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/test23-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:53:51,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:51,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:51,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:51,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:51,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:51,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:51,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:51,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:51,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:51,124 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:51,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:51,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:51,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:51,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:51,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:51,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:51,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:51,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:51,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:51,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:51,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:51,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:51,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:51,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:53:51,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:51,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:51,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:51,150 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 [2019-08-18 06:53:51,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:51,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:51,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:51,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:51,175 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:51,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:51,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:51,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:51,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:51,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:51,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:51,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:51,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:51,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:51,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:51,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:51,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:51,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:51,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:51,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:51,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:51,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:51,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:51,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:51,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:51,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:51,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:51,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:51,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:51,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:51,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:51,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:51,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:51,231 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:51,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-1.c [2019-08-18 06:53:51,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817f51d9b/fb243c84f1c04939be908b213548cb03/FLAG887978e05 [2019-08-18 06:53:51,742 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:51,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-1.c [2019-08-18 06:53:51,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817f51d9b/fb243c84f1c04939be908b213548cb03/FLAG887978e05 [2019-08-18 06:53:52,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817f51d9b/fb243c84f1c04939be908b213548cb03 [2019-08-18 06:53:52,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:52,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:52,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:52,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:52,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:52,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49375b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52, skipping insertion in model container [2019-08-18 06:53:52,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:52,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:52,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:52,372 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:52,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:52,502 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:52,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52 WrapperNode [2019-08-18 06:53:52,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:52,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:52,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:52,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:52,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:52,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:52,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:52,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:52,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:52" (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 [2019-08-18 06:53:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 06:53:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-18 06:53:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 06:53:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:53:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:52,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:52,914 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 06:53:52,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:52 BoogieIcfgContainer [2019-08-18 06:53:52,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:52,916 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:52,916 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:52,917 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:52,921 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:52" (1/1) ... [2019-08-18 06:53:52,939 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:52,944 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:52,957 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:52,968 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:52,970 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:53,065 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-18 06:53:53,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:53,117 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-18 06:53:53,118 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:53,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:53,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:53,243 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:53:53,244 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 34 [2019-08-18 06:53:53,245 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,338 INFO L567 ElimStorePlain]: treesize reduction 8, result has 88.1 percent of original size [2019-08-18 06:53:53,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2019-08-18 06:53:53,350 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:53,419 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,419 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:78, output treesize:60 [2019-08-18 06:53:53,433 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-18 06:53:53,648 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-18 06:53:53,649 INFO L341 Elim1Store]: treesize reduction 111, result has 47.9 percent of original size [2019-08-18 06:53:53,650 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 3 case distinctions, treesize of input 42 treesize of output 111 [2019-08-18 06:53:53,654 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,810 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-18 06:53:53,811 INFO L567 ElimStorePlain]: treesize reduction 40, result has 72.0 percent of original size [2019-08-18 06:53:53,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:53,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:53,827 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,828 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:75, output treesize:113 [2019-08-18 06:53:53,914 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 109 treesize of output 105 [2019-08-18 06:53:53,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:53,933 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 109 treesize of output 105 [2019-08-18 06:53:53,934 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:54,109 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-18 06:53:54,109 INFO L567 ElimStorePlain]: treesize reduction 40, result has 81.0 percent of original size [2019-08-18 06:53:54,110 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 06:53:54,112 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:171 [2019-08-18 06:53:54,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:54,153 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:54,154 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:54,156 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))) [2019-08-18 06:53:54,164 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:53:54,164 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:54,166 INFO L168 Benchmark]: Toolchain (without parser) took 2076.09 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 88.3 MB in the beginning and 176.6 MB in the end (delta: -88.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,167 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.56 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 176.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,169 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 174.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,170 INFO L168 Benchmark]: RCFGBuilder took 372.49 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 158.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,171 INFO L168 Benchmark]: Symbolic Interpretation took 1248.19 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 158.0 MB in the beginning and 176.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:54,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 50]: 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 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 412.56 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 176.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 174.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.49 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 158.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1248.19 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 158.0 MB in the beginning and 176.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...