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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:11:33,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:11:33,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:11:33,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:11:33,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:11:33,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:11:33,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:11:33,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:11:33,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:11:33,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:11:33,396 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:11:33,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:11:33,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:11:33,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:11:33,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:11:33,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:11:33,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:11:33,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:11:33,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:11:33,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:11:33,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:11:33,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:11:33,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:11:33,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:11:33,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:11:33,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:11:33,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:11:33,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:11:33,421 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 22:11:33,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:11:33,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:11:33,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:11:33,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:11:33,436 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:11:33,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:11:33,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:11:33,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:11:33,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:11:33,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:11:33,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:11:33,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:11:33,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:11:33,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:11:33,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:11:33,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:11:33,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:11:33,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:11:33,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:11:33,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:11:33,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:11:33,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:11:33,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:11:33,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:11:33,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:11:33,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:11:33,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:11:33,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:11:33,485 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:11:33,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-08-22 22:11:33,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523c7603c/7b41ba34d1fd47c4814ae46b98a20a7e/FLAGed2722319 [2019-08-22 22:11:34,049 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:11:34,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-08-22 22:11:34,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523c7603c/7b41ba34d1fd47c4814ae46b98a20a7e/FLAGed2722319 [2019-08-22 22:11:34,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523c7603c/7b41ba34d1fd47c4814ae46b98a20a7e [2019-08-22 22:11:34,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:11:34,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:11:34,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:11:34,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:11:34,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:11:34,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ccfcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34, skipping insertion in model container [2019-08-22 22:11:34,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:11:34,399 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:11:34,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:11:34,759 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:11:34,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:11:34,863 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:11:34,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34 WrapperNode [2019-08-22 22:11:34,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:11:34,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:11:34,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:11:34,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:11:34,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (1/1) ... [2019-08-22 22:11:34,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:11:34,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:11:34,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:11:34,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:11:34,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:11:34" (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 22:11:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:11:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:11:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:11:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:11:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-08-22 22:11:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-22 22:11:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:11:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:11:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 22:11:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 22:11:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 22:11:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-22 22:11:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 22:11:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:11:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:11:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 22:11:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 22:11:35,748 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:11:35,748 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 22:11:35,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:11:35 BoogieIcfgContainer [2019-08-22 22:11:35,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:11:35,750 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:11:35,751 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:11:35,751 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:11:35,752 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:11:35" (1/1) ... [2019-08-22 22:11:35,766 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:11:35,768 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:11:35,774 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:11:35,783 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:11:35,784 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:11:35,858 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_31|]} [2019-08-22 22:11:35,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:35,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:35,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:35,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 22:11:35,900 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 22:11:36,061 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-22 22:11:36,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 22:11:36,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 22:11:36,107 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-08-22 22:11:36,109 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 22:11:36,326 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-08-22 22:11:36,326 INFO L567 ElimStorePlain]: treesize reduction 12, result has 92.3 percent of original size [2019-08-22 22:11:36,327 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 22:11:36,327 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:180, output treesize:143 [2019-08-22 22:11:36,358 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 100 [2019-08-22 22:12:05,915 INFO L235 Elim1Store]: Index analysis took 29257 ms [2019-08-22 22:12:36,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2130 treesize of output 2209 [2019-08-22 22:12:36,793 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 22:12:42,152 INFO L235 Elim1Store]: Index analysis took 5238 ms [2019-08-22 22:12:47,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2130 treesize of output 2209 [2019-08-22 22:12:47,559 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.