/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:17:01,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:17:01,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:17:01,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:17:01,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:17:01,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:17:01,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:17:01,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:17:01,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:17:01,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:17:01,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:17:01,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:17:01,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:17:01,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:17:01,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:17:01,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:17:01,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:17:01,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:17:01,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:17:01,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:17:01,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:17:01,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:17:01,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:17:01,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:17:01,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:17:01,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:17:01,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:17:01,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:17:01,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:17:01,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:17:01,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:17:01,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:17:01,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:17:01,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:17:01,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:17:01,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:17:01,519 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 [2020-07-17 12:17:01,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:17:01,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:17:01,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:17:01,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:17:01,547 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:17:01,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:17:01,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:17:01,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:17:01,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:17:01,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:17:01,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:17:01,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:17:01,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:17:01,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:17:01,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:17:01,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:17:01,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:17:01,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:17:01,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:17:01,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:17:01,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:17:01,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:17:01,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:17:01,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:17:01,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:17:01,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:17:01,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:17:01,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:17:01,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:17:01,859 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:17:01,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-17 12:17:01,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2d4b14f/6ea72ad33b644153b6bf240e5c922462/FLAG46e7640e3 [2020-07-17 12:17:02,463 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:17:02,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-17 12:17:02,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2d4b14f/6ea72ad33b644153b6bf240e5c922462/FLAG46e7640e3 [2020-07-17 12:17:02,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2d4b14f/6ea72ad33b644153b6bf240e5c922462 [2020-07-17 12:17:02,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:17:02,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:17:02,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:17:02,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:17:02,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:17:02,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:17:02" (1/1) ... [2020-07-17 12:17:02,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527465e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:02, skipping insertion in model container [2020-07-17 12:17:02,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:17:02" (1/1) ... [2020-07-17 12:17:02,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:17:02,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:17:03,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:17:03,262 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:17:03,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:17:03,365 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:17:03,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03 WrapperNode [2020-07-17 12:17:03,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:17:03,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:17:03,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:17:03,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:17:03,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (1/1) ... [2020-07-17 12:17:03,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:17:03,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:17:03,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:17:03,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:17:03,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (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 [2020-07-17 12:17:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-17 12:17:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-17 12:17:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-17 12:17:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-17 12:17:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-17 12:17:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:17:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 12:17:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:17:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 12:17:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 12:17:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-17 12:17:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-17 12:17:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-17 12:17:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-17 12:17:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-17 12:17:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-17 12:17:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-17 12:17:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 12:17:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-17 12:17:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-17 12:17:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-17 12:17:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:17:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 12:17:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 12:17:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 12:17:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 12:17:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 12:17:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 12:17:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 12:17:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 12:17:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 12:17:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:17:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-17 12:17:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:17:04,599 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:17:04,600 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-17 12:17:04,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:17:04 BoogieIcfgContainer [2020-07-17 12:17:04,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:17:04,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:17:04,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:17:04,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:17:04,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:17:02" (1/3) ... [2020-07-17 12:17:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c1e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:17:04, skipping insertion in model container [2020-07-17 12:17:04,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:17:03" (2/3) ... [2020-07-17 12:17:04,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c1e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:17:04, skipping insertion in model container [2020-07-17 12:17:04,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:17:04" (3/3) ... [2020-07-17 12:17:04,622 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-07-17 12:17:04,630 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:17:04,638 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:17:04,649 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:17:04,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:17:04,672 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:17:04,673 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:17:04,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:17:04,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:17:04,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:17:04,674 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:17:04,674 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:17:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-17 12:17:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 12:17:04,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:17:04,709 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] [2020-07-17 12:17:04,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:17:04,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:17:04,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1652927245, now seen corresponding path program 1 times [2020-07-17 12:17:04,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:17:04,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903324415] [2020-07-17 12:17:04,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:17:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:05,253 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 12:17:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:17:05,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903324415] [2020-07-17 12:17:05,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:17:05,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 12:17:05,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147091060] [2020-07-17 12:17:05,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:17:05,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:17:05,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:17:05,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:17:05,416 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 5 states. [2020-07-17 12:17:05,613 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 12:17:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:17:07,049 INFO L93 Difference]: Finished difference Result 264 states and 405 transitions. [2020-07-17 12:17:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 12:17:07,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-07-17 12:17:07,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:17:07,067 INFO L225 Difference]: With dead ends: 264 [2020-07-17 12:17:07,067 INFO L226 Difference]: Without dead ends: 140 [2020-07-17 12:17:07,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:17:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-17 12:17:07,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 120. [2020-07-17 12:17:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-17 12:17:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2020-07-17 12:17:07,148 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 39 [2020-07-17 12:17:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:17:07,149 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2020-07-17 12:17:07,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:17:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2020-07-17 12:17:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-17 12:17:07,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:17:07,153 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] [2020-07-17 12:17:07,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:17:07,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:17:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:17:07,154 INFO L82 PathProgramCache]: Analyzing trace with hash -296822387, now seen corresponding path program 