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_partition_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:03,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:03,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:03,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:03,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:03,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:03,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:03,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:03,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:03,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:03,265 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:03,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:03,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:03,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:03,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:03,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:03,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:03,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:03,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:03,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:03,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:03,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:03,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:03,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:03,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:03,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:03,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:03,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:03,303 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 21:13:03,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:03,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:03,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:03,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:03,320 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:03,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:03,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:03,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:03,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:03,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:03,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:03,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:03,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:03,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:03,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:03,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:03,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:03,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:03,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:03,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:03,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:03,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:03,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:03,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:03,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:03,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:03,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:03,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:03,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:03,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:03,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:03,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:03,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:03,391 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:03,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_partition_ground-1.i [2019-08-17 21:13:03,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5a09b57/6833d12982224e559d9f115af96cc1dd/FLAGa3c1669f0 [2019-08-17 21:13:03,877 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:03,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_partition_ground-1.i [2019-08-17 21:13:03,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5a09b57/6833d12982224e559d9f115af96cc1dd/FLAGa3c1669f0 [2019-08-17 21:13:04,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5a09b57/6833d12982224e559d9f115af96cc1dd [2019-08-17 21:13:04,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:04,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:04,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:04,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:04,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:04,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed94531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04, skipping insertion in model container [2019-08-17 21:13:04,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:04,311 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:04,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:04,489 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:04,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:04,532 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:04,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04 WrapperNode [2019-08-17 21:13:04,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:04,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:04,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:04,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:04,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (1/1) ... [2019-08-17 21:13:04,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:04,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:04,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:04,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:04,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:04" (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 21:13:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:05,058 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:05,059 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-17 21:13:05,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:05 BoogieIcfgContainer [2019-08-17 21:13:05,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:05,061 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:05,061 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:05,061 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:05,062 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:05" (1/1) ... [2019-08-17 21:13:05,075 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:05,077 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:05,083 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:05,091 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:05,092 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:05,177 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 21:13:05,178 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:05,204 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,205 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:05,216 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:05,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:05,489 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 21:13:05,490 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,514 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:05,516 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 21:13:05,517 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:39 [2019-08-17 21:13:05,550 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:05,551 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 60 treesize of output 35 [2019-08-17 21:13:05,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,581 INFO L567 ElimStorePlain]: treesize reduction 14, result has 77.4 percent of original size [2019-08-17 21:13:05,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,582 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:48 [2019-08-17 21:13:05,620 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:05,620 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 36 treesize of output 27 [2019-08-17 21:13:05,622 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,641 INFO L567 ElimStorePlain]: treesize reduction 3, result has 92.3 percent of original size [2019-08-17 21:13:05,642 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,642 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:36 [2019-08-17 21:13:05,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:05,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:05,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:05,809 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-08-17 21:13:05,810 INFO L341 Elim1Store]: treesize reduction 46, result has 71.6 percent of original size [2019-08-17 21:13:05,811 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 77 treesize of output 157 [2019-08-17 21:13:05,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:05,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:05,910 INFO L341 Elim1Store]: treesize reduction 46, result has 61.3 percent of original size [2019-08-17 21:13:05,911 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 2 case distinctions, treesize of input 59 treesize of output 102 [2019-08-17 21:13:05,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:05,914 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,042 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-08-17 21:13:06,043 INFO L567 ElimStorePlain]: treesize reduction 156, result has 44.9 percent of original size [2019-08-17 21:13:06,044 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:06,044 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:137, output treesize:127 [2019-08-17 21:13:06,092 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:06,093 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 36 treesize of output 27 [2019-08-17 21:13:06,095 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,106 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:06,107 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,107 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:35 [2019-08-17 21:13:06,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,235 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:06,236 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 36 treesize of output 27 [2019-08-17 21:13:06,237 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,258 INFO L567 ElimStorePlain]: treesize reduction 3, result has 92.3 percent of original size [2019-08-17 21:13:06,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,259 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:36 [2019-08-17 21:13:06,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,339 INFO L341 Elim1Store]: treesize reduction 46, result has 61.3 percent of original size [2019-08-17 21:13:06,340 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 2 case distinctions, treesize of input 59 treesize of output 102 [2019-08-17 21:13:06,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,342 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,461 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-08-17 21:13:06,462 INFO L341 Elim1Store]: treesize reduction 46, result has 71.6 percent of original size [2019-08-17 21:13:06,462 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 77 treesize of output 157 [2019-08-17 21:13:06,464 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,567 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-08-17 21:13:06,568 INFO L567 ElimStorePlain]: treesize reduction 158, result has 44.8 percent of original size [2019-08-17 21:13:06,568 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:06,569 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:137, output treesize:128 [2019-08-17 21:13:06,591 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:06,592 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 36 treesize of output 27 [2019-08-17 21:13:06,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,599 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:06,600 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,600 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:36 [2019-08-17 21:13:06,622 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:06,622 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 36 treesize of output 27 [2019-08-17 21:13:06,623 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,643 INFO L567 ElimStorePlain]: treesize reduction 3, result has 92.1 percent of original size [2019-08-17 21:13:06,643 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,643 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:35 [2019-08-17 21:13:06,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,720 INFO L341 Elim1Store]: treesize reduction 46, result has 61.3 percent of original size [2019-08-17 21:13:06,721 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 2 case distinctions, treesize of input 59 treesize of output 102 [2019-08-17 21:13:06,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,723 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:06,827 INFO L341 Elim1Store]: treesize reduction 46, result has 71.6 percent of original size [2019-08-17 21:13:06,828 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 77 treesize of output 157 [2019-08-17 21:13:06,829 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,932 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-08-17 21:13:06,932 INFO L567 ElimStorePlain]: treesize reduction 157, result has 44.7 percent of original size [2019-08-17 21:13:06,933 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:06,933 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:137, output treesize:127 [2019-08-17 21:13:06,957 INFO L341 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2019-08-17 21:13:06,958 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 36 treesize of output 27 [2019-08-17 21:13:06,959 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:06,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:06,968 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:36 [2019-08-17 21:13:06,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:06,992 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 [2019-08-17 21:13:06,993 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:06,993 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:06,996 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 341#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:13:07,007 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:07,008 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:07,010 INFO L168 Benchmark]: Toolchain (without parser) took 2736.01 ms. Allocated memory was 136.8 MB in the beginning and 216.5 MB in the end (delta: 79.7 MB). Free memory was 84.3 MB in the beginning and 91.2 MB in the end (delta: -6.9 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:07,011 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-17 21:13:07,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.46 ms. Allocated memory is still 136.8 MB. Free memory was 84.3 MB in the beginning and 74.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:07,016 INFO L168 Benchmark]: Boogie Preprocessor took 134.18 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 73.9 MB in the beginning and 174.9 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:07,016 INFO L168 Benchmark]: RCFGBuilder took 392.64 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 157.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:07,023 INFO L168 Benchmark]: Symbolic Interpretation took 1947.23 ms. Allocated memory was 198.2 MB in the beginning and 216.5 MB in the end (delta: 18.4 MB). Free memory was 157.5 MB in the beginning and 91.2 MB in the end (delta: 66.3 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:07,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 341#(and (= 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 0.25 ms. Allocated memory is still 136.8 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.46 ms. Allocated memory is still 136.8 MB. Free memory was 84.3 MB in the beginning and 74.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.18 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 73.9 MB in the beginning and 174.9 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.64 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 157.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1947.23 ms. Allocated memory was 198.2 MB in the beginning and 216.5 MB in the end (delta: 18.4 MB). Free memory was 157.5 MB in the beginning and 91.2 MB in the end (delta: 66.3 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...