/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:04:01,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:04:01,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:04:01,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:04:01,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:04:01,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:04:01,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:04:01,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:04:01,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:04:01,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:04:01,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:04:01,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:04:01,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:04:01,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:04:01,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:04:01,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:04:01,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:04:01,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:04:01,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:04:01,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:04:01,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:04:01,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:04:01,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:04:01,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:04:01,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:04:01,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:04:01,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:04:01,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:04:01,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:04:01,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 12:04:01,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:04:01,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:04:01,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:04:01,405 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 [2020-07-21 12:04:01,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:04:01,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:04:01,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:04:01,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:04:01,426 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:04:01,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:04:01,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:04:01,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:04:01,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:04:01,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:04:01,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:04:01,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:04:01,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:04:01,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:04:01,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:04:01,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:04:01,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:04:01,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:04:01,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:04:01,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:04:01,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:04:01,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:04:01,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:04:01,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:04:01,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:04:01,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:04:01,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:01,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:04:01,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:04:01,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 12:04:01,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:04:01,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:04:01,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:04:01,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:04:01,825 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:04:01,827 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-21 12:04:01,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b6cb343/1c9211d9fa8840f5952c08161eb2b04f/FLAG0056a3a54 [2020-07-21 12:04:02,554 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:04:02,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-21 12:04:02,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b6cb343/1c9211d9fa8840f5952c08161eb2b04f/FLAG0056a3a54 [2020-07-21 12:04:02,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b6cb343/1c9211d9fa8840f5952c08161eb2b04f [2020-07-21 12:04:02,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:04:02,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:04:02,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:04:02,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:04:02,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:04:02,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:04:02" (1/1) ... [2020-07-21 12:04:02,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f08ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:02, skipping insertion in model container [2020-07-21 12:04:02,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:04:02" (1/1) ... [2020-07-21 12:04:02,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:04:02,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:04:03,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:04:03,380 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:04:03,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:04:03,512 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:04:03,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03 WrapperNode [2020-07-21 12:04:03,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:04:03,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:04:03,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:04:03,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:04:03,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (1/1) ... [2020-07-21 12:04:03,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:04:03,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:04:03,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:04:03,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:04:03,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (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 [2020-07-21 12:04:03,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:04:03,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:04:03,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 12:04:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-21 12:04:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-21 12:04:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-21 12:04:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-21 12:04:03,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-21 12:04:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-21 12:04:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-21 12:04:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-21 12:04:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:04:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 12:04:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:04:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 12:04:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 12:04:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-21 12:04:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-21 12:04:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 12:04:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-21 12:04:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-21 12:04:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-21 12:04:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-21 12:04:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:04:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-21 12:04:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-21 12:04:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 12:04:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:04:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 12:04:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:04:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:04:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:04:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:04:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:04:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:04:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:04:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:04:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:04:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 12:04:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:04:04,910 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:04:04,911 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-21 12:04:04,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:04:04 BoogieIcfgContainer [2020-07-21 12:04:04,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:04:04,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:04:04,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:04:04,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:04:04,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:04:02" (1/3) ... [2020-07-21 12:04:04,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0bc9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:04:04, skipping