/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 12:14:01,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 12:14:01,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 12:14:01,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 12:14:01,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 12:14:01,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 12:14:01,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 12:14:01,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 12:14:01,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 12:14:01,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 12:14:01,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 12:14:01,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 12:14:01,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 12:14:01,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 12:14:01,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 12:14:01,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 12:14:01,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 12:14:01,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 12:14:01,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 12:14:01,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 12:14:01,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 12:14:01,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 12:14:01,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 12:14:01,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 12:14:01,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 12:14:01,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 12:14:01,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 12:14:01,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 12:14:01,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 12:14:01,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 12:14:01,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 12:14:01,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 12:14:01,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 12:14:01,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 12:14:01,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 12:14:01,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 12:14:01,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 12:14:01,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 12:14:01,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 12:14:01,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 12:14:01,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 12:14:01,807 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 [2020-07-20 12:14:01,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 12:14:01,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 12:14:01,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 12:14:01,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 12:14:01,839 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 12:14:01,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 12:14:01,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 12:14:01,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 12:14:01,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 12:14:01,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 12:14:01,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 12:14:01,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 12:14:01,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 12:14:01,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 12:14:01,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 12:14:01,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 12:14:01,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 12:14:01,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 12:14:01,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 12:14:01,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 12:14:01,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 12:14:01,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:14:01,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 12:14:01,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 12:14:01,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 12:14:01,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 12:14:01,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:01,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 12:14:01,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 12:14:01,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 12:14:02,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 12:14:02,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 12:14:02,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 12:14:02,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 12:14:02,251 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 12:14:02,252 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-20 12:14:02,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3284ed8b4/ec5b6f6c6a564b7c9472b657534258ae/FLAG2c0debba6 [2020-07-20 12:14:03,056 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 12:14:03,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2020-07-20 12:14:03,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3284ed8b4/ec5b6f6c6a564b7c9472b657534258ae/FLAG2c0debba6 [2020-07-20 12:14:03,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3284ed8b4/ec5b6f6c6a564b7c9472b657534258ae [2020-07-20 12:14:03,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 12:14:03,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 12:14:03,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 12:14:03,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 12:14:03,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 12:14:03,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:03,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b17544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03, skipping insertion in model container [2020-07-20 12:14:03,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:03,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 12:14:03,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 12:14:03,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:14:03,844 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 12:14:03,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:14:03,968 INFO L208 MainTranslator]: Completed translation [2020-07-20 12:14:03,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03 WrapperNode [2020-07-20 12:14:03,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 12:14:03,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 12:14:03,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 12:14:03,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 12:14:03,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:03,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (1/1) ... [2020-07-20 12:14:04,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 12:14:04,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 12:14:04,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 12:14:04,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 12:14:04,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (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 [2020-07-20 12:14:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 12:14:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 12:14:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 12:14:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-20 12:14:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-20 12:14:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-20 12:14:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-20 12:14:04,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-20 12:14:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-20 12:14:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-20 12:14:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-20 12:14:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 12:14:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 12:14:04,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 12:14:04,254 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 12:14:04,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 12:14:04,255 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-20 12:14:04,256 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-20 12:14:04,256 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-20 12:14:04,256 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-20 12:14:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-20 12:14:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-20 12:14:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-20 12:14:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 12:14:04,258 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-20 12:14:04,259 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-20 12:14:04,259 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-20 12:14:04,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 12:14:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 12:14:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 12:14:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 12:14:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 12:14:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 12:14:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 12:14:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 12:14:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 12:14:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 12:14:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 12:14:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-20 12:14:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 12:14:05,433 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 12:14:05,434 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-20 12:14:05,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:14:05 BoogieIcfgContainer [2020-07-20 12:14:05,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 12:14:05,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 12:14:05,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 12:14:05,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 12:14:05,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:14:03" (1/3) ... [2020-07-20 12:14:05,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20138b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:14:05, skipping