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/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:27:41,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:27:41,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:27:41,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:27:41,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:27:41,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:27:41,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:27:41,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:27:41,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:27:41,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:27:41,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:27:41,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:27:41,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:27:41,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:27:41,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:27:41,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:27:41,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:27:41,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:27:41,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:27:41,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:27:41,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:27:41,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:27:41,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:27:41,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:27:41,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:27:41,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:27:41,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:27:41,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:27:41,948 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 [2019-08-31 03:27:41,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:27:41,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:27:41,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:27:41,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:27:41,976 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:27:41,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:27:41,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:27:41,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:27:41,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:27:41,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:27:41,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:27:41,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:27:41,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:27:41,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:27:41,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:27:41,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:27:41,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:27:41,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:27:41,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:27:41,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:27:41,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:27:41,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:27:41,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:27:41,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:27:41,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:27:41,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:27:41,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:27:41,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:27:41,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:27:42,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:27:42,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:27:42,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:27:42,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:27:42,037 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:27:42,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-08-31 03:27:42,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f54cd45b/ca9ec0d354e04ea3912d49b56f4673d9/FLAGdb15227de [2019-08-31 03:27:42,568 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:27:42,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-08-31 03:27:42,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f54cd45b/ca9ec0d354e04ea3912d49b56f4673d9/FLAGdb15227de [2019-08-31 03:27:42,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f54cd45b/ca9ec0d354e04ea3912d49b56f4673d9 [2019-08-31 03:27:42,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:27:42,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:27:42,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:42,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:27:42,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:27:42,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:42" (1/1) ... [2019-08-31 03:27:43,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a49fed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43, skipping insertion in model container [2019-08-31 03:27:43,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:42" (1/1) ... [2019-08-31 03:27:43,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:27:43,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:27:43,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:43,209 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:27:43,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:43,241 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:27:43,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43 WrapperNode [2019-08-31 03:27:43,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:43,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:27:43,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:27:43,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:27:43,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:27:43,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:27:43,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:27:43,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:27:43,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:43" (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 [2019-08-31 03:27:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:27:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:27:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 03:27:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-31 03:27:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 03:27:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:27:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:27:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:27:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 03:27:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:27:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:27:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:27:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:27:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:27:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:27:43,697 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:27:43,697 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:27:43,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:43 BoogieIcfgContainer [2019-08-31 03:27:43,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:27:43,700 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:27:43,700 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:27:43,700 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:27:43,702 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:43" (1/1) ... [2019-08-31 03:27:43,748 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:27:43,748 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:27:43,777 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:27:43,789 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:27:43,791 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:27:43,880 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-31 03:27:43,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:43,911 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 [2019-08-31 03:27:43,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,032 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-31 03:27:44,033 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:44,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,094 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 03:27:44,095 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 [2019-08-31 03:27:44,096 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,226 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-31 03:27:44,227 INFO L567 ElimStorePlain]: treesize reduction 8, result has 90.9 percent of original size [2019-08-31 03:27:44,228 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,229 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:80 [2019-08-31 03:27:44,251 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 55 for LOIs [2019-08-31 03:27:44,460 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-31 03:27:44,460 INFO L341 Elim1Store]: treesize reduction 111, result has 47.9 percent of original size [2019-08-31 03:27:44,461 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 [2019-08-31 03:27:44,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,607 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-31 03:27:44,608 INFO L567 ElimStorePlain]: treesize reduction 40, result has 72.0 percent of original size [2019-08-31 03:27:44,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:27:44,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:27:44,619 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,619 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:75, output treesize:113 [2019-08-31 03:27:44,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,657 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-08-31 03:27:44,658 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,891 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-08-31 03:27:44,892 INFO L567 ElimStorePlain]: treesize reduction 18, result has 87.5 percent of original size [2019-08-31 03:27:44,892 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:44,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:126 [2019-08-31 03:27:44,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:44,963 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-08-31 03:27:44,964 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:45,125 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-08-31 03:27:45,125 INFO L567 ElimStorePlain]: treesize reduction 18, result has 87.5 percent of original size [2019-08-31 03:27:45,126 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:45,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:126 [2019-08-31 03:27:45,165 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:27:45,165 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:27:45,168 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(and (<= 0 |~#d1~0.offset|) (<= main_~pd2~0.offset 0) (not (= (select (select |#memory_int| main_~pd1~0.base) main_~pd1~0.offset) (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (= main_~pd2~0.offset main_~pd1~0.offset) (<= |#NULL.base| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset) (= main_~pd2~0.base main_~pd1~0.base) (or (not (= 0 main_~pd1~0.base)) (not (= main_~pd1~0.offset 0)))) [2019-08-31 03:27:45,181 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:27:45,181 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:27:45,185 INFO L168 Benchmark]: Toolchain (without parser) took 2190.73 ms. Allocated memory was 133.7 MB in the beginning and 225.4 MB in the end (delta: 91.8 MB). Free memory was 89.3 MB in the beginning and 144.7 MB in the end (delta: -55.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:45,187 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 03:27:45,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.79 ms. Allocated memory is still 133.7 MB. Free memory was 88.9 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:45,188 INFO L168 Benchmark]: Boogie Preprocessor took 132.10 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.1 MB in the beginning and 175.5 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:45,189 INFO L168 Benchmark]: RCFGBuilder took 324.55 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 159.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:45,190 INFO L168 Benchmark]: Sifa took 1482.57 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.4 MB in the beginning and 144.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:45,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.79 ms. Allocated memory is still 133.7 MB. Free memory was 88.9 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.10 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.1 MB in the beginning and 175.5 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.55 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 159.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 1482.57 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.4 MB in the beginning and 144.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.4s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 23 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 16 TOOLS_POST_APPLICATIONS, 0.8s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.5s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 23 FLUID_QUERIES, 1 FLUID_YES_ANSWERS, 6 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 1 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 4 CALL_SUMMARIZER_CACHE_MISSES, 0.8s CALL_SUMMARIZER_OVERALL_TIME, 0.8s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 71 DAG_COMPRESSION_PROCESSED_NODES, 40 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...