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_compareModified_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:35,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:35,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:35,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:35,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:35,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:35,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:35,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:35,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:35,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:35,843 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:35,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:35,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:35,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:35,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:35,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:35,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:35,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:35,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:35,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:35,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:35,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:35,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:35,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:35,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:12:35,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:12:35,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:12:35,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:12:35,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:12:35,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:12:35,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:35,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:35,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:35,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:35,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:35,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:35,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:35,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:35,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:35,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:35,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:35,905 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 21:12:35,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:35,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:35,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:35,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:35,937 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:35,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:35,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:35,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:35,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:35,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:35,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:35,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:35,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:35,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:35,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:35,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:35,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:35,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:35,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:35,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:35,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:35,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:35,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:35,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:35,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:35,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:35,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:35,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:35,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:36,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:36,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:36,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:36,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:36,028 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:36,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_compareModified_ground.i [2019-08-17 21:12:36,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297b2393a/375f65ce379a4b27b36be76c42edaa8b/FLAG9c62ca2bd [2019-08-17 21:12:36,480 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:36,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_compareModified_ground.i [2019-08-17 21:12:36,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297b2393a/375f65ce379a4b27b36be76c42edaa8b/FLAG9c62ca2bd [2019-08-17 21:12:36,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297b2393a/375f65ce379a4b27b36be76c42edaa8b [2019-08-17 21:12:36,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:36,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:36,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:36,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:36,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:36,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:36" (1/1) ... [2019-08-17 21:12:36,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424bf334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:36, skipping insertion in model container [2019-08-17 21:12:36,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:36" (1/1) ... [2019-08-17 21:12:36,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:36,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:37,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,089 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:37,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,129 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:37,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37 WrapperNode [2019-08-17 21:12:37,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:37,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:37,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:37,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:37,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:37,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:37,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (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 21:12:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:12:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:37,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:37,624 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-17 21:12:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37 BoogieIcfgContainer [2019-08-17 21:12:37,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:37,628 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:37,628 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:37,629 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:37,630 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,641 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:37,644 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:37,656 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:37,662 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:37,664 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:37,750 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 21:12:37,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:37,782 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:37,783 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:37,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:37,796 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:39,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,188 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-08-17 21:12:40,189 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:40,190 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 122 [2019-08-17 21:12:40,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,195 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:40,337 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-08-17 21:12:40,338 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:40,340 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 118 [2019-08-17 21:12:40,342 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:40,441 INFO L567 ElimStorePlain]: treesize reduction 197, result has 29.6 percent of original size [2019-08-17 21:12:40,442 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:40,442 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:83 [2019-08-17 21:12:40,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,614 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-08-17 21:12:40,614 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:40,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 118 [2019-08-17 21:12:40,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:40,738 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:40,739 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 122 [2019-08-17 21:12:40,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,744 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:40,845 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-08-17 21:12:40,846 INFO L567 ElimStorePlain]: treesize reduction 156, result has 34.7 percent of original size [2019-08-17 21:12:40,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:40,846 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:83 [2019-08-17 21:12:40,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,882 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:40,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,017 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 122 [2019-08-17 21:12:41,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,022 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,117 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,117 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 118 [2019-08-17 21:12:41,119 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,208 INFO L567 ElimStorePlain]: treesize reduction 197, result has 29.6 percent of original size [2019-08-17 21:12:41,209 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:41,209 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:83 [2019-08-17 21:12:41,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,402 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,403 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 118 [2019-08-17 21:12:41,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,508 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,509 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 122 [2019-08-17 21:12:41,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,514 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,605 INFO L567 ElimStorePlain]: treesize reduction 156, result has 34.7 percent of original size [2019-08-17 21:12:41,606 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:41,606 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:83 [2019-08-17 21:12:41,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,723 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,723 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 122 [2019-08-17 21:12:41,725 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,727 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,831 INFO L341 Elim1Store]: treesize reduction 49, result has 66.2 percent of original size [2019-08-17 21:12:41,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 118 [2019-08-17 21:12:41,834 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:41,927 INFO L567 ElimStorePlain]: treesize reduction 156, result has 34.7 percent of original size [2019-08-17 21:12:41,927 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:41,928 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:83 [2019-08-17 21:12:41,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,941 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:41,951 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:41,952 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:41,952 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:41,955 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 352#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:12:41,963 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:41,964 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:41,966 INFO L168 Benchmark]: Toolchain (without parser) took 5091.99 ms. Allocated memory was 131.6 MB in the beginning and 265.3 MB in the end (delta: 133.7 MB). Free memory was 87.5 MB in the beginning and 230.1 MB in the end (delta: -142.6 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:41,967 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 131.6 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 21:12:41,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.20 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:41,968 INFO L168 Benchmark]: Boogie Preprocessor took 132.80 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.1 MB in the beginning and 175.5 MB in the end (delta: -98.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:41,969 INFO L168 Benchmark]: RCFGBuilder took 364.47 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 158.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:41,970 INFO L168 Benchmark]: Symbolic Interpretation took 4335.75 ms. Allocated memory was 199.8 MB in the beginning and 265.3 MB in the end (delta: 65.5 MB). Free memory was 158.8 MB in the beginning and 230.1 MB in the end (delta: -71.3 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:41,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 352#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 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 0.50 ms. Allocated memory is still 131.6 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 255.20 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.80 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.1 MB in the beginning and 175.5 MB in the end (delta: -98.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.47 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 158.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4335.75 ms. Allocated memory was 199.8 MB in the beginning and 265.3 MB in the end (delta: 65.5 MB). Free memory was 158.8 MB in the beginning and 230.1 MB in the end (delta: -71.3 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...