/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:53:59,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:53:59,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:53:59,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 21:53:59,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 21:53:59,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 21:53:59,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 21:53:59,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 21:53:59,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 21:53:59,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 21:53:59,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 21:53:59,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 21:53:59,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:53:59,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:53:59,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:53:59,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:53:59,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:53:59,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:53:59,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:53:59,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:53:59,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:53:59,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:53:59,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:53:59,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:53:59,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:53:59,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 21:53:59,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 21:53:59,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 21:53:59,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 21:53:59,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 21:53:59,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 21:53:59,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 21:53:59,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 21:53:59,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:53:59,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:53:59,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:53:59,895 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 [2019-11-23 21:53:59,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:53:59,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:53:59,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:53:59,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:53:59,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:53:59,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:53:59,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:53:59,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:53:59,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:53:59,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:53:59,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:53:59,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:53:59,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:53:59,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:53:59,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:53:59,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:53:59,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:53:59,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:53:59,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:53:59,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:53:59,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:53:59,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:53:59,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:53:59,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:53:59,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:53:59,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:53:59,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:53:59,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:53:59,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:53:59,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:54:00,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:54:00,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:54:00,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:54:00,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:54:00,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:54:00,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-11-23 21:54:00,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f68f45fc/66c0c2741a1f440bb3f033a839d849ce/FLAGa63750438 [2019-11-23 21:54:01,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:54:01,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-11-23 21:54:01,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f68f45fc/66c0c2741a1f440bb3f033a839d849ce/FLAGa63750438 [2019-11-23 21:54:01,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f68f45fc/66c0c2741a1f440bb3f033a839d849ce [2019-11-23 21:54:01,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:54:01,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:54:01,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:54:01,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:54:01,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:54:01,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:54:01" (1/1) ... [2019-11-23 21:54:01,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225b5edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:01, skipping insertion in model container [2019-11-23 21:54:01,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:54:01" (1/1) ... [2019-11-23 21:54:01,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:54:01,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:54:02,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:54:02,311 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:54:02,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:54:02,559 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:54:02,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02 WrapperNode [2019-11-23 21:54:02,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:54:02,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:54:02,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:54:02,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:54:02,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:54:02,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:54:02,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:54:02,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:54:02,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... [2019-11-23 21:54:02,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:54:02,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:54:02,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:54:02,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:54:02,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:54:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:54:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 21:54:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:54:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:54:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 21:54:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-23 21:54:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:54:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-23 21:54:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 21:54:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:54:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:54:04,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:54:04,009 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-23 21:54:04,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:54:04 BoogieIcfgContainer [2019-11-23 21:54:04,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:54:04,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:54:04,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:54:04,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:54:04,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:54:01" (1/3) ... [2019-11-23 21:54:04,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddd5691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:54:04, skipping insertion in model