/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:17:25,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:17:25,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:17:25,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:17:25,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:17:25,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:17:25,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:17:25,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:17:25,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:17:25,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:17:25,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:17:25,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:17:25,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:17:25,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:17:25,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:17:25,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:17:25,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:17:25,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:17:25,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:17:25,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:17:25,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:17:25,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:17:25,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:17:25,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:17:25,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:17:25,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:17:25,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:17:25,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:17:25,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:17:25,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:17:25,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:17:25,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:17:25,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:17:25,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:17:25,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:17:25,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:17:25,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:17:25,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:17:25,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:17:25,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:17:25,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:17:25,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:17:25,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:17:25,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:17:25,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:17:25,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:17:25,981 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:17:25,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:17:25,982 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:17:25,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:17:25,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:17:25,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:17:25,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:17:25,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:17:25,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:17:25,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:17:25,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:17:25,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:17:25,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:17:25,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:17:25,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:17:25,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:17:25,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:17:25,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:17:25,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:17:25,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:17:25,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:17:26,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:17:26,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:17:26,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:17:26,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:17:26,371 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:17:26,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2020-10-27 20:17:26,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eeda42f41/1f2f45c4a2574639b7847f474341b924/FLAG9868e8622 [2020-10-27 20:17:27,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:17:27,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2020-10-27 20:17:27,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eeda42f41/1f2f45c4a2574639b7847f474341b924/FLAG9868e8622 [2020-10-27 20:17:27,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eeda42f41/1f2f45c4a2574639b7847f474341b924 [2020-10-27 20:17:27,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:17:27,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:17:27,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:17:27,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:17:27,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:17:27,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:17:27" (1/1) ... [2020-10-27 20:17:27,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4138af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:27, skipping insertion in model container [2020-10-27 20:17:27,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:17:27" (1/1) ... [2020-10-27 20:17:27,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:17:27,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:17:27,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:17:27,978 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:17:28,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:17:28,107 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:17:28,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28 WrapperNode [2020-10-27 20:17:28,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:17:28,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:17:28,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:17:28,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:17:28,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... [2020-10-27 20:17:28,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:17:28,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:17:28,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:17:28,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:17:28,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 20:17:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:17:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:17:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:17:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-10-27 20:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-10-27 20:17:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-10-27 20:17:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-10-27 20:17:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:17:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 20:17:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:17:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-27 20:17:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:17:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:17:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:17:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 20:17:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:17:29,614 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:17:29,614 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-27 20:17:29,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:17:29 BoogieIcfgContainer [2020-10-27 20:17:29,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:17:29,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:17:29,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:17:29,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:17:29,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:17:27" (1/3) ... [2020-10-27 20:17:29,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0782f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:17:29, skipping insertion in model container [2020-10-27 20:17:29,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:17:28" (2/3) ... [2020-10-27 20:17:29,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0782f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:17:29, skipping insertion in model container [2020-10-27 20:17:29,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:17:29" (3/3) ... [2020-10-27 20:17:29,625 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2020-10-27 20:17:29,635 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:17:29,641 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:17:29,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:17:29,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:17:29,686 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:17:29,686 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:17:29,686 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:17:29,686 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:17:29,686 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:17:29,687 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:17:29,687 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:17:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-10-27 20:17:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 20:17:29,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:17:29,722 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] [2020-10-27 20:17:29,722 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:17:29,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:17:29,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1381053259, now seen corresponding path program 1 times [2020-10-27 20:17:29,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:17:29,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661313587] [2020-10-27 20:17:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:17:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:30,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:30,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:30,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:35,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 20:17:35,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:17:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-27 20:17:35,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:17:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 