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/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:53:53,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:53,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:53,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:53,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:53,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:53,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:53,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:53,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:53,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:53,043 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:53,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:53,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:53,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:53,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:53,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:53,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:53,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:53,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:53,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:53,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:53,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:53,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:53,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:53,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:53:53,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:53,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:53,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:53,072 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 06:53:53,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:53,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:53,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:53,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:53,089 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:53,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:53,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:53,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:53,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:53,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:53,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:53,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:53,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:53,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:53,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:53,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:53,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:53,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:53,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:53,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:53,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:53,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:53,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:53,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:53,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:53,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:53,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:53,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:53,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:53,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:53,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:53,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:53,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:53,153 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:53,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-08-18 06:53:53,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a45cd9b/0fd1c9d6f6894bd6870024ca81a34112/FLAG5d4f7dc5f [2019-08-18 06:53:53,728 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:53,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-08-18 06:53:53,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a45cd9b/0fd1c9d6f6894bd6870024ca81a34112/FLAG5d4f7dc5f [2019-08-18 06:53:54,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a45cd9b/0fd1c9d6f6894bd6870024ca81a34112 [2019-08-18 06:53:54,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:54,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:54,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:54,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:54,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:54,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab50ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54, skipping insertion in model container [2019-08-18 06:53:54,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,098 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:54,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:54,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:54,331 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:54,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:54,464 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:54,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54 WrapperNode [2019-08-18 06:53:54,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:54,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:54,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:54,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:54,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:54,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:54,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:54,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:54,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:54" (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 06:53:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 06:53:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-18 06:53:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 06:53:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:53:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 06:53:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 06:53:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-18 06:53:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:54,891 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:54,892 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 06:53:54,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:54 BoogieIcfgContainer [2019-08-18 06:53:54,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:54,895 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:54,895 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:54,895 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:54,897 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:54" (1/1) ... [2019-08-18 06:53:54,929 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:54,934 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:54,941 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:54,952 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:54,954 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:55,038 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-18 06:53:55,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:55,086 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 06:53:55,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:55,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:55,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:55,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:55,225 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:53:55,226 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 06:53:55,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:55,315 INFO L567 ElimStorePlain]: treesize reduction 8, result has 88.1 percent of original size [2019-08-18 06:53:55,328 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 06:53:55,329 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:55,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:55,386 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 06:53:55,387 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:78, output treesize:60 [2019-08-18 06:53:55,402 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-18 06:53:55,614 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-18 06:53:55,615 INFO L341 Elim1Store]: treesize reduction 111, result has 47.9 percent of original size [2019-08-18 06:53:55,616 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 06:53:55,618 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:55,766 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-18 06:53:55,767 INFO L567 ElimStorePlain]: treesize reduction 40, result has 72.0 percent of original size [2019-08-18 06:53:55,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:55,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 06:53:55,779 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 06:53:55,779 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:75, output treesize:113 [2019-08-18 06:53:55,857 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 06:53:55,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:55,877 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 06:53:55,878 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:56,074 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-18 06:53:56,074 INFO L567 ElimStorePlain]: treesize reduction 40, result has 81.0 percent of original size [2019-08-18 06:53:56,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 06:53:56,075 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:171 [2019-08-18 06:53:56,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:56,103 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:56,104 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:56,106 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 06:53:56,124 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:53:56,124 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:56,128 INFO L168 Benchmark]: Toolchain (without parser) took 2052.14 ms. Allocated memory was 138.4 MB in the beginning and 218.6 MB in the end (delta: 80.2 MB). Free memory was 86.0 MB in the beginning and 172.9 MB in the end (delta: -86.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:56,130 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:53:56,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.31 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 86.0 MB in the beginning and 174.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:56,137 INFO L168 Benchmark]: Boogie Preprocessor took 44.90 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 171.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:56,137 INFO L168 Benchmark]: RCFGBuilder took 381.80 ms. Allocated memory is still 196.6 MB. Free memory was 171.8 MB in the beginning and 154.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:56,139 INFO L168 Benchmark]: Symbolic Interpretation took 1229.67 ms. Allocated memory was 196.6 MB in the beginning and 218.6 MB in the end (delta: 22.0 MB). Free memory was 154.4 MB in the beginning and 172.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:56,153 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 0.44 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 388.31 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 86.0 MB in the beginning and 174.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.90 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 171.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.80 ms. Allocated memory is still 196.6 MB. Free memory was 171.8 MB in the beginning and 154.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1229.67 ms. Allocated memory was 196.6 MB in the beginning and 218.6 MB in the end (delta: 22.0 MB). Free memory was 154.4 MB in the beginning and 172.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...