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/sep60-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:39,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:39,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:39,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:39,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:39,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:39,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:39,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:39,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:39,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:39,223 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:39,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:39,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:39,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:39,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:39,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:39,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:39,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:39,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:39,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:39,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:39,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:39,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:39,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:39,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:39,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:39,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:39,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:39,276 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 21:13:39,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:39,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:39,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:39,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:39,292 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:39,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:39,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:39,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:39,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:39,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:39,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:39,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:39,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:39,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:39,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:39,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:39,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:39,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:39,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:39,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:39,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:39,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:39,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:39,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:39,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:39,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:39,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:39,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:39,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:39,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:39,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:39,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:39,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:39,360 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:39,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep60-2.i [2019-08-17 21:13:39,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e41f5b3/5fab2b834b93477d85e38735924ba2d5/FLAG8244d674a [2019-08-17 21:13:39,895 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:39,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep60-2.i [2019-08-17 21:13:39,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e41f5b3/5fab2b834b93477d85e38735924ba2d5/FLAG8244d674a [2019-08-17 21:13:40,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e41f5b3/5fab2b834b93477d85e38735924ba2d5 [2019-08-17 21:13:40,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:40,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:40,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:40,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:40,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:40,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7013b6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40, skipping insertion in model container [2019-08-17 21:13:40,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:40,337 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:40,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:40,543 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:40,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:40,668 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:40,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40 WrapperNode [2019-08-17 21:13:40,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:40,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:40,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:40,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:40,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (1/1) ... [2019-08-17 21:13:40,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:40,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:40,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:40,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:40,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:40" (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 21:13:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-08-17 21:13:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:41,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:41,112 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:41,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:41 BoogieIcfgContainer [2019-08-17 21:13:41,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:41,114 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:41,114 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:41,114 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:41,115 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:41" (1/1) ... [2019-08-17 21:13:41,133 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:41,135 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:41,142 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:41,149 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:41,151 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:41,234 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 21:13:41,235 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:41,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,264 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:41,275 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:41,368 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 21:13:41,369 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:41,399 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 21:13:41,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:13:41,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:13:41,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-17 21:13:41,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:41,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,550 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 21:13:41,552 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,587 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 21:13:41,588 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,733 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-08-17 21:13:41,734 INFO L567 ElimStorePlain]: treesize reduction 206, result has 19.8 percent of original size [2019-08-17 21:13:41,735 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 21:13:41,736 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:297, output treesize:51 [2019-08-17 21:13:41,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,776 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,781 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 21:13:41,783 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,803 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,809 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 21:13:41,813 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,845 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,846 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,852 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 21:13:41,854 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:41,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:41,871 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:41,875 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 21:13:41,876 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,150 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-08-17 21:13:42,151 INFO L567 ElimStorePlain]: treesize reduction 46, result has 81.4 percent of original size [2019-08-17 21:13:42,158 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 21:13:42,159 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:291, output treesize:201 [2019-08-17 21:13:42,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:42,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,223 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:42,228 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 21:13:42,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,263 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 21:13:42,264 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,280 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:42,284 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 21:13:42,285 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,317 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 77 treesize of output 71 [2019-08-17 21:13:42,318 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,347 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 77 treesize of output 71 [2019-08-17 21:13:42,348 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,365 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:42,368 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 21:13:42,370 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,398 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 21:13:42,399 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:42,413 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:13:42,414 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 21:13:42,415 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,883 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-08-17 21:13:42,884 INFO L567 ElimStorePlain]: treesize reduction 56, result has 88.0 percent of original size [2019-08-17 21:13:42,891 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 21:13:42,891 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:607, output treesize:411 [2019-08-17 21:13:42,943 INFO L341 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2019-08-17 21:13:42,944 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 21:13:42,944 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:42,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2019-08-17 21:13:42,961 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 21:13:42,962 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:42,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:42,969 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-08-17 21:13:42,978 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:42,978 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:42,982 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 132#(and (exists ((v_prenex_18 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (< main_~i~2 59)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_prenex_18 4294967296) 2147483647)) (= main_~ret5~0 (+ (mod v_prenex_18 4294967296) (- 4294967296))) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))) (and (not (< main_~i~2 59)) (<= (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)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))))) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))) [2019-08-17 21:13:42,994 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:42,994 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:43,003 INFO L168 Benchmark]: Toolchain (without parser) took 2696.69 ms. Allocated memory was 132.6 MB in the beginning and 223.3 MB in the end (delta: 90.7 MB). Free memory was 87.3 MB in the beginning and 111.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,004 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.40 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 176.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,011 INFO L168 Benchmark]: Boogie Preprocessor took 54.85 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,012 INFO L168 Benchmark]: RCFGBuilder took 388.89 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,013 INFO L168 Benchmark]: Symbolic Interpretation took 1886.74 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.3 MB in the beginning and 111.6 MB in the end (delta: 46.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:43,022 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 132#(and (exists ((v_prenex_18 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (< main_~i~2 59)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_prenex_18 4294967296) 2147483647)) (= main_~ret5~0 (+ (mod v_prenex_18 4294967296) (- 4294967296))) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))) (and (not (< main_~i~2 59)) (<= (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)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 236)))))) (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 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.40 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 176.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.85 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.89 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1886.74 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.3 MB in the beginning and 111.6 MB in the end (delta: 46.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...