insertion in model container [2020-07-21 12:04:04,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:03" (2/3) ... [2020-07-21 12:04:04,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0bc9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:04:04, skipping insertion in model container [2020-07-21 12:04:04,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:04:04" (3/3) ... [2020-07-21 12:04:04,928 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2020-07-21 12:04:04,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:04:04,948 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:04:04,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:04:04,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:04:04,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:04:04,988 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:04:04,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:04:04,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:04:04,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:04:04,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:04:04,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:04:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-07-21 12:04:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 12:04:05,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:04:05,027 INFO L422 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] [2020-07-21 12:04:05,027 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:04:05,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:04:05,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1328586124, now seen corresponding path program 1 times [2020-07-21 12:04:05,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:04:05,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94426978] [2020-07-21 12:04:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:04:05,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:04:05,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:04:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:04:05,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:04:05,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94426978] [2020-07-21 12:04:05,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:04:05,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:04:05,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582494521] [2020-07-21 12:04:05,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:04:05,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:04:05,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:04:05,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:04:05,438 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-07-21 12:04:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:04:05,491 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2020-07-21 12:04:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:04:05,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 43 [2020-07-21 12:04:05,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:04:05,508 INFO L225 Difference]: With dead ends: 243 [2020-07-21 12:04:05,509 INFO L226 Difference]: Without dead ends: 120 [2020-07-21 12:04:05,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:04:05,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-21 12:04:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-21 12:04:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-21 12:04:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2020-07-21 12:04:05,595 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 43 [2020-07-21 12:04:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:04:05,596 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2020-07-21 12:04:05,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:04:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2020-07-21 12:04:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 12:04:05,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:04:05,601 INFO L422 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] [2020-07-21 12:04:05,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:05,816 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:04:05,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:04:05,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2008644494, now seen corresponding path program 1 times [2020-07-21 12:04:05,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:04:05,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437865466] [2020-07-21 12:04:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:04:06,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:04:06,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:04:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:04:06,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:04:06,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437865466] [2020-07-21 12:04:06,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:04:06,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:04:06,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985718463] [2020-07-21 12:04:06,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:04:06,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:04:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:04:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:04:06,093 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand 3 states. [2020-07-21 12:04:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:04:06,195 INFO L93 Difference]: Finished difference Result 246 states and 352 transitions. [2020-07-21 12:04:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:04:06,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-07-21 12:04:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:04:06,210 INFO L225 Difference]: With dead ends: 246 [2020-07-21 12:04:06,210 INFO L226 Difference]: Without dead ends: 141 [2020-07-21 12:04:06,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:04:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-21 12:04:06,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 121. [2020-07-21 12:04:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 12:04:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2020-07-21 12:04:06,259 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 43 [2020-07-21 12:04:06,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:04:06,268 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2020-07-21 12:04:06,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:04:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2020-07-21 12:04:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-21 12:04:06,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:04:06,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-07-21 12:04:06,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:06,481 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:04:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:04:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1267708452, now seen corresponding path program 1 times [2020-07-21 12:04:06,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:04:06,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501622401] [2020-07-21 12:04:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:04:06,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 12:04:06,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:04:06,725 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 12:04:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 12:04:06,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:04:06,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501622401] [2020-07-21 12:04:06,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:04:06,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:04:06,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561470955] [2020-07-21 12:04:06,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:04:06,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:04:06,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:04:06,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:04:06,803 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand 5 states. [2020-07-21 12:04:06,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:04:06,886 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2020-07-21 12:04:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:04:06,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-07-21 12:04:06,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:04:06,889 INFO L225 Difference]: With dead ends: 149 [2020-07-21 12:04:06,889 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:04:06,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:04:06,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:04:06,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:04:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:04:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:04:06,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2020-07-21 12:04:06,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:04:06,894 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:04:06,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:04:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:04:06,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:04:07,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:07,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:04:07,285 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-21 12:04:07,285 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-21 