.6 MB in the beginning and 120.7 MB in the end (delta: 37.8 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:38,956 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 234#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__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 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.40 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 77.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.90 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 174.9 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.19 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1917.66 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 158.6 MB in the beginning and 120.7 MB in the end (delta: 37.8 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...