container [2019-11-23 21:54:04,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:54:02" (2/3) ... [2019-11-23 21:54:04,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddd5691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:54:04, skipping insertion in model container [2019-11-23 21:54:04,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:54:04" (3/3) ... [2019-11-23 21:54:04,024 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-11-23 21:54:04,035 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:54:04,044 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:54:04,055 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:54:04,084 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:54:04,084 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:54:04,084 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:54:04,085 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:54:04,085 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:54:04,085 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:54:04,085 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:54:04,085 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:54:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-11-23 21:54:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-23 21:54:04,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:54:04,114 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:54:04,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:54:04,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:54:04,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1318228049, now seen corresponding path program 1 times [2019-11-23 21:54:04,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:54:04,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375804193] [2019-11-23 21:54:04,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:54:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:54:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:54:04,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375804193] [2019-11-23 21:54:04,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:54:04,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:54:04,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669705126] [2019-11-23 21:54:04,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:54:04,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:54:04,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:54:04,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:54:04,448 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2019-11-23 21:54:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:54:04,567 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2019-11-23 21:54:04,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:54:04,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-23 21:54:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:54:04,582 INFO L225 Difference]: With dead ends: 177 [2019-11-23 21:54:04,583 INFO L226 Difference]: Without dead ends: 89 [2019-11-23 21:54:04,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:54:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-23 21:54:04,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-23 21:54:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-23 21:54:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2019-11-23 21:54:04,644 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 14 [2019-11-23 21:54:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:54:04,644 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2019-11-23 21:54:04,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:54:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2019-11-23 21:54:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-23 21:54:04,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:54:04,646 INFO L410 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] [2019-11-23 21:54:04,646 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:54:04,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:54:04,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1546121507, now seen corresponding path program 1 times [2019-11-23 21:54:04,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:54:04,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222992389] [2019-11-23 21:54:04,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:54:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:54:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:54:04,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222992389] [2019-11-23 21:54:04,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:54:04,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:54:04,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917257394] [2019-11-23 21:54:04,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:54:04,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:54:04,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:54:04,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:54:04,810 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand 4 states. [2019-11-23 21:54:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:54:04,892 INFO L93 Difference]: Finished difference Result 181 states and 232 transitions. [2019-11-23 21:54:04,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:54:04,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-11-23 21:54:04,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:54:04,895 INFO L225 Difference]: With dead ends: 181 [2019-11-23 21:54:04,895 INFO L226 Difference]: Without dead ends: 95 [2019-11-23 21:54:04,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:54:04,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-23 21:54:04,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2019-11-23 21:54:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-23 21:54:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 117 transitions. [2019-11-23 21:54:04,919 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 117 transitions. Word has length 22 [2019-11-23 21:54:04,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:54:04,923 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 117 transitions. [2019-11-23 21:54:04,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:54:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 117 transitions. [2019-11-23 21:54:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-23 21:54:04,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:54:04,925 INFO L410 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] [2019-11-23 21:54:04,926 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:54:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:54:04,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1546181089, now seen corresponding path program 1 times [2019-11-23 21:54:04,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:54:04,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360611797] [2019-11-23 21:54:04,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:54:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:54:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:54:05,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360611797] [2019-11-23 21:54:05,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:54:05,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 21:54:05,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326009860] [2019-11-23 21:54:05,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:54:05,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:54:05,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:54:05,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:54:05,076 INFO L87 Difference]: Start difference. First operand 92 states and 117 transitions. Second operand 3 states. [2019-11-23 21:54:05,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:54:05,093 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2019-11-23 21:54:05,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:54:05,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-23 21:54:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:54:05,095 INFO L225 Difference]: With dead ends: 92 [2019-11-23 21:54:05,096 