12:04:07,285 INFO L271 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: true [2020-07-21 12:04:07,285 INFO L271 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: true [2020-07-21 12:04:07,286 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 12:04:07,286 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-21 12:04:07,286 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-21 12:04:07,286 INFO L271 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: true [2020-07-21 12:04:07,286 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-21 12:04:07,287 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-21 12:04:07,287 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-21 12:04:07,287 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-21 12:04:07,287 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-21 12:04:07,287 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-21 12:04:07,287 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-21 12:04:07,288 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 12:04:07,288 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 12:04:07,288 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-21 12:04:07,288 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-21 12:04:07,288 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-21 12:04:07,288 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-21 12:04:07,289 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-21 12:04:07,290 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-21 12:04:07,291 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-21 12:04:07,291 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-21 12:04:07,292 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 12:04:07,292 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-21 12:04:07,292 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-21 12:04:07,292 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-21 12:04:07,292 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-21 12:04:07,293 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-21 12:04:07,293 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: true [2020-07-21 12:04:07,293 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-21 12:04:07,293 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-21 12:04:07,293 INFO L271 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-07-21 12:04:07,293 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-21 12:04:07,294 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-21 12:04:07,295 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-21 12:04:07,295 INFO L271 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: true [2020-07-21 12:04:07,295 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-21 12:04:07,295 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-21 12:04:07,295 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-21 12:04:07,295 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-21 12:04:07,296 INFO L271 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: true [2020-07-21 12:04:07,296 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-21 12:04:07,296 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-21 12:04:07,296 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-21 12:04:07,296 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-21 12:04:07,296 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-21 12:04:07,297 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-21 12:04:07,297 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-21 12:04:07,297 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-21 12:04:07,297 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-21 12:04:07,297 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-21 12:04:07,297 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-21 12:04:07,298 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-21 12:04:07,298 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 12:04:07,298 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-21 12:04:07,298 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-21 12:04:07,298 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-07-21 12:04:07,298 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-07-21 12:04:07,299 INFO L264 CegarLoopResult]: At program point L296-2(line 296) the Hoare annotation is: |Id_MCDC_95_#t~short23| [2020-07-21 12:04:07,299 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 12:04:07,299 INFO L268 CegarLoopResult]: For program point L296-3(line 296) no Hoare annotation was computed. [2020-07-21 12:04:07,299 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-21 12:04:07,299 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 12:04:07,299 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:04:07,300 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:04:07,300 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-21 12:04:07,300 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-07-21 12:04:07,300 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-21 12:04:07,300 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-21 12:04:07,300 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-21 12:04:07,301 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:04:07,302 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-21 12:04:07,302 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-21 12:04:07,302 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:04:07,302 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-21 12:04:07,302 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-21 12:04:07,302 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-21 12:04:07,302 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-21 12:04:07,303 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-21 12:04:07,303 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-21 12:04:07,303 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-21 12:04:07,303 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-21 12:04:07,303 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 12:04:07,303 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:04:07,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:04:07,305 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 12:04:07,305 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:04:07,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:04:07,305 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-21 12:04:07,305 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-21 12:04:07,305 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-21 12:04:07,305 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-21 12:04:07,306 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-21 12:04:07,306 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 12:04:07,306 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-21 12:04:07,306 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-21 12:04:07,306 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-21 12:04:07,306 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-21 12:04:07,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:04:07 BoogieIcfgContainer [2020-07-21 12:04:07,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:04:07,327 INFO L168 Benchmark]: Toolchain (without parser) took 4468.27 ms. Allocated memory was 135.3 MB in the beginning and 256.4 MB in the end (delta: 121.1 MB). Free memory was 99.0 MB in the beginning and 186.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:04:07,328 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 135.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:04:07,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.94 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 98.5 MB in the beginning and 169.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:04:07,330 INFO L168 Benchmark]: Boogie Preprocessor took 104.63 ms. Allocated memory is still 199.8 MB. Free memory was 169.6 MB in the beginning and 166.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:04:07,331 INFO L168 Benchmark]: RCFGBuilder took 1298.32 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 102.1 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:04:07,332 INFO L168 Benchmark]: TraceAbstraction took 2404.00 ms. Allocated memory was 199.8 MB in the beginning and 256.4 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 186.6 MB in the end (delta: -84.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:04:07,336 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 135.3 MB. Free memory is still 117.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.94 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 98.5 MB in the beginning and 169.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.63 ms. Allocated memory is still 199.8 MB. Free memory was 169.6 MB in the beginning and 166.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1298.32 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 102.1 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2404.00 ms. Allocated memory was 199.8 MB in the beginning and 256.4 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 186.6 MB in the end (delta: -84.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 518 SDtfs, 24 SDslu, 638 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 112 PreInvPairs, 129 NumberOfFragments, 34 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 6108 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1649 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...