/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/eca-rers2012/Problem01_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:05:12,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:05:12,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:05:12,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:05:12,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:05:12,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:05:12,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:05:12,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:05:12,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:05:12,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:05:12,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:05:12,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:05:12,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:05:12,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:05:12,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:05:12,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:05:12,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:05:12,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:05:12,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:05:12,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:05:12,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:05:12,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:05:12,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:05:12,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:05:12,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:05:12,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:05:12,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:05:13,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:05:13,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:05:13,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:05:13,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:05:13,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:05:13,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:05:13,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:05:13,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:05:13,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:05:13,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:05:13,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:05:13,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:05:13,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:05:13,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:05:13,019 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 [2020-10-28 10:05:13,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:05:13,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:05:13,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:05:13,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:05:13,085 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:05:13,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:05:13,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:05:13,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:05:13,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:05:13,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:05:13,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:05:13,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:05:13,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:05:13,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:05:13,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:05:13,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:05:13,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:05:13,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:05:13,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:05:13,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:05:13,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:05:13,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:05:13,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:05:13,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:05:13,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:05:13,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:05:13,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:05:13,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:05:13,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:05:13,600 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:05:13,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2020-10-28 10:05:13,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a119296b/553aa8cdcacf476ab78a79a4d2a857f9/FLAG341b68ddb [2020-10-28 10:05:14,502 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:05:14,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2020-10-28 10:05:14,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a119296b/553aa8cdcacf476ab78a79a4d2a857f9/FLAG341b68ddb [2020-10-28 10:05:14,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a119296b/553aa8cdcacf476ab78a79a4d2a857f9 [2020-10-28 10:05:14,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:05:14,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:05:14,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:05:14,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:05:14,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:05:14,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:05:14" (1/1) ... [2020-10-28 10:05:14,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0561c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:14, skipping insertion in model container [2020-10-28 10:05:14,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:05:14" (1/1) ... [2020-10-28 10:05:14,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:05:14,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:05:15,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:05:15,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:05:15,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:05:15,532 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:05:15,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15 WrapperNode [2020-10-28 10:05:15,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:05:15,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:05:15,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:05:15,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:05:15,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (1/1) ... [2020-10-28 10:05:15,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:05:15,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:05:15,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:05:15,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:05:15,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (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 [2020-10-28 10:05:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:05:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:05:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:05:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:05:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:05:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:05:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:05:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:05:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:05:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:05:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:05:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:05:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:05:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:05:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:05:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:05:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:05:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:05:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:05:17,233 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:05:17,233 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:05:17,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:05:17 BoogieIcfgContainer [2020-10-28 10:05:17,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:05:17,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:05:17,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:05:17,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:05:17,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:05:14" (1/3) ... [2020-10-28 10:05:17,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa592c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:05:17, skipping insertion in model container [2020-10-28 10:05:17,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:05:15" (2/3) ... [2020-10-28 10:05:17,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa592c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:05:17, skipping insertion in model container [2020-10-28 10:05:17,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:05:17" (3/3) ... [2020-10-28 10:05:17,245 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label07.c [2020-10-28 10:05:17,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:05:17,264 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:05:17,279 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:05:17,310 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:05:17,310 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:05:17,310 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:05:17,310 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:05:17,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:05:17,310 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:05:17,311 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:05:17,311 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:05:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:05:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 10:05:17,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:17,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:05:17,349 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:17,356 INFO L82 PathProgramCache]: Analyzing trace with hash 2128587219, now seen corresponding path program 1 times [2020-10-28 10:05:17,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:17,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12577489] [2020-10-28 10:05:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:19,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:19,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 10:05:19,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:05:19,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2076 [2020-10-28 10:05:19,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:19,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:05:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:05:19,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 10:05:19,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:05:20,074 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:05:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:20,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:20,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:20,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:20,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 10:05:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:20,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:05:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:05:20,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12577489] [2020-10-28 10:05:20,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:05:20,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 10:05:20,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120377897] [2020-10-28 10:05:20,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:20,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:20,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:20,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:20,221 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-10-28 10:05:20,405 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:05:20,755 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:05:23,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:23,499 INFO L93 Difference]: Finished difference Result 703 states and 1239 transitions. [2020-10-28 10:05:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:05:23,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-28 10:05:23,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:23,522 INFO L225 Difference]: With dead ends: 703 [2020-10-28 10:05:23,522 INFO L226 Difference]: Without dead ends: 424 [2020-10-28 10:05:23,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:05:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-28 10:05:23,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 418. [2020-10-28 10:05:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-28 10:05:23,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 586 transitions. [2020-10-28 10:05:23,641 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 586 transitions. Word has length 111 [2020-10-28 10:05:23,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:23,645 