1 times [2020-07-17 12:17:07,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:17:07,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974711279] [2020-07-17 12:17:07,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:17:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:07,409 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 12:17:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:17:07,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974711279] [2020-07-17 12:17:07,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350150452] [2020-07-17 12:17:07,504 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:17:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:17:07,695 INFO L264 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 12:17:07,703 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:17:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:17:07,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:17:07,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2020-07-17 12:17:07,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931623534] [2020-07-17 12:17:07,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:17:07,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:17:07,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:17:07,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:17:07,785 INFO L87 Difference]: Start difference. First operand 120 states and 166 transitions. Second operand 4 states. [2020-07-17 12:17:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:17:07,821 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2020-07-17 12:17:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 12:17:07,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-17 12:17:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:17:07,823 INFO L225 Difference]: With dead ends: 120 [2020-07-17 12:17:07,823 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:17:07,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:17:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:17:07,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:17:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:17:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:17:07,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-07-17 12:17:07,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:17:07,827 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:17:07,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:17:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:17:07,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:17:08,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:17:08,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:17:09,086 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-07-17 12:17:09,227 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-17 12:17:09,227 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-17 12:17:09,227 INFO L264 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,227 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,228 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-17 12:17:09,228 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-17 12:17:09,228 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-17 12:17:09,228 INFO L264 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,228 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-17 12:17:09,228 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-17 12:17:09,229 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-17 12:17:09,229 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-17 12:17:09,229 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-17 12:17:09,229 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-17 12:17:09,229 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-17 12:17:09,229 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-17 12:17:09,230 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-17 12:17:09,230 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-17 12:17:09,230 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-17 12:17:09,230 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-17 12:17:09,231 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-17 12:17:09,231 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-17 12:17:09,231 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-17 12:17:09,231 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-17 12:17:09,231 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-17 12:17:09,232 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-17 12:17:09,233 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-17 12:17:09,233 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-17 12:17:09,233 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-17 12:17:09,233 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-17 12:17:09,233 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-17 12:17:09,234 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-17 12:17:09,234 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-17 12:17:09,234 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-17 12:17:09,234 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-17 12:17:09,234 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-17 12:17:09,234 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-17 12:17:09,235 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-17 12:17:09,235 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-17 12:17:09,235 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-17 12:17:09,235 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-17 12:17:09,235 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,236 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-17 12:17:09,236 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-17 12:17:09,236 INFO L264 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,236 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-17 12:17:09,237 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-17 12:17:09,238 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-17 12:17:09,238 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-17 12:17:09,238 INFO L264 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 12:17:09,238 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-17 12:17:09,239 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-17 12:17:09,239 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-17 12:17:09,239 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-17 12:17:09,239 INFO L271 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: true [2020-07-17 12:17:09,239 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-17 12:17:09,240 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-17 12:17:09,240 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-17 12:17:09,240 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-17 12:17:09,240 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-17 12:17:09,240 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-17 12:17:09,241 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-17 12:17:09,241 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-17 12:17:09,241 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-17 12:17:09,241 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-17 12:17:09,242 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-17 12:17:09,242 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-17 12:17:09,242 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-17 12:17:09,242 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-17 12:17:09,242 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-17 12:17:09,243 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-17 12:17:09,243 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-17 12:17:09,243 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-17 12:17:09,243 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-17 12:17:09,243 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-17 12:17:09,243 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-07-17 12:17:09,244 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-07-17 12:17:09,244 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-17 12:17:09,244 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-17 12:17:09,244 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-17 12:17:09,244 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-17 12:17:09,245 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-17 12:17:09,246 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-17 12:17:09,246 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-17 12:17:09,246 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-17 12:17:09,246 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-17 12:17:09,246 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-17 12:17:09,247 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-17 12:17:09,247 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-17 12:17:09,247 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-17 12:17:09,247 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-17 12:17:09,247 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-17 12:17:09,248 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-17 12:17:09,248 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-17 12:17:09,248 INFO L271 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: true [2020-07-17 12:17:09,248 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-07-17 12:17:09,248 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-17 12:17:09,249 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-17 12:17:09,249 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-17 12:17:09,249 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-17 12:17:09,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:17:09,250 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |#t~string35.base| |old(#t~string35.base)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|)) [2020-07-17 12:17:09,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:17:09,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:17:09,250 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 12:17:09,250 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:17:09,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:17:09,251 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-17 12:17:09,251 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-17 12:17:09,251 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-17 12:17:09,251 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-17 12:17:09,252 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-17 12:17:09,252 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:17:09,252 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-17 12:17:09,252 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-17 12:17:09,252 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-17 12:17:09,253 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-17 12:17:09,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:17:09 BoogieIcfgContainer [2020-07-17 12:17:09,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:17:09,268 INFO L168 Benchmark]: Toolchain (without parser) took 6474.36 ms. Allocated memory was 135.3 MB in the beginning and 304.1 MB in the end (delta: 168.8 MB). Free memory was 98.8 MB in the beginning and 85.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 182.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,269 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.56 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.4 MB in the beginning and 171.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,271 INFO L168 Benchmark]: Boogie Preprocessor took 108.30 ms. Allocated memory is still 200.3 MB. Free memory was 171.0 MB in the beginning and 166.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,272 INFO L168 Benchmark]: RCFGBuilder took 1134.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 104.3 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,273 INFO L168 Benchmark]: TraceAbstraction took 4652.43 ms. Allocated memory was 200.3 MB in the beginning and 304.1 MB in the end (delta: 103.8 MB). Free memory was 103.6 MB in the beginning and 85.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 122.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:17:09,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 570.56 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.4 MB in the beginning and 171.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.30 ms. Allocated memory is still 200.3 MB. Free memory was 171.0 MB in the beginning and 166.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1134.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 104.3 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4652.43 ms. Allocated memory was 200.3 MB in the beginning and 304.1 MB in the end (delta: 103.8 MB). Free memory was 103.6 MB in the beginning and 85.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 122.3 MB. 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, 132 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 319 SDtfs, 228 SDslu, 410 SDs, 0 SdLazy, 262 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 92 NumberOfFragments, 247 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 2252 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 15034 SizeOfPredicates, 2 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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...