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/ldv-regression/nested_structure-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:44:35,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:44:35,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:44:35,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:44:35,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:44:35,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:44:35,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:44:35,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:44:35,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:44:35,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:44:35,086 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:44:35,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:44:35,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:44:35,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:44:35,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:44:35,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:44:35,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:44:35,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:44:35,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:44:35,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:44:35,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:44:35,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:44:35,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:44:35,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:44:35,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:44:35,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:44:35,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:44:35,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:44:35,113 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 [2019-08-22 21:44:35,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:44:35,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:44:35,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:44:35,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:44:35,141 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:44:35,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:44:35,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:44:35,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:44:35,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:44:35,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:44:35,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:44:35,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:44:35,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:44:35,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:44:35,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:44:35,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:44:35,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:44:35,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:44:35,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:44:35,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:44:35,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:44:35,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:44:35,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:44:35,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:44:35,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:44:35,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:44:35,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:44:35,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:44:35,202 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:44:35,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-22 21:44:35,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1334eb27d/3b021ff48e1b4518866d687262995429/FLAGf9bafc479 [2019-08-22 21:44:35,707 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:44:35,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-08-22 21:44:35,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1334eb27d/3b021ff48e1b4518866d687262995429/FLAGf9bafc479 [2019-08-22 21:44:36,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1334eb27d/3b021ff48e1b4518866d687262995429 [2019-08-22 21:44:36,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:44:36,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:44:36,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:36,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:44:36,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:44:36,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6356ad23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36, skipping insertion in model container [2019-08-22 21:44:36,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:44:36,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:44:36,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:36,325 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:44:36,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:36,355 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:44:36,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36 WrapperNode [2019-08-22 21:44:36,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:36,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:44:36,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:44:36,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:44:36,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:44:36,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:44:36,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:44:36,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:44:36,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:36" (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 [2019-08-22 21:44:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:44:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:44:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:44:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:44:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:44:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:44:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-22 21:44:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-08-22 21:44:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-08-22 21:44:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:44:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:44:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-22 21:44:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-22 21:44:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:44:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:44:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:44:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:44:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:44:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:44:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:44:36,801 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:44:36,801 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:44:36,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:36 BoogieIcfgContainer [2019-08-22 21:44:36,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:44:36,803 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:44:36,803 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:44:36,804 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:44:36,804 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:36" (1/1) ... [2019-08-22 21:44:36,818 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:44:36,820 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:44:36,826 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:44:36,835 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:44:36,836 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:44:36,949 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 [2019-08-22 21:44:36,949 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:36,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:36,989 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:36,989 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:44:37,009 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:44:37,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,098 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 21=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-22 21:44:37,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 557 treesize of output 560 [2019-08-22 21:44:37,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:37,196 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:44:37,197 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:37,566 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-08-22 21:44:37,567 INFO L567 ElimStorePlain]: treesize reduction 44, result has 92.1 percent of original size [2019-08-22 21:44:37,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:37,601 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2019-08-22 21:44:37,603 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:37,840 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-08-22 21:44:37,841 INFO L567 ElimStorePlain]: treesize reduction 30, result has 93.3 percent of original size [2019-08-22 21:44:37,844 INFO L392 ElimStorePlain]: Different costs {6=[|v_old(#memory_$Pointer$.base)_BEFORE_CALL_1|, |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_1|], 12=[|v_old(#memory_int)_BEFORE_CALL_1|]} [2019-08-22 21:44:37,859 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 21:44:37,914 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:37,915 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 371 treesize of output 286 [2019-08-22 21:44:37,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:37,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:37,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:38,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:38,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:44:38,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:38,036 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 14 xjuncts. [2019-08-22 21:44:38,557 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 70 [2019-08-22 21:44:38,558 INFO L567 ElimStorePlain]: treesize reduction 4158, result has 7.4 percent of original size [2019-08-22 21:44:38,622 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:38,623 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 293 treesize of output 298 [2019-08-22 21:44:38,626 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:38,693 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:38,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:38,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:38,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:44:38,710 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2019-08-22 21:44:38,711 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:38,776 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:38,778 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:44:38,778 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:1116, output treesize:144 [2019-08-22 21:44:38,780 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 57 [2019-08-22 21:44:38,785 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:44:38,786 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:44:38,788 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_main_~#good~0.base_BEFORE_CALL_1| Int)) (and (= |__VERIFIER_assert_#in~cond| 1) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4) |#StackHeapBarrier|) (<= |#NULL.base| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 1) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 8) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 0) 4) (= (select (select |#memory_int| |v_main_~#good~0.base_BEFORE_CALL_1|) 0) 1) (= (select |#length| |v_main_~#good~0.base_BEFORE_CALL_1|) 8) (= (select (select |#memory_$Pointer$.offset| |v_main_~#good~0.base_BEFORE_CALL_1|) 4) 0) (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 0)) (= 0 (select |#valid| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 1) (= 1 (select |#valid| |v_main_~#good~0.base_BEFORE_CALL_1|)) (< |v_main_~#good~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= |#NULL.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4)) 4)) 4) (< (select (select |#memory_$Pointer$.base| |v_main_~#good~0.base_BEFORE_CALL_1|) 4) |#StackHeapBarrier|)))) [2019-08-22 21:44:38,794 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 21:44:38,794 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:44:38,798 INFO L168 Benchmark]: Toolchain (without parser) took 2684.75 ms. Allocated memory was 134.2 MB in the beginning and 227.0 MB in the end (delta: 92.8 MB). Free memory was 89.6 MB in the beginning and 86.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,799 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.38 ms. Allocated memory is still 134.2 MB. Free memory was 89.4 MB in the beginning and 79.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,800 INFO L168 Benchmark]: Boogie Preprocessor took 118.88 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 79.4 MB in the beginning and 175.7 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,801 INFO L168 Benchmark]: RCFGBuilder took 327.51 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 160.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,804 INFO L168 Benchmark]: Symbolic Interpretation took 1991.34 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 160.5 MB in the beginning and 86.4 MB in the end (delta: 74.1 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:38,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.38 ms. Allocated memory is still 134.2 MB. Free memory was 89.4 MB in the beginning and 79.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.88 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 79.4 MB in the beginning and 175.7 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.51 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 160.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1991.34 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 160.5 MB in the beginning and 86.4 MB in the end (delta: 74.1 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...