insertion in model container [2020-07-20 12:14:05,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:14:03" (2/3) ... [2020-07-20 12:14:05,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20138b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:14:05, skipping insertion in model container [2020-07-20 12:14:05,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:14:05" (3/3) ... [2020-07-20 12:14:05,457 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2020-07-20 12:14:05,473 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 12:14:05,484 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 12:14:05,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 12:14:05,547 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 12:14:05,547 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 12:14:05,559 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 12:14:05,560 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 12:14:05,560 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 12:14:05,560 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 12:14:05,560 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 12:14:05,561 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 12:14:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-07-20 12:14:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-20 12:14:05,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:14:05,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:14:05,610 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:14:05,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:14:05,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1328586124, now seen corresponding path program 1 times [2020-07-20 12:14:05,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:14:05,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292770057] [2020-07-20 12:14:05,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:14:05,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 12:14:05,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:14:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:14:05,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:14:05,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292770057] [2020-07-20 12:14:05,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:14:05,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 12:14:05,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049714354] [2020-07-20 12:14:05,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 12:14:05,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:14:05,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 12:14:05,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 12:14:06,001 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-07-20 12:14:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:14:06,061 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2020-07-20 12:14:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 12:14:06,064 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 43 [2020-07-20 12:14:06,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:14:06,087 INFO L225 Difference]: With dead ends: 243 [2020-07-20 12:14:06,088 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 12:14:06,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 12:14:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 12:14:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-20 12:14:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 12:14:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2020-07-20 12:14:06,167 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 43 [2020-07-20 12:14:06,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:14:06,168 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2020-07-20 12:14:06,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 12:14:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2020-07-20 12:14:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-20 12:14:06,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:14:06,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:14:06,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:06,391 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:14:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:14:06,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2008644494, now seen corresponding path program 1 times [2020-07-20 12:14:06,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:14:06,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356495357] [2020-07-20 12:14:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:14:06,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 12:14:06,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:14:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:14:06,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:14:06,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356495357] [2020-07-20 12:14:06,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:14:06,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:14:06,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771029613] [2020-07-20 12:14:06,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:14:06,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:14:06,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:14:06,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:14:06,654 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand 3 states. [2020-07-20 12:14:06,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:14:06,717 INFO L93 Difference]: Finished difference Result 246 states and 352 transitions. [2020-07-20 12:14:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:14:06,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-07-20 12:14:06,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:14:06,725 INFO L225 Difference]: With dead ends: 246 [2020-07-20 12:14:06,725 INFO L226 Difference]: Without dead ends: 141 [2020-07-20 12:14:06,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:14:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-20 12:14:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 121. [2020-07-20 12:14:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-20 12:14:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2020-07-20 12:14:06,756 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 43 [2020-07-20 12:14:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:14:06,757 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2020-07-20 12:14:06,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:14:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2020-07-20 12:14:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-20 12:14:06,761 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:14:06,761 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:14:06,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:06,976 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:14:06,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:14:06,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1267708452, now seen corresponding path program 1 times [2020-07-20 12:14:06,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:14:06,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968202623] [2020-07-20 12:14:06,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:14:07,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 12:14:07,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:14:07,259 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 12:14:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 12:14:07,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:14:07,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968202623] [2020-07-20 12:14:07,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:14:07,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 12:14:07,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850340177] [2020-07-20 12:14:07,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 12:14:07,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:14:07,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 12:14:07,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 12:14:07,291 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand 5 states. [2020-07-20 12:14:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:14:09,351 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2020-07-20 12:14:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 12:14:09,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-07-20 12:14:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:14:09,378 INFO L225 Difference]: With dead ends: 149 [2020-07-20 12:14:09,379 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 12:14:09,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:14:09,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 12:14:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 12:14:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 12:14:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 12:14:09,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2020-07-20 12:14:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:14:09,381 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 12:14:09,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 12:14:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 12:14:09,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 12:14:09,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:14:09,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 12:14:09,861 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-20 12:14:09,862 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-20 12:14:09,863 INFO L271 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: true [2020-07-20 12:14:09,863 INFO L271 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: true [2020-07-20 12:14:09,863 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 12:14:09,864 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-20 12:14:09,864 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-20 12:14:09,864 INFO L271 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: true [2020-07-20 12:14:09,864 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-20 12:14:09,864 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-20 12:14:09,865 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-20 12:14:09,865 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-20 12:14:09,865 