/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 14:04:56,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:04:56,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:04:56,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:04:56,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:04:56,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:04:56,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:04:56,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:04:56,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:04:56,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:04:56,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:04:56,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:04:56,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:04:56,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:04:56,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:04:56,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:04:56,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:04:56,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:04:56,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:04:56,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:04:56,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:04:56,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:04:56,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:04:56,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:04:56,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 14:04:56,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:04:56,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:04:56,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:04:56,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 14:04:56,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:04:56,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:04:56,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:04:56,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:04:56,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:04:56,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:04:56,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:04:56,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:04:56,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:04:56,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:04:56,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:04:56,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:04:56,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:04:56,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:04:56,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:04:56,474 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:04:56,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:04:56,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:04:56,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:04:56,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:04:56,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:04:56,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:04:56,476 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:04:56,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:04:56,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:04:56,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:04:56,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:04:56,836 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:04:56,837 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-07 14:04:56,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d90d66c/fbbc1877a58349c093d0d50c73ab2150/FLAG100718d4e [2020-07-07 14:04:57,569 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:04:57,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-07 14:04:57,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d90d66c/fbbc1877a58349c093d0d50c73ab2150/FLAG100718d4e [2020-07-07 14:04:57,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d90d66c/fbbc1877a58349c093d0d50c73ab2150 [2020-07-07 14:04:57,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:04:57,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:04:57,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:04:57,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:04:57,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:04:57,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:04:57" (1/1) ... [2020-07-07 14:04:57,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3168b03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:57, skipping insertion in model container [2020-07-07 14:04:57,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:04:57" (1/1) ... [2020-07-07 14:04:57,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:04:57,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:04:58,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:04:58,402 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:04:58,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:04:58,511 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:04:58,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58 WrapperNode [2020-07-07 14:04:58,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:04:58,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:04:58,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:04:58,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:04:58,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (1/1) ... [2020-07-07 14:04:58,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:04:58,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:04:58,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:04:58,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:04:58,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (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 [2020-07-07 14:04:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:04:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:04:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-07 14:04:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-07 14:04:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-07 14:04:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-07 14:04:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-07 14:04:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-07 14:04:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-07 14:04:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-07 