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:54:05,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:54:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:54:05,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:54:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:54:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:54:05,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-23 21:54:05,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:54:05,100 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:54:05,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:54:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:54:05,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:54:05,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:54:05,478 INFO L444 ceAbstractionStarter]: For program point L2909(lines 2909 2913) no Hoare annotation was computed. [2019-11-23 21:54:05,479 INFO L440 ceAbstractionStarter]: At program point L2777-1(lines 2764 2780) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,479 INFO L440 ceAbstractionStarter]: At program point L2777(lines 2764 2780) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,479 INFO L440 ceAbstractionStarter]: At program point L2777-3(lines 2764 2780) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,479 INFO L440 ceAbstractionStarter]: At program point L2777-2(lines 2764 2780) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,479 INFO L440 ceAbstractionStarter]: At program point L2777-4(lines 2764 2780) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,480 INFO L447 ceAbstractionStarter]: At program point L3174(lines 3171 3180) the Hoare annotation is: true [2019-11-23 21:54:05,480 INFO L444 ceAbstractionStarter]: For program point L3042(lines 3042 3045) no Hoare annotation was computed. [2019-11-23 21:54:05,480 INFO L444 ceAbstractionStarter]: For program point L3075(line 3075) no Hoare annotation was computed. [2019-11-23 21:54:05,480 INFO L444 ceAbstractionStarter]: For program point L3042-2(lines 3040 3051) no Hoare annotation was computed. [2019-11-23 21:54:05,480 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:54:05,480 INFO L444 ceAbstractionStarter]: For program point L3026(lines 3026 3063) no Hoare annotation was computed. [2019-11-23 21:54:05,480 INFO L440 ceAbstractionStarter]: At program point L3010(lines 3004 3012) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,481 INFO L440 ceAbstractionStarter]: At program point L3192(lines 3191 3193) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,482 INFO L440 ceAbstractionStarter]: At program point L3225(lines 3224 3226) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,482 INFO L444 ceAbstractionStarter]: For program point L3027(line 3027) no Hoare annotation was computed. [2019-11-23 21:54:05,482 INFO L440 ceAbstractionStarter]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,483 INFO L440 ceAbstractionStarter]: At program point L3209(lines 3208 3210) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,483 INFO L440 ceAbstractionStarter]: At program point L2747-1(lines 2743 2749) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,484 INFO L440 ceAbstractionStarter]: At program point L2747(lines 2743 2749) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,484 INFO L444 ceAbstractionStarter]: For program point L3028(lines 3028 3059) no Hoare annotation was computed. [2019-11-23 21:54:05,484 INFO L444 ceAbstractionStarter]: For program point L3061(line 3061) no Hoare annotation was computed. [2019-11-23 21:54:05,485 INFO L440 ceAbstractionStarter]: At program point L2864(lines 2858 2866) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,485 INFO L440 ceAbstractionStarter]: At program point L2732(lines 2728 2734) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,485 INFO L440 ceAbstractionStarter]: At program point L2716(lines 2713 2718) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,485 INFO L440 ceAbstractionStarter]: At program point L3195-1(lines 3194 3196) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,485 INFO L440 ceAbstractionStarter]: At program point L3195(lines 3194 3196) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,486 INFO L440 ceAbstractionStarter]: At program point L3195-2(lines 3194 3196) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,486 INFO L444 ceAbstractionStarter]: For program point L3030(lines 3030 3056) no Hoare annotation was computed. [2019-11-23 21:54:05,486 INFO L444 ceAbstractionStarter]: For program point L2948(lines 2948 2953) no Hoare annotation was computed. [2019-11-23 21:54:05,486 INFO L440 ceAbstractionStarter]: At program point L2882(lines 2876 2884) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,486 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:54:05,486 INFO L440 ceAbstractionStarter]: At program point L3229(lines 3228 3230) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,487 INFO L440 ceAbstractionStarter]: At program point L3064(lines 3020 3069) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,487 INFO L444 ceAbstractionStarter]: For program point L3031(line 3031) no Hoare annotation was computed. [2019-11-23 21:54:05,487 INFO L440 ceAbstractionStarter]: At program point L3213(lines 3212 3214) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,487 INFO L440 ceAbstractionStarter]: At program point L3048(lines 3174 3177) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,487 INFO L444 ceAbstractionStarter]: For program point L2916(lines 2916 2920) no Hoare annotation was computed. [2019-11-23 21:54:05,487 INFO L444 ceAbstractionStarter]: For program point L2916-2(lines 2907 2921) no Hoare annotation was computed. [2019-11-23 21:54:05,488 INFO L444 ceAbstractionStarter]: For program point L3032(lines 3032 3037) no Hoare annotation was computed. [2019-11-23 21:54:05,488 INFO L440 ceAbstractionStarter]: At program point L3198(lines 3197 3199) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,488 INFO L440 ceAbstractionStarter]: At program point L3232(lines 2941 2946) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,488 INFO L440 ceAbstractionStarter]: At program point L3232-2(lines 3231 3233) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,488 INFO L440 ceAbstractionStarter]: At program point L3232-1(lines 3231 3233) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,489 INFO L440 ceAbstractionStarter]: At program point L3232-4(lines 3231 3233) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,489 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:54:05,489 INFO L440 ceAbstractionStarter]: At program point L3232-3(lines 3231 3233) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,489 INFO L440 ceAbstractionStarter]: At program point L3232-5(lines 3231 3233) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,489 INFO L444 ceAbstractionStarter]: For program point L2968(lines 2968 2975) no Hoare annotation was computed. [2019-11-23 21:54:05,490 INFO L440 ceAbstractionStarter]: At program point L3001(lines 2929 3003) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,490 INFO L447 ceAbstractionStarter]: At program point L2836(lines 2835 2838) the Hoare annotation is: true [2019-11-23 21:54:05,490 INFO L447 ceAbstractionStarter]: At program point L2836-1(lines 2835 2838) the Hoare annotation is: true [2019-11-23 21:54:05,490 INFO L440 ceAbstractionStarter]: At program point L3183(lines 3182 3184) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,490 INFO L447 ceAbstractionStarter]: At program point L3068(lines 3016 3070) the Hoare annotation is: true [2019-11-23 21:54:05,491 INFO L444 ceAbstractionStarter]: For program point L2771-1(lines 2771 2778) no Hoare annotation was computed. [2019-11-23 21:54:05,491 INFO L444 ceAbstractionStarter]: For program point L2771(lines 2771 2778) no Hoare annotation was computed. [2019-11-23 21:54:05,491 INFO L444 ceAbstractionStarter]: For program point L2771-3(lines 2771 2778) no Hoare annotation was computed. [2019-11-23 21:54:05,491 INFO L444 ceAbstractionStarter]: For program point L2771-2(lines 2771 2778) no Hoare annotation was computed. [2019-11-23 21:54:05,491 INFO L440 ceAbstractionStarter]: At program point L3217(lines 3216 3218) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,491 INFO L444 ceAbstractionStarter]: For program point L2771-4(lines 2771 2778) no Hoare annotation