java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/standard_two_index_06.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:13:10,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:13:10,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:13:10,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:13:10,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:13:10,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:13:10,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:13:10,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:13:10,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:13:10,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:13:10,930 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:13:10,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:13:10,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:13:10,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:13:10,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:13:10,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:13:10,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:13:10,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:13:10,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:13:10,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:13:10,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:13:10,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:13:10,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:13:10,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:13:10,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:13:10,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:13:10,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:13:10,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:13:10,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-17 21:13:10,980 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:13:10,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:13:10,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:13:10,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:13:10,984 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:13:10,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:13:10,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:13:10,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:13:10,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:13:10,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:13:10,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:13:10,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:13:10,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:13:10,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:13:10,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:13:10,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:13:10,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:13:10,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:13:10,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:13:10,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:13:10,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:13:10,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:10,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:13:10,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:13:10,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:13:10,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:13:10,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:13:10,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:13:10,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:13:11,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:13:11,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:13:11,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:13:11,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:13:11,058 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:13:11,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_two_index_06.i [2019-08-17 21:13:11,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef8e769a/62afa1be84e448f58ad3324133f371ec/FLAGf0c35bd1e [2019-08-17 21:13:11,521 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:13:11,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_two_index_06.i [2019-08-17 21:13:11,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef8e769a/62afa1be84e448f58ad3324133f371ec/FLAGf0c35bd1e [2019-08-17 21:13:11,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aef8e769a/62afa1be84e448f58ad3324133f371ec [2019-08-17 21:13:11,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:13:11,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:13:11,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:11,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:13:11,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:13:11,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123a4857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:11, skipping insertion in model container [2019-08-17 21:13:11,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:13:11" (1/1) ... [2019-08-17 21:13:11,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:13:11,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:13:12,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,155 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:13:12,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:13:12,192 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:13:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12 WrapperNode [2019-08-17 21:13:12,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:13:12,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:13:12,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:13:12,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:13:12,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:13:12,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:13:12,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:13:12,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:13:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:13:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:13:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:13:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:13:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:13:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:13:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:13:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:13:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:13:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:13:12,605 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:13:12,605 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:13:12,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12 BoogieIcfgContainer [2019-08-17 21:13:12,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:13:12,607 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:13:12,607 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:13:12,607 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:13:12,608 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:13:12" (1/1) ... [2019-08-17 21:13:12,620 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:13:12,622 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:13:12,628 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:13:12,636 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:13:12,638 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:13:12,754 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-17 21:13:12,755 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,779 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,779 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,779 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:13:12,796 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:13:12,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:12,884 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-08-17 21:13:12,885 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:12,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,914 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:30 [2019-08-17 21:13:12,958 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:12,959 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:12,960 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,986 INFO L567 ElimStorePlain]: treesize reduction 3, result has 89.3 percent of original size [2019-08-17 21:13:12,987 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:12,988 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-08-17 21:13:12,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:13:13,150 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-17 21:13:13,151 INFO L341 Elim1Store]: treesize reduction 49, result has 70.7 percent of original size [2019-08-17 21:13:13,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 153 [2019-08-17 21:13:13,154 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,187 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,188 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2019-08-17 21:13:13,189 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,269 INFO L567 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2019-08-17 21:13:13,270 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:13:13,271 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:94 [2019-08-17 21:13:13,304 INFO L341 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2019-08-17 21:13:13,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2019-08-17 21:13:13,306 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,315 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:13:13,316 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:13:13,317 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-08-17 21:13:13,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:13:13,361 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:13:13,362 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:13:13,362 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:13:13,366 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 90#(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 21:13:13,379 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:13:13,379 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:13:13,383 INFO L168 Benchmark]: Toolchain (without parser) took 1441.67 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 85.3 MB in the beginning and 104.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,386 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.57 ms. Allocated memory is still 136.8 MB. Free memory was 85.1 MB in the beginning and 75.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,391 INFO L168 Benchmark]: Boogie Preprocessor took 125.28 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 174.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,393 INFO L168 Benchmark]: RCFGBuilder took 287.26 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 160.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,394 INFO L168 Benchmark]: Symbolic Interpretation took 772.14 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 104.9 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:13:13,405 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 90#(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 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.57 ms. Allocated memory is still 136.8 MB. Free memory was 85.1 MB in the beginning and 75.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.28 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 174.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.26 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 160.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 772.14 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 104.9 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...