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/float-benchs/exp_loop.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:17:52,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:17:52,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:17:52,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:17:52,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:17:52,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:17:52,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:17:52,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:17:52,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:17:52,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:17:52,126 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:17:52,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:17:52,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:17:52,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:17:52,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:17:52,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:17:52,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:17:52,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:17:52,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:17:52,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:17:52,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:17:52,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:17:52,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:17:52,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:17:52,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:17:52,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:17:52,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:17:52,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:17:52,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:17:52,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:17:52,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:17:52,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:17:52,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:17:52,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:17:52,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:17:52,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:17:52,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:17:52,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:17:52,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:17:52,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:17:52,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:17:52,154 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 06:17:52,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:17:52,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:17:52,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:17:52,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:17:52,171 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:17:52,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:17:52,171 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:17:52,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:17:52,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:17:52,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:17:52,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:17:52,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:17:52,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:17:52,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:17:52,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:17:52,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:17:52,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:17:52,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:17:52,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:17:52,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:17:52,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:17:52,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:17:52,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:17:52,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:17:52,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:17:52,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:17:52,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:17:52,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:17:52,242 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:17:52,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/exp_loop.c [2019-08-18 06:17:52,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291ef25e8/6c46f86f88634fdeb9c3f8839c56528d/FLAG53c737fa1 [2019-08-18 06:17:52,813 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:17:52,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/exp_loop.c [2019-08-18 06:17:52,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291ef25e8/6c46f86f88634fdeb9c3f8839c56528d/FLAG53c737fa1 [2019-08-18 06:17:53,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291ef25e8/6c46f86f88634fdeb9c3f8839c56528d [2019-08-18 06:17:53,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:17:53,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:17:53,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:53,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:17:53,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:17:53,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610e552a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53, skipping insertion in model container [2019-08-18 06:17:53,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:17:53,228 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:17:53,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:53,451 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:17:53,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:53,492 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:17:53,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53 WrapperNode [2019-08-18 06:17:53,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:53,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:17:53,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:17:53,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:17:53,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:17:53,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:17:53,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:17:53,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:17:53,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:53" (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 06:17:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure FABS [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure FREXP [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure LDEXP [2019-08-18 06:17:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:17:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:17:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure FABS [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure FREXP [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure LDEXP [2019-08-18 06:17:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:17:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:17:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:17:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:17:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:17:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:17:53,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:17:53,977 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:17:53,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:53 BoogieIcfgContainer [2019-08-18 06:17:53,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:17:53,979 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:17:53,980 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:17:53,980 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:17:53,981 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:53" (1/1) ... [2019-08-18 06:17:53,991 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:17:53,993 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:17:54,000 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:17:54,009 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:17:54,010 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:17:54,097 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 06:17:54,098 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:54,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,123 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:17:54,136 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-18 06:17:54,215 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 11 treesize of output 7 [2019-08-18 06:17:54,216 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:54,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-08-18 06:17:54,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:17:54,311 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-18 06:17:54,330 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 49 [2019-08-18 06:17:54,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,347 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 58 treesize of output 57 [2019-08-18 06:17:54,348 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,376 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 49 treesize of output 48 [2019-08-18 06:17:54,377 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 49 [2019-08-18 06:17:54,401 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,415 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 58 treesize of output 57 [2019-08-18 06:17:54,416 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,432 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 49 treesize of output 48 [2019-08-18 06:17:54,433 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 49 [2019-08-18 06:17:54,450 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 49 treesize of output 48 [2019-08-18 06:17:54,466 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,479 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 58 treesize of output 57 [2019-08-18 06:17:54,480 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,777 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-08-18 06:17:54,778 INFO L567 ElimStorePlain]: treesize reduction 342, result has 26.1 percent of original size [2019-08-18 06:17:54,798 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2019-08-18 06:17:54,800 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2019-08-18 06:17:54,819 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:54,835 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2019-08-18 06:17:54,836 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:55,055 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-08-18 06:17:55,055 INFO L567 ElimStorePlain]: treesize reduction 12, result has 88.3 percent of original size [2019-08-18 06:17:55,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2019-08-18 06:17:55,058 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:472, output treesize:91 [2019-08-18 06:17:55,064 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 38 [2019-08-18 06:17:55,069 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:17:55,070 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:17:55,077 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 129#(and (exists ((v_prenex_2 Int) (|v_main_~#e~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_2)) (< v_prenex_2 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 1 (select |#valid| |v_main_~#e~0.base_BEFORE_CALL_1|)) (= 0 |#NULL.base|) (= 4 (select |#length| |v_main_~#e~0.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (< |v_main_~#e~0.base_BEFORE_CALL_1| |#StackHeapBarrier|)) (and (= 4 (select |#length| v_prenex_1)) (= 1 (select |#valid| v_prenex_1)) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:17:55,094 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:17:55,094 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:17:55,100 INFO L168 Benchmark]: Toolchain (without parser) took 1916.65 ms. Allocated memory was 131.6 MB in the beginning and 220.7 MB in the end (delta: 89.1 MB). Free memory was 87.9 MB in the beginning and 187.5 MB in the end (delta: -99.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:55,101 INFO L168 Benchmark]: CDTParser took 0.20 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 06:17:55,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.21 ms. Allocated memory is still 131.6 MB. Free memory was 87.7 MB in the beginning and 76.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:55,104 INFO L168 Benchmark]: Boogie Preprocessor took 134.04 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.7 MB in the beginning and 175.0 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:55,109 INFO L168 Benchmark]: RCFGBuilder took 351.82 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 157.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:55,111 INFO L168 Benchmark]: Symbolic Interpretation took 1117.86 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 157.4 MB in the beginning and 187.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:55,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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 129#(and (exists ((v_prenex_2 Int) (|v_main_~#e~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_2)) (< v_prenex_2 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 1 (select |#valid| |v_main_~#e~0.base_BEFORE_CALL_1|)) (= 0 |#NULL.base|) (= 4 (select |#length| |v_main_~#e~0.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (< |v_main_~#e~0.base_BEFORE_CALL_1| |#StackHeapBarrier|)) (and (= 4 (select |#length| v_prenex_1)) (= 1 (select |#valid| v_prenex_1)) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 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 0.20 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 305.21 ms. Allocated memory is still 131.6 MB. Free memory was 87.7 MB in the beginning and 76.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.04 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.7 MB in the beginning and 175.0 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.82 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 157.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1117.86 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 157.4 MB in the beginning and 187.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...