was computed. [2019-11-23 21:54:05,492 INFO L440 ceAbstractionStarter]: At program point L2755-1(lines 2750 2757) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,492 INFO L440 ceAbstractionStarter]: At program point L2755(lines 2750 2757) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,492 INFO L440 ceAbstractionStarter]: At program point L3201(lines 3200 3202) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-11-23 21:54:05,492 INFO L440 ceAbstractionStarter]: At program point L2855(lines 2849 2857) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,492 INFO L440 ceAbstractionStarter]: At program point L3235-1(lines 3234 3236) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,493 INFO L440 ceAbstractionStarter]: At program point L3235(lines 3234 3236) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,493 INFO L440 ceAbstractionStarter]: At program point L2740(lines 2735 2742) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,493 INFO L440 ceAbstractionStarter]: At program point L3186(lines 2898 2925) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,493 INFO L444 ceAbstractionStarter]: For program point L3054(line 3054) no Hoare annotation was computed. [2019-11-23 21:54:05,494 INFO L444 ceAbstractionStarter]: For program point L2988(lines 2988 2992) no Hoare annotation was computed. [2019-11-23 21:54:05,494 INFO L444 ceAbstractionStarter]: For program point L2988-2(lines 2937 3002) no Hoare annotation was computed. [2019-11-23 21:54:05,494 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:54:05,494 INFO L440 ceAbstractionStarter]: At program point L2873(lines 2867 2875) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,495 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3076) no Hoare annotation was computed. [2019-11-23 21:54:05,495 INFO L444 ceAbstractionStarter]: For program point L3039(line 3039) no Hoare annotation was computed. [2019-11-23 21:54:05,496 INFO L444 ceAbstractionStarter]: For program point L2907(lines 2907 2921) no Hoare annotation was computed. [2019-11-23 21:54:05,497 INFO L440 ceAbstractionStarter]: At program point L3221(lines 3220 3222) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,498 INFO L444 ceAbstractionStarter]: For program point L2957(lines 2957 2977) no Hoare annotation was computed. [2019-11-23 21:54:05,498 INFO L444 ceAbstractionStarter]: For program point L2957-2(lines 2957 2977) no Hoare annotation was computed. [2019-11-23 21:54:05,498 INFO L440 ceAbstractionStarter]: At program point L3205(lines 3204 3206) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,498 INFO L444 ceAbstractionStarter]: For program point L3040(lines 3040 3052) no Hoare annotation was computed. [2019-11-23 21:54:05,498 INFO L440 ceAbstractionStarter]: At program point L3189-1(lines 3188 3190) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,499 INFO L440 ceAbstractionStarter]: At program point L3189(lines 3188 3190) the Hoare annotation is: (and (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_0~0 1)) [2019-11-23 21:54:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:54:05 BoogieIcfgContainer [2019-11-23 21:54:05,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:54:05,555 INFO L168 Benchmark]: Toolchain (without parser) took 4370.12 ms. Allocated memory was 136.3 MB in the beginning and 260.0 MB in the end (delta: 123.7 MB). Free memory was 97.0 MB in the beginning and 203.1 MB in the end (delta: -106.2 MB). Peak memory consumption was 130.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,555 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 136.3 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 21:54:05,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.72 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.7 MB in the beginning and 131.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.63 ms. Allocated memory is still 201.3 MB. Free memory was 129.3 MB in the beginning and 124.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,558 INFO L168 Benchmark]: Boogie Preprocessor took 76.26 ms. Allocated memory is still 201.3 MB. Free memory was 124.1 MB in the beginning and 120.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,559 INFO L168 Benchmark]: RCFGBuilder took 1206.71 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 120.3 MB in the beginning and 154.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,560 INFO L168 Benchmark]: TraceAbstraction took 1532.73 ms. Allocated memory was 230.2 MB in the beginning and 260.0 MB in the end (delta: 29.9 MB). Free memory was 154.5 MB in the beginning and 203.1 MB in the end (delta: -48.7 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:54:05,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 ms. Allocated memory is still 136.3 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1380.72 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.7 MB in the beginning and 131.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 166.63 ms. Allocated memory is still 201.3 MB. Free memory was 129.3 MB in the beginning and 124.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.26 ms. Allocated memory is still 201.3 MB. Free memory was 124.1 MB in the beginning and 120.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.71 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 120.3 MB in the beginning and 154.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1532.73 ms. Allocated memory was 230.2 MB in the beginning and 260.0 MB in the end (delta: 29.9 MB). Free memory was 154.5 MB in the beginning and 203.1 MB in the end (delta: -48.7 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3076]: 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: 3191]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3224]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 2941]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3220]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3228]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3188]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3016]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3004]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 2876]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3188]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2728]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2898]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2735]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2743]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2743]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2858]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2750]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2764]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2764]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2750]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2764]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2764]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3200]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 2764]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3208]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 3197]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 3174]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3182]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3212]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2929]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2867]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3194]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2849]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3194]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 2713]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3216]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - InvariantResult [Line: 3194]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter && ldv_state_variable_0 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 296 SDtfs, 169 SDslu, 209 SDs, 0 SdLazy, 28 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=2, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 103 NumberOfFragments, 298 HoareAnnotationTreeSize, 50 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 2189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...