14:04:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-07 14:04:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:04:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 14:04:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:04:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-07 14:04:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-07 14:04:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-07 14:04:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-07 14:04:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-07 14:04:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-07 14:04:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-07 14:04:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-07 14:04:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 14:04:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 14:04:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 14:04:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 14:04:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 14:04:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 14:04:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 14:04:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 14:04:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 14:04:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:04:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-07 14:04:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:05:00,294 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:05:00,294 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-07 14:05:00,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:05:00 BoogieIcfgContainer [2020-07-07 14:05:00,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:05:00,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:05:00,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:05:00,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:05:00,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:04:57" (1/3) ... [2020-07-07 14:05:00,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2417bb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:05:00, skipping insertion in model container [2020-07-07 14:05:00,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:04:58" (2/3) ... [2020-07-07 14:05:00,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2417bb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:05:00, skipping insertion in model container [2020-07-07 14:05:00,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:05:00" (3/3) ... [2020-07-07 14:05:00,317 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-07-07 14:05:00,332 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:05:00,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:05:00,365 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:05:00,395 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:05:00,395 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:05:00,395 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:05:00,395 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:05:00,395 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:05:00,396 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:05:00,396 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:05:00,396 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:05:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states. [2020-07-07 14:05:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 14:05:00,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:05:00,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:05:00,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:05:00,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:05:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash 939617987, now seen corresponding path program 1 times [2020-07-07 14:05:00,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:05:00,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138090163] [2020-07-07 14:05:00,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:05:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:05:01,159 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-07 14:05:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:05:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:05:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:05:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:05:01,337 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:05:01,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138090163] [2020-07-07 14:05:01,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:05:01,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 14:05:01,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698398456] [2020-07-07 14:05:01,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 14:05:01,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:05:01,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 14:05:01,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 14:05:01,376 INFO L87 Difference]: Start difference. First operand 504 states. Second operand 4 states. [2020-07-07 14:05:01,581 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-07 14:05:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:05:03,092 INFO L93 Difference]: Finished difference Result 881 states and 1001 transitions. [2020-07-07 14:05:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 14:05:03,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2020-07-07 14:05:03,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:05:03,130 INFO L225 Difference]: With dead ends: 881 [2020-07-07 14:05:03,131 INFO L226 Difference]: Without dead ends: 490 [2020-07-07 14:05:03,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 14:05:03,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-07-07 14:05:03,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2020-07-07 14:05:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-07-07 14:05:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 536 transitions. [2020-07-07 14:05:03,373 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 536 transitions. Word has length 173 [2020-07-07 14:05:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:05:03,377 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 536 transitions. [2020-07-07 14:05:03,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 14:05:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 536 