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/array-examples/standard_two_index_04.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:10,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:10,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:10,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:10,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:10,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:10,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:10,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:10,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:10,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:10,618 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:10,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:10,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:10,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:10,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:10,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:10,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:10,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:10,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:10,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:10,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:10,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:10,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:10,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:10,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:10,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:10,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:10,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:10,647 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 [2019-08-17 21:13:10,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:10,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:10,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:10,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:10,679 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:10,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:10,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:10,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:10,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:10,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:10,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:10,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:10,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:10,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:10,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:10,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:10,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:10,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:10,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:10,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:10,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:10,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:10,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:10,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:10,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:10,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:10,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:10,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:10,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:10,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:10,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:10,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:10,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:10,734 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:10,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_two_index_04.i [2019-08-17 21:13:10,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33212d949/3472b663161a44e08238fc6ce6c85826/FLAG9a4855d84 [2019-08-17 21:13:11,245 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:11,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_two_index_04.i [2019-08-17 21:13:11,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33212d949/3472b663161a44e08238fc6ce6c85826/FLAG9a4855d84 [2019-08-17 21:13:11,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33212d949/3472b663161a44e08238fc6ce6c85826 [2019-08-17 21:13:11,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:11,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:11,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:11,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:11,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:11,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d6b392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11, skipping insertion in model container [2019-08-17 21:13:11,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:11,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:11,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:11,919 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:11,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:11,957 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:11,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11 WrapperNode [2019-08-17 21:13:11,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:11,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:11,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:11,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:12,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:12,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:12,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:12,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:12,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11" (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 [2019-08-17 21:13:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:12,387 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:12,388 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:12,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12 BoogieIcfgContainer [2019-08-17 21:13:12,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:12,390 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:12,390 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:12,390 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:12,391 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,406 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:12,410 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:12,419 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:12,431 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:12,432 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:12,539 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 [2019-08-17 21:13:12,540 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,581 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:12,595 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:12,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:12,698 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 16 treesize of output 12 [2019-08-17 21:13:12,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,723 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,726 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:30 [2019-08-17 21:13:12,764 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:12,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:12,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,784 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:12,785 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,785 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:12,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:12,847 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:12,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2019-08-17 21:13:12,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:12,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,010 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,011 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 153 [2019-08-17 21:13:13,015 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,100 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:13,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:13,101 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:13,139 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,139 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:13,140 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,148 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,149 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,149 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:13,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,218 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,219 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:13,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,235 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:13,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,237 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:13,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,391 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,392 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,393 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 153 [2019-08-17 21:13:13,395 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,419 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,420 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2019-08-17 21:13:13,421 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,487 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:13,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:13,488 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:13,521 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,522 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:13,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,529 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,529 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:13,536 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 [2019-08-17 21:13:13,537 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:13,537 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:13,540 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 120#(and (exists ((|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_prenex_3 Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) (+ (* 4 v_main_~j~0_BEFORE_CALL_1) |v_main_~#a~0.offset_BEFORE_CALL_1|)) (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ (* 16 v_main_~j~0_BEFORE_CALL_1) |v_main_~#b~0.offset_BEFORE_CALL_1| 4))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_5) (+ (* 4 v_prenex_2) v_prenex_3)) (select (select |#memory_int| v_prenex_1) (+ (* 16 v_prenex_2) v_prenex_4 4)))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:13,549 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:13,550 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:13,552 INFO L168 Benchmark]: Toolchain (without parser) took 1900.05 ms. Allocated memory was 137.9 MB in the beginning and 219.2 MB in the end (delta: 81.3 MB). Free memory was 85.4 MB in the beginning and 188.5 MB in the end (delta: -103.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,553 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.86 ms. Allocated memory is still 137.9 MB. Free memory was 85.2 MB in the beginning and 75.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,554 INFO L168 Benchmark]: Boogie Preprocessor took 123.48 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 75.3 MB in the beginning and 175.8 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,555 INFO L168 Benchmark]: RCFGBuilder took 307.08 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 161.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,556 INFO L168 Benchmark]: Symbolic Interpretation took 1160.15 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 161.5 MB in the beginning and 188.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 120#(and (exists ((|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_main_~j~0_BEFORE_CALL_1 Int) (v_prenex_3 Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) (+ (* 4 v_main_~j~0_BEFORE_CALL_1) |v_main_~#a~0.offset_BEFORE_CALL_1|)) (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ (* 16 v_main_~j~0_BEFORE_CALL_1) |v_main_~#b~0.offset_BEFORE_CALL_1| 4))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_5) (+ (* 4 v_prenex_2) v_prenex_3)) (select (select |#memory_int| v_prenex_1) (+ (* 16 v_prenex_2) v_prenex_4 4)))))) (= 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 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.86 ms. Allocated memory is still 137.9 MB. Free memory was 85.2 MB in the beginning and 75.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.48 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 75.3 MB in the beginning and 175.8 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.08 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 161.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1160.15 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 161.5 MB in the beginning and 188.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...