20:17:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:17:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:17:35,375 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:17:35,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:17:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:35,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:17:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:17:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:17:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:17:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:17:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:35,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:17:35,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:17:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 20:17:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:17:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:17:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 20:17:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:17:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:35,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:17:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:17:35,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:17:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:17:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:17:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:35,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:35,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:17:35,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:17:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:17:35,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:17:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:17:35,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661313587] [2020-10-27 20:17:35,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:17:35,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:17:35,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850266724] [2020-10-27 20:17:35,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:17:35,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:17:35,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:17:35,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:17:35,606 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 6 states. [2020-10-27 20:17:35,844 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 20:17:36,892 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 20:17:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:17:37,223 INFO L93 Difference]: Finished difference Result 258 states and 389 transitions. [2020-10-27 20:17:37,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:17:37,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-10-27 20:17:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:17:37,239 INFO L225 Difference]: With dead ends: 258 [2020-10-27 20:17:37,239 INFO L226 Difference]: Without dead ends: 129 [2020-10-27 20:17:37,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:17:37,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-27 20:17:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2020-10-27 20:17:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-27 20:17:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 166 transitions. [2020-10-27 20:17:37,320 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 166 transitions. Word has length 48 [2020-10-27 20:17:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:17:37,320 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 166 transitions. [2020-10-27 20:17:37,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:17:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2020-10-27 20:17:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 20:17:37,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:17:37,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:17:37,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:17:37,325 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:17:37,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:17:37,326 INFO L82 PathProgramCache]: Analyzing trace with hash 929490037, now seen corresponding path program 1 times [2020-10-27 20:17:37,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:17:37,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980010439] [2020-10-27 20:17:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:17:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:37,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:37,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:37,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:38,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:42,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 20:17:42,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:17:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 20:17:42,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:17:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 20:17:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:17:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:42,627 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:17:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:17:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:42,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:17:42,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:17:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:17:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:17:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:17:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:17:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:17:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 20:17:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:17:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 20:17:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:17:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:42,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:17:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:17:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:17:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:17:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:17:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:17:42,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:17:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:17:42,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:17:42,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:17:42,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:17:42,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:17:42,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:17:42,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:17:42,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:17:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:17:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:17:42,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:17:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:17:42,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980010439] [2020-10-27 20:17:42,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:17:42,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:17:42,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913680844] [2020-10-27 20:17:42,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:17:42,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:17:42,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:17:42,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:17:42,855 INFO L87 Difference]: Start difference. First operand 121 states and 166 transitions. Second operand 8 states. [2020-10-27 20:17:43,083 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 20:17:44,231 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 20:17:44,459 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-27 20:17:44,682 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-27 20:17:45,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:17:45,049 INFO L93 Difference]: Finished difference Result 180 states and 247 transitions. [2020-10-27 20:17:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 20:17:45,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-27 20:17:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:17:45,051 INFO L225 Difference]: With dead ends: 180 [2020-10-27 20:17:45,051 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:17:45,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:17:45,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:17:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:17:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:17:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:17:45,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2020-10-27 20:17:45,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:17:45,056 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:17:45,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:17:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:17:45,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:17:45,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:17:45,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:17:45,877 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-10-27 20:17:46,017 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 16 [2020-10-27 20:17:46,165 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-10-27 20:17:46,302 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-10-27 20:17:46,477 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-10-27 20:17:46,850 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-10-27 20:17:47,023 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-10-27 20:17:47,230 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 1 [2020-10-27 20:17:47,234 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 20:17:47,234 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 20:17:47,234 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 20:17:47,234 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 20:17:47,235 INFO L274 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2020-10-27 20:17:47,235 INFO L274 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2020-10-27 20:17:47,235 INFO L270 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-10-27 20:17:47,235 INFO L270 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-10-27 20:17:47,235 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 20:17:47,235 INFO L277 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-10-27 20:17:47,236 INFO L274 