transitions. [2020-07-07 14:05:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 14:05:03,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:05:03,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:05:03,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:05:03,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:05:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:05:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1854047357, now seen corresponding path program 1 times [2020-07-07 14:05:03,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:05:03,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754768566] [2020-07-07 14:05:03,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:05:03,532 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:05:03,532 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 14:05:03,533 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 14:05:03,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 14:05:03,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 02:05:03 BoogieIcfgContainer [2020-07-07 14:05:03,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 14:05:03,577 INFO L168 Benchmark]: Toolchain (without parser) took 5741.62 ms. Allocated memory was 136.3 MB in the beginning and 301.5 MB in the end (delta: 165.2 MB). Free memory was 100.1 MB in the beginning and 262.4 MB in the end (delta: -162.3 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,578 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.16 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 171.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,580 INFO L168 Benchmark]: Boogie Preprocessor took 125.55 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,581 INFO L168 Benchmark]: RCFGBuilder took 1665.67 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.8 MB in the beginning and 193.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,582 INFO L168 Benchmark]: TraceAbstraction took 3267.66 ms. Allocated memory was 231.2 MB in the beginning and 301.5 MB in the end (delta: 70.3 MB). Free memory was 192.0 MB in the beginning and 262.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 128.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:03,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.16 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 171.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.55 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1665.67 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.8 MB in the beginning and 193.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3267.66 ms. Allocated memory was 231.2 MB in the beginning and 301.5 MB in the end (delta: 70.3 MB). Free memory was 192.0 MB in the beginning and 262.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 128.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 461]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L179] unsigned int Id_MCDC_104; [L180] UINT16 Id_MCDC_105; [L181] UINT16 Id_MCDC_106; [L182] Od_IndexTable* Id_MCDC_107; [L183] Od_IndexTable* Id_MCDC_108; [L184] Od_IndexTable* Id_MCDC_109; [L185] Od_IndexTable* Id_MCDC_110; [L186] Od_IndexTable* Id_MCDC_111; [L187] UINT32 Id_MCDC_112 [4]; [L188] CanOpenNode Id_MCDC_113; [L189] UINT32 Id_MCDC_114=0; [L427] void * Id_MCDC_143; [L428] void * Id_MCDC_144; [L429] void * Id_MCDC_145; [L430] void * Id_MCDC_146; [L431] void * Id_MCDC_147; [L432] void * Id_MCDC_148; [L433] int Id_MCDC_149; [L434] int Id_MCDC_150; [L435] int Id_MCDC_151; [L436] int Id_MCDC_152; [L437] int Id_MCDC_153; [L438] int Id_MCDC_154; [L439] int Id_MCDC_155; [L440] short Id_MCDC_156; [L441] short Id_MCDC_157; [L442] FILE* Id_MCDC_158; [L443] unsigned short Id_MCDC_159; [L444] unsigned short Id_MCDC_160; [L445] unsigned short Id_MCDC_161=0; [L446] unsigned short Id_MCDC_162=0; [L447] char Id_MCDC_163; [L448] char Id_MCDC_164; [L449] Id_MCDC_158 = fopen("in.eds", "r") [L450] COND FALSE !(Id_MCDC_158 == (( void * ) 0)) [L455] CALL Id_MCDC_100() [L420] int Id_MCDC_141; [L421] void * Id_MCDC_142; [L422] CALL Id_MCDC_99() [L400] CHAR Id_MCDC_139 [4]={0, 0, 0, 0}; [L401] UINT32 Id_MCDC_140=0; [L402] Id_MCDC_113.Id_MCDC_66 = ( PDO_Buffer* ) malloc(372) [L403] CALL Id_MCDC_97() [L331] UINT32 Id_MCDC_123; [L332] UINT32 Id_MCDC_124; [L333] UINT32 Id_MCDC_125; [L334] UINT32 Id_MCDC_126; [L335] UINT32 Id_MCDC_127; [L336] UINT32 Id_MCDC_128=0x00; [L337] UINT16 Id_MCDC_129; [L338] UINT32 Id_MCDC_130=0x00; [L339] UINT32 Id_MCDC_131=0x00; [L340] UINT8 Id_MCDC_35=0; [L341] UINT8 Id_MCDC_132=0; [L342] UINT8 Id_MCDC_36=0; [L343] UINT8 Id_MCDC_133=0; [L344] UINT8 Id_MCDC_134=0x00; [L345] INT32 Id_MCDC_135; [L346] void * Id_MCDC_136; [L347] UINT32* Id_MCDC_137; [L348] UINT16 Id_MCDC_138; [L349] Id_MCDC_123 = 0x1800 [L350] Id_MCDC_132 = 0 [L350] COND FALSE !(Id_MCDC_132 < 4) [L354] COND FALSE !(Id_MCDC_123 <= 0x1803) [L396] return 0x00; [L336] UINT32 Id_MCDC_128=0x00; [L396] return 0x00; [L338] UINT32 Id_MCDC_130=0x00; [L396] return 0x00; [L339] UINT32 Id_MCDC_131=0x00; [L396] return 0x00; [L396] return 0x00; [L396] return 0x00; [L403] RET Id_MCDC_97() [L404] Id_MCDC_140 = 0 [L404] COND FALSE !(Id_MCDC_140 < 4) [L415] CALL Id_MCDC_95(4, Id_MCDC_139) [L280] UINT32 Id_MCDC_121=0; [L281] UINT32 Id_MCDC_122=0; [L282] COND FALSE !(Id_MCDC_93 < 2) [L286] COND FALSE !(Id_MCDC_93 != 2) [L292] EXPR Id_MCDC_94[1] [L292] Id_MCDC_122 = Id_MCDC_94[1] [L294] EXPR Id_MCDC_94[0] [L294] CALL Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122) [L249] UINT32 Id_MCDC_117=0; [L250] UINT32 Id_MCDC_118=0; [L251] UINT32 Id_MCDC_119=1; [L252] UINT32 Id_MCDC_120=0; [L253] COND TRUE Id_MCDC_90 > Id_MCDC_91 [L255] Id_MCDC_117 = Id_MCDC_90 [L256] Id_MCDC_118 = Id_MCDC_91 [L268] COND TRUE Id_MCDC_119 != 0 [L270] CALL avoid_zero(Id_MCDC_118 != 0) [L9] COND FALSE !(!y) [L270] RET avoid_zero(Id_MCDC_118 != 0) [L271] Id_MCDC_120 = ( UINT32 ) (Id_MCDC_117 / Id_MCDC_118) [L272] CALL __VERIFIER_assert(( long long ) (Id_MCDC_117 - (Id_MCDC_120 * Id_MCDC_118)) >= 0 && ( long long ) (Id_MCDC_117 - (Id_MCDC_120 * Id_MCDC_118)) <= 4294967295) [L459] COND TRUE ! (Id_MCDC_103) [L461] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 509 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 513 SDtfs, 529 SDslu, 143 SDs, 0 SdLazy, 428 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=504occurred 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: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...