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-20 12:14:09,865 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-20 12:14:09,865 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-20 12:14:09,866 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-20 12:14:09,866 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-20 12:14:09,866 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-20 12:14:09,866 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-20 12:14:09,866 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-20 12:14:09,867 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-20 12:14:09,867 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-20 12:14:09,869 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-20 12:14:09,870 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-20 12:14:09,870 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-20 12:14:09,870 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-20 12:14:09,870 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-20 12:14:09,871 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-20 12:14:09,871 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-20 12:14:09,871 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-20 12:14:09,871 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-20 12:14:09,871 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-20 12:14:09,873 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-20 12:14:09,873 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-20 12:14:09,873 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-20 12:14:09,874 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-20 12:14:09,874 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-20 12:14:09,874 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-20 12:14:09,874 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-20 12:14:09,874 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-20 12:14:09,875 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-20 12:14:09,875 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-20 12:14:09,879 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-20 12:14:09,879 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-20 12:14:09,879 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-20 12:14:09,880 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-20 12:14:09,880 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: true [2020-07-20 12:14:09,880 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-20 12:14:09,880 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-20 12:14:09,881 INFO L271 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-07-20 12:14:09,881 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-20 12:14:09,881 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-20 12:14:09,881 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-20 12:14:09,882 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-20 12:14:09,883 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-20 12:14:09,885 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 12:14:09,885 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-20 12:14:09,886 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-20 12:14:09,886 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-20 12:14:09,890 INFO L271 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: true [2020-07-20 12:14:09,890 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-20 12:14:09,890 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-20 12:14:09,891 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-20 12:14:09,891 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-20 12:14:09,895 INFO L271 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: true [2020-07-20 12:14:09,896 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-20 12:14:09,896 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-20 12:14:09,896 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-20 12:14:09,897 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-20 12:14:09,897 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-20 12:14:09,897 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-20 12:14:09,897 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-20 12:14:09,897 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-20 12:14:09,898 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-20 12:14:09,898 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-20 12:14:09,898 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-20 12:14:09,898 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-20 12:14:09,898 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 12:14:09,899 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-20 12:14:09,899 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-20 12:14:09,899 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-07-20 12:14:09,899 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-07-20 12:14:09,899 INFO L264 CegarLoopResult]: At program point L296-2(line 296) the Hoare annotation is: |Id_MCDC_95_#t~short23| [2020-07-20 12:14:09,900 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-20 12:14:09,900 INFO L268 CegarLoopResult]: For program point L296-3(line 296) no Hoare annotation was computed. [2020-07-20 12:14:09,900 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-20 12:14:09,900 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 12:14:09,900 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-20 12:14:09,901 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-20 12:14:09,901 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-20 12:14:09,901 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-07-20 12:14:09,901 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-20 12:14:09,901 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-20 12:14:09,902 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-20 12:14:09,903 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-20 12:14:09,903 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-20 12:14:09,903 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-20 12:14:09,903 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-20 12:14:09,903 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-20 12:14:09,903 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-20 12:14:09,904 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-20 12:14:09,904 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-20 12:14:09,904 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-20 12:14:09,904 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-20 12:14:09,904 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-20 12:14:09,904 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-20 12:14:09,905 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-20 12:14:09,905 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-20 12:14:09,905 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-20 12:14:09,905 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-20 12:14:09,906 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-20 12:14:09,906 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 12:14:09,906 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 12:14:09,906 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 12:14:09,906 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 12:14:09,906 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 12:14:09,907 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 12:14:09,907 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 12:14:09,907 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-20 12:14:09,907 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-20 12:14:09,907 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-20 12:14:09,907 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-20 12:14:09,908 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-20 12:14:09,908 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 12:14:09,908 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-20 12:14:09,908 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-20 12:14:09,908 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-20 12:14:09,909 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-20 12:14:09,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:14:09 BoogieIcfgContainer [2020-07-20 12:14:09,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 12:14:09,936 INFO L168 Benchmark]: Toolchain (without parser) took 6690.82 ms. Allocated memory was 138.9 MB in the beginning and 246.9 MB in the end (delta: 108.0 MB). Free memory was 102.3 MB in the beginning and 170.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-07-20 12:14:09,941 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 12:14:09,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.66 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 172.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-20 12:14:09,947 INFO L168 Benchmark]: Boogie Preprocessor took 162.34 ms. Allocated memory is still 202.9 MB. Free memory was 172.8 MB in the beginning and 168.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:14:09,951 INFO L168 Benchmark]: RCFGBuilder took 1308.35 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 105.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2020-07-20 12:14:09,952 INFO L168 Benchmark]: TraceAbstraction took 4482.75 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 105.7 MB in the beginning and 170.3 MB in the end (delta: -64.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 12:14:09,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.66 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 172.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.34 ms. Allocated memory is still 202.9 MB. Free memory was 172.8 MB in the beginning and 168.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1308.35 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 105.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4482.75 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 105.7 MB in the beginning and 170.3 MB in the end (delta: -64.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 518 SDtfs, 24 SDslu, 638 SDs, 0 SdLazy, 21 SolverSat, 3 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 112 PreInvPairs, 129 NumberOfFragments, 34 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 6108 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1649 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...