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-10-27 20:17:47,236 INFO L270 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-10-27 20:17:47,236 INFO L274 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2020-10-27 20:17:47,236 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-10-27 20:17:47,236 INFO L274 CegarLoopResult]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2020-10-27 20:17:47,236 INFO L274 CegarLoopResult]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2020-10-27 20:17:47,236 INFO L277 CegarLoopResult]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2020-10-27 20:17:47,237 INFO L277 CegarLoopResult]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2020-10-27 20:17:47,237 INFO L274 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2020-10-27 20:17:47,237 INFO L274 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-10-27 20:17:47,237 INFO L274 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-27 20:17:47,237 INFO L274 CegarLoopResult]: For program point L217-2(line 217) no Hoare annotation was computed. [2020-10-27 20:17:47,237 INFO L277 CegarLoopResult]: At program point L209(lines 209 225) the Hoare annotation is: true [2020-10-27 20:17:47,237 INFO L277 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L234-2(line 234) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L234-3(line 234) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L277 CegarLoopResult]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2020-10-27 20:17:47,238 INFO L274 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L214-2(line 214) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L202(lines 202 208) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L198(lines 198 201) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-27 20:17:47,239 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L236(lines 236 241) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L220-2(line 220) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L204(lines 204 207) no Hoare annotation was computed. [2020-10-27 20:17:47,240 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-10-27 20:17:47,241 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-10-27 20:17:47,241 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2020-10-27 20:17:47,241 INFO L270 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-10-27 20:17:47,241 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2020-10-27 20:17:47,241 INFO L274 CegarLoopResult]: For program point L452(lines 452 455) no Hoare annotation was computed. [2020-10-27 20:17:47,241 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2020-10-27 20:17:47,241 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-27 20:17:47,242 INFO L274 CegarLoopResult]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2020-10-27 20:17:47,242 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2020-10-27 20:17:47,242 INFO L277 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: true [2020-10-27 20:17:47,242 INFO L274 CegarLoopResult]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2020-10-27 20:17:47,242 INFO L270 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:17:47,242 INFO L274 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2020-10-27 20:17:47,242 INFO L274 CegarLoopResult]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2020-10-27 20:17:47,243 INFO L277 CegarLoopResult]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2020-10-27 20:17:47,243 INFO L277 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: true [2020-10-27 20:17:47,243 INFO L274 CegarLoopResult]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2020-10-27 20:17:47,243 INFO L274 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2020-10-27 20:17:47,243 INFO L277 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-10-27 20:17:47,243 INFO L274 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-10-27 20:17:47,243 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L277 CegarLoopResult]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2020-10-27 20:17:47,244 INFO L274 CegarLoopResult]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L274 CegarLoopResult]: For program point L389(lines 389 392) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L274 CegarLoopResult]: For program point L356(lines 356 397) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L270 CegarLoopResult]: At program point L352-3(lines 352 355) the Hoare annotation is: (and (< 0 (+ (div Id_MCDC_97_~Id_MCDC_123~0 4294967296) 1)) (<= Id_MCDC_97_~Id_MCDC_123~0 6144)) [2020-10-27 20:17:47,244 INFO L274 CegarLoopResult]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2020-10-27 20:17:47,244 INFO L277 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-10-27 20:17:47,245 INFO L274 CegarLoopResult]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2020-10-27 20:17:47,245 INFO L277 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: true [2020-10-27 20:17:47,245 INFO L274 CegarLoopResult]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2020-10-27 20:17:47,245 INFO L277 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2020-10-27 20:17:47,245 INFO L274 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2020-10-27 20:17:47,245 INFO L274 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-10-27 20:17:47,245 INFO L277 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-10-27 20:17:47,245 INFO L270 CegarLoopResult]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L298-3(line 298) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L277 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: true [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L288(lines 288 295) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L284(lines 284 287) no Hoare annotation was computed. [2020-10-27 20:17:47,246 INFO L277 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: true [2020-10-27 20:17:47,246 INFO L274 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L318(lines 318 323) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L316-2(line 316) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L316-3(line 316) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L274 CegarLoopResult]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2020-10-27 20:17:47,247 INFO L277 CegarLoopResult]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point L304(lines 304 307) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point L311(lines 311 314) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L277 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L274 CegarLoopResult]: For program point L255(lines 255 269) no Hoare annotation was computed. [2020-10-27 20:17:47,248 INFO L277 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L277 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: true [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-10-27 20:17:47,249 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:17:47,250 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#t~string72.base| |old(#t~string72.base)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string73.base)| |#t~string73.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#t~string45.base)| |#t~string45.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 20:17:47,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:17:47,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:17:47,250 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:17:47,250 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2020-10-27 20:17:47,251 INFO L277 CegarLoopResult]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2020-10-27 20:17:47,251 INFO L270 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2020-10-27 20:17:47,251 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-10-27 20:17:47,251 INFO L274 CegarLoopResult]: For program point L461(lines 461 464) no Hoare annotation was computed. [2020-10-27 20:17:47,252 INFO L274 CegarLoopResult]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2020-10-27 20:17:47,252 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2020-10-27 20:17:47,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:17:47 BoogieIcfgContainer [2020-10-27 20:17:47,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:17:47,273 INFO L168 Benchmark]: Toolchain (without parser) took 19719.32 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 126.9 MB in the beginning and 345.1 MB in the end (delta: -218.2 MB). Peak memory consumption was 234.5 MB. Max. memory is 8.0 GB. [2020-10-27 20:17:47,274 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 100.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:17:47,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.36 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 109.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-10-27 20:17:47,276 INFO L168 Benchmark]: Boogie Preprocessor took 129.92 ms. Allocated memory is still 151.0 MB. Free memory was 109.0 MB in the beginning and 105.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:17:47,276 INFO L168 Benchmark]: RCFGBuilder took 1376.84 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 120.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 8.0 GB. [2020-10-27 20:17:47,277 INFO L168 Benchmark]: TraceAbstraction took 17653.01 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 120.6 MB in the beginning and 345.1 MB in the end (delta: -224.5 MB). Peak memory consumption was 228.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:17:47,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 100.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 541.36 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 109.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.92 ms. Allocated memory is still 151.0 MB. Free memory was 109.0 MB in the beginning and 105.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1376.84 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 120.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17653.01 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 120.6 MB in the beginning and 345.1 MB in the end (delta: -224.5 MB). Peak memory consumption was 228.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 < Id_MCDC_123 / 4294967296 + 1 && Id_MCDC_123 <= 6144 - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 428 SDslu, 394 SDs, 0 SdLazy, 883 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 112 PreInvPairs, 135 NumberOfFragments, 279 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 36 FomulaSimplificationsInter, 2613 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 18444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 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...