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/reducercommutativity/sep20-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:37,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:37,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:37,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:37,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:37,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:37,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:37,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:37,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:37,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:37,996 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:37,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:37,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:37,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:37,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:38,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:38,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:38,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:38,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:38,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:38,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:38,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:38,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:38,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:38,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:38,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:38,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:38,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:38,024 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 21:13:38,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:38,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:38,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:38,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:38,047 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:38,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:38,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:38,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:38,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:38,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:38,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:38,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:38,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:38,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:38,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:38,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:38,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:38,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:38,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:38,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:38,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:38,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:38,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:38,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:38,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:38,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:38,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:38,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:38,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:38,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:38,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:38,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:38,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:38,131 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:38,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep20-1.i [2019-08-17 21:13:38,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9779da3b/5d49929a28444e3090095b68f8c3a5f5/FLAG4b8bba480 [2019-08-17 21:13:38,686 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:38,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep20-1.i [2019-08-17 21:13:38,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9779da3b/5d49929a28444e3090095b68f8c3a5f5/FLAG4b8bba480 [2019-08-17 21:13:39,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9779da3b/5d49929a28444e3090095b68f8c3a5f5 [2019-08-17 21:13:39,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:39,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:39,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:39,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:39,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:39,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff69b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39, skipping insertion in model container [2019-08-17 21:13:39,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:39,141 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:39,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:39,359 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:39,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:39,414 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:39,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39 WrapperNode [2019-08-17 21:13:39,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:39,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:39,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:39,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:39,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:39,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:39,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:39,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:39,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:39" (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 21:13:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-08-17 21:13:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-08-17 21:13:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:39,864 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:39,864 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:39,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:39 BoogieIcfgContainer [2019-08-17 21:13:39,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:39,867 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:39,867 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:39,867 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:39,868 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:39" (1/1) ... [2019-08-17 21:13:39,880 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:39,883 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:39,891 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:39,903 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:39,905 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:40,007 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 21:13:40,008 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,025 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:40,026 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,026 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:40,039 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:40,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-08-17 21:13:40,178 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:40,201 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 21:13:40,202 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:40,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:40,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:40,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,369 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 45 [2019-08-17 21:13:40,370 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,410 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 52 treesize of output 42 [2019-08-17 21:13:40,411 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,552 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-08-17 21:13:40,553 INFO L567 ElimStorePlain]: treesize reduction 206, result has 19.8 percent of original size [2019-08-17 21:13:40,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-17 21:13:40,555 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:297, output treesize:51 [2019-08-17 21:13:40,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,631 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:40,637 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 70 [2019-08-17 21:13:40,639 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,660 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:40,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 70 treesize of output 65 [2019-08-17 21:13:40,666 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,701 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:40,707 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 67 [2019-08-17 21:13:40,708 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:40,724 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:40,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 73 treesize of output 68 [2019-08-17 21:13:40,729 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:40,996 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-08-17 21:13:40,997 INFO L567 ElimStorePlain]: treesize reduction 46, result has 81.4 percent of original size [2019-08-17 21:13:41,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-08-17 21:13:41,003 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:291, output treesize:201 [2019-08-17 21:13:41,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,067 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,073 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 67 [2019-08-17 21:13:41,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,109 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 73 treesize of output 68 [2019-08-17 21:13:41,114 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,148 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2019-08-17 21:13:41,149 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,179 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2019-08-17 21:13:41,180 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,196 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,200 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 70 [2019-08-17 21:13:41,201 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,229 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2019-08-17 21:13:41,230 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,245 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,248 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 70 treesize of output 65 [2019-08-17 21:13:41,249 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,270 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2019-08-17 21:13:41,271 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,778 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-08-17 21:13:41,779 INFO L567 ElimStorePlain]: treesize reduction 58, result has 87.6 percent of original size [2019-08-17 21:13:41,786 INFO L496 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-2 vars, End of recursive call: 16 dim-0 vars, and 8 xjuncts. [2019-08-17 21:13:41,787 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:607, output treesize:409 [2019-08-17 21:13:41,830 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:41,831 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 24 treesize of output 24 [2019-08-17 21:13:41,831 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:41,838 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,838 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:41,847 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 13 treesize of output 9 [2019-08-17 21:13:41,848 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:41,854 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,854 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:41,866 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:41,868 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:41,872 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 128#(and (exists ((v_prenex_18 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296)) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_prenex_18 4294967296) 2147483647)) (not (< main_~i~2 19)) (= main_~ret5~0 (+ (mod v_prenex_18 4294967296) (- 4294967296)))))) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))) [2019-08-17 21:13:41,886 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:41,887 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:41,890 INFO L168 Benchmark]: Toolchain (without parser) took 2789.28 ms. Allocated memory was 137.9 MB in the beginning and 217.1 MB in the end (delta: 79.2 MB). Free memory was 85.1 MB in the beginning and 111.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:41,895 INFO L168 Benchmark]: CDTParser took 0.49 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 21:13:41,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.88 ms. Allocated memory is still 137.9 MB. Free memory was 84.9 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:41,901 INFO L168 Benchmark]: Boogie Preprocessor took 142.32 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 74.6 MB in the beginning and 173.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:41,903 INFO L168 Benchmark]: RCFGBuilder took 308.29 ms. Allocated memory is still 196.6 MB. Free memory was 173.4 MB in the beginning and 157.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:41,904 INFO L168 Benchmark]: Symbolic Interpretation took 2019.95 ms. Allocated memory was 196.6 MB in the beginning and 217.1 MB in the end (delta: 20.4 MB). Free memory was 157.1 MB in the beginning and 111.4 MB in the end (delta: 45.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:41,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 42]: 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 128#(and (exists ((v_prenex_18 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296)) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_prenex_18 4294967296) 2147483647)) (not (< main_~i~2 19)) (= main_~ret5~0 (+ (mod v_prenex_18 4294967296) (- 4294967296)))))) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 312.88 ms. Allocated memory is still 137.9 MB. Free memory was 84.9 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.32 ms. Allocated memory was 137.9 MB in the beginning and 196.6 MB in the end (delta: 58.7 MB). Free memory was 74.6 MB in the beginning and 173.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.29 ms. Allocated memory is still 196.6 MB. Free memory was 173.4 MB in the beginning and 157.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2019.95 ms. Allocated memory was 196.6 MB in the beginning and 217.1 MB in the end (delta: 20.4 MB). Free memory was 157.1 MB in the beginning and 111.4 MB in the end (delta: 45.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...