java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 20:59:17,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 20:59:17,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 20:59:18,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 20:59:18,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 20:59:18,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 20:59:18,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 20:59:18,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 20:59:18,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 20:59:18,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 20:59:18,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 20:59:18,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 20:59:18,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 20:59:18,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 20:59:18,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 20:59:18,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 20:59:18,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 20:59:18,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 20:59:18,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 20:59:18,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 20:59:18,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 20:59:18,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 20:59:18,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 20:59:18,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 20:59:18,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 20:59:18,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 20:59:18,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 20:59:18,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 20:59:18,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 20:59:18,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 20:59:18,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 20:59:18,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 20:59:18,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 20:59:18,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 20:59:18,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 20:59:18,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 20:59:18,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-03 20:59:18,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 20:59:18,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 20:59:18,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 20:59:18,099 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 20:59:18,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 20:59:18,100 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 20:59:18,100 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 20:59:18,100 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 20:59:18,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 20:59:18,101 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 20:59:18,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 20:59:18,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 20:59:18,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 20:59:18,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 20:59:18,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 20:59:18,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 20:59:18,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 20:59:18,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 20:59:18,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 20:59:18,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 20:59:18,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 20:59:18,105 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 20:59:18,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 20:59:18,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 20:59:18,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 20:59:18,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 20:59:18,107 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 20:59:18,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 20:59:18,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 20:59:18,107 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 20:59:18,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 20:59:18,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 20:59:18,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 20:59:18,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 20:59:18,183 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 20:59:18,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-03 20:59:18,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a1af8f80/9a00066c9539452899ba979c8a64aa40/FLAGbb3fd2429 [2019-09-03 20:59:18,777 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 20:59:18,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-03 20:59:18,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a1af8f80/9a00066c9539452899ba979c8a64aa40/FLAGbb3fd2429 [2019-09-03 20:59:19,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a1af8f80/9a00066c9539452899ba979c8a64aa40 [2019-09-03 20:59:19,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 20:59:19,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 20:59:19,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 20:59:19,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 20:59:19,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 20:59:19,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:59:19" (1/1) ... [2019-09-03 20:59:19,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c6c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:19, skipping insertion in model container [2019-09-03 20:59:19,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:59:19" (1/1) ... [2019-09-03 20:59:19,105 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 20:59:19,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 20:59:19,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:59:19,765 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 20:59:19,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:59:20,000 INFO L192 MainTranslator]: Completed translation [2019-09-03 20:59:20,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20 WrapperNode [2019-09-03 20:59:20,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 20:59:20,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 20:59:20,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 20:59:20,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 20:59:20,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (1/1) ... [2019-09-03 20:59:20,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 20:59:20,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 20:59:20,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 20:59:20,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 20:59:20,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (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 [2019-09-03 20:59:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 20:59:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 20:59:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 20:59:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 20:59:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-03 20:59:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-03 20:59:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 20:59:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 20:59:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 20:59:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 20:59:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 20:59:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-03 20:59:22,233 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 20:59:22,234 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-03 20:59:22,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:59:22 BoogieIcfgContainer [2019-09-03 20:59:22,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 20:59:22,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 20:59:22,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 20:59:22,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 20:59:22,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 08:59:19" (1/3) ... [2019-09-03 20:59:22,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f7cb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:59:22, skipping insertion in model container [2019-09-03 20:59:22,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:59:20" (2/3) ... [2019-09-03 20:59:22,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f7cb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:59:22, skipping insertion in model container [2019-09-03 20:59:22,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:59:22" (3/3) ... [2019-09-03 20:59:22,244 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+nlh-reducer.c [2019-09-03 20:59:22,256 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 20:59:22,265 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 20:59:22,282 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 20:59:22,307 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 20:59:22,307 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-03 20:59:22,307 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 20:59:22,308 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 20:59:22,308 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 20:59:22,308 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 20:59:22,308 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 20:59:22,308 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 20:59:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-09-03 20:59:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-03 20:59:22,347 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:59:22,348 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:59:22,350 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:59:22,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:59:22,354 INFO L82 PathProgramCache]: Analyzing trace with hash -745324545, now seen corresponding path program 1 times [2019-09-03 20:59:22,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:59:22,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:59:22,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:59:22,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:59:22,405 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:59:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:59:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:59:29,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:59:29,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2019-09-03 20:59:29,216 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-03 20:59:29,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 68 states [2019-09-03 20:59:29,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2019-09-03 20:59:29,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=4400, Unknown=0, NotChecked=0, Total=4556 [2019-09-03 20:59:29,238 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 68 states. [2019-09-03 21:00:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 21:00:14,355 INFO L93 Difference]: Finished difference Result 179 states and 281 transitions. [2019-09-03 21:00:14,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-09-03 21:00:14,358 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 179 [2019-09-03 21:00:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 21:00:14,371 INFO L225 Difference]: With dead ends: 179 [2019-09-03 21:00:14,371 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 21:00:14,376 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=161, Invalid=4531, Unknown=0, NotChecked=0, Total=4692 [2019-09-03 21:00:14,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 21:00:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 21:00:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 21:00:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 21:00:14,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2019-09-03 21:00:14,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 21:00:14,405 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 21:00:14,406 INFO L476 AbstractCegarLoop]: Interpolant automaton has 68 states. [2019-09-03 21:00:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 21:00:14,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 21:00:14,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 09:00:14 BoogieIcfgContainer [2019-09-03 21:00:14,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 21:00:14,414 INFO L168 Benchmark]: Toolchain (without parser) took 55327.45 ms. Allocated memory was 140.0 MB in the beginning and 495.5 MB in the end (delta: 355.5 MB). Free memory was 86.2 MB in the beginning and 377.5 MB in the end (delta: -291.3 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,415 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.93 ms. Allocated memory was 140.0 MB in the beginning and 197.7 MB in the end (delta: 57.7 MB). Free memory was 86.0 MB in the beginning and 151.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,417 INFO L168 Benchmark]: Boogie Preprocessor took 201.20 ms. Allocated memory is still 197.7 MB. Free memory was 151.7 MB in the beginning and 139.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,418 INFO L168 Benchmark]: RCFGBuilder took 2031.27 ms. Allocated memory was 197.7 MB in the beginning and 266.3 MB in the end (delta: 68.7 MB). Free memory was 139.3 MB in the beginning and 169.4 MB in the end (delta: -30.1 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,419 INFO L168 Benchmark]: TraceAbstraction took 52175.75 ms. Allocated memory was 266.3 MB in the beginning and 495.5 MB in the end (delta: 229.1 MB). Free memory was 167.2 MB in the beginning and 377.5 MB in the end (delta: -210.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:00:14,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 912.93 ms. Allocated memory was 140.0 MB in the beginning and 197.7 MB in the end (delta: 57.7 MB). Free memory was 86.0 MB in the beginning and 151.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.20 ms. Allocated memory is still 197.7 MB. Free memory was 151.7 MB in the beginning and 139.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2031.27 ms. Allocated memory was 197.7 MB in the beginning and 266.3 MB in the end (delta: 68.7 MB). Free memory was 139.3 MB in the beginning and 169.4 MB in the end (delta: -30.1 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52175.75 ms. Allocated memory was 266.3 MB in the beginning and 495.5 MB in the end (delta: 229.1 MB). Free memory was 167.2 MB in the beginning and 377.5 MB in the end (delta: -210.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1285]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 184 locations, 1 error locations. SAFE Result, 52.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 45.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 70 SDslu, 2145 SDs, 0 SdLazy, 16095 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 529194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...