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 586 transitions. [2020-10-28 10:05:23,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 586 transitions. [2020-10-28 10:05:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-28 10:05:23,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:23,657 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:05:23,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:05:23,658 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:23,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash 972474706, now seen corresponding path program 1 times [2020-10-28 10:05:23,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:23,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124982887] [2020-10-28 10:05:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:23,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:27,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:27,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 10:05:27,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3857 [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:05:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-28 10:05:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:27,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:27,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:27,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:05:27,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:27,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:27,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:27,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:27,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:27,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:27,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:27,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:05:27,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:05:27,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:27,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:27,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:27,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:05:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:05:27,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124982887] [2020-10-28 10:05:27,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:27,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:27,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703091614] [2020-10-28 10:05:27,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:27,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:27,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:27,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:27,859 INFO L87 Difference]: Start difference. First operand 418 states and 586 transitions. Second operand 5 states. [2020-10-28 10:05:28,009 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:05:29,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:29,435 INFO L93 Difference]: Finished difference Result 1247 states and 1788 transitions. [2020-10-28 10:05:29,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:29,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-28 10:05:29,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:29,444 INFO L225 Difference]: With dead ends: 1247 [2020-10-28 10:05:29,444 INFO L226 Difference]: Without dead ends: 835 [2020-10-28 10:05:29,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-28 10:05:29,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 829. [2020-10-28 10:05:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-10-28 10:05:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1131 transitions. [2020-10-28 10:05:29,542 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1131 transitions. Word has length 120 [2020-10-28 10:05:29,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:29,542 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1131 transitions. [2020-10-28 10:05:29,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1131 transitions. [2020-10-28 10:05:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 10:05:29,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:29,557 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:05:29,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:05:29,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2142776373, now seen corresponding path program 1 times [2020-10-28 10:05:29,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:29,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127831154] [2020-10-28 10:05:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:29,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:30,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-28 10:05:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:05:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 10:05:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:34,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:05:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 10:05:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-28 10:05:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:34,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:34,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:34,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:05:34,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:34,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:34,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:34,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:05:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:05:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:34,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:34,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:05:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:34,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:34,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 10:05:34,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 10:05:34,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:34,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 10:05:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 10:05:34,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127831154] [2020-10-28 10:05:34,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:34,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:34,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974293418] [2020-10-28 10:05:34,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:34,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:34,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:34,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:34,963 INFO L87 Difference]: Start difference. First operand 829 states and 1131 transitions. Second operand 5 states. [2020-10-28 10:05:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:36,627 INFO L93 Difference]: Finished difference Result 2480 states and 3487 transitions. [2020-10-28 10:05:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:36,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-28 10:05:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:36,640 INFO L225 Difference]: With dead ends: 2480 [2020-10-28 10:05:36,640 INFO L226 Difference]: Without dead ends: 1657 [2020-10-28 10:05:36,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:36,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-28 10:05:36,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1381. [2020-10-28 10:05:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-10-28 10:05:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1842 transitions. [2020-10-28 10:05:36,710 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1842 transitions. Word has length 145 [2020-10-28 10:05:36,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:36,711 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 1842 transitions. [2020-10-28 10:05:36,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1842 transitions. [2020-10-28 10:05:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 10:05:36,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:05:36,719 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:05:36,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:05:36,719 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:05:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:05:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash -42704168, now seen corresponding path program 1 times [2020-10-28 10:05:36,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:05:36,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104658964] [2020-10-28 10:05:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:05:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:38,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 10:05:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:05:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3359 [2020-10-28 10:05:40,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:40,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:05:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:05:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-28 10:05:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:40,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:05:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:40,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:40,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:05:40,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:40,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:05:40,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:40,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:05:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:05:40,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:05:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:40,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:40,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:40,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:05:40,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:40,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:05:40,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:05:40,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:05:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:05:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:40,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:05:40,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:05:40,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 10:05:40,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:05:40,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 10:05:40,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:05:40,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:05:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:05:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:05:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 10:05:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:05:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 10:05:40,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104658964] [2020-10-28 10:05:40,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:05:40,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:05:40,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944641690] [2020-10-28 10:05:40,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:05:40,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:05:40,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:05:40,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:05:40,620 INFO L87 Difference]: Start difference. First operand 1381 states and 1842 transitions. Second operand 5 states. [2020-10-28 10:05:42,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:05:42,261 INFO L93 Difference]: Finished difference Result 3710 states and 5015 transitions. [2020-10-28 10:05:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:05:42,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-10-28 10:05:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:05:42,265 INFO L225 Difference]: With dead ends: 3710 [2020-10-28 10:05:42,265 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:05:42,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:05:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:05:42,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:05:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:05:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:05:42,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-10-28 10:05:42,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:05:42,279 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:05:42,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:05:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:05:42,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:05:42,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:05:42,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:05:42,870 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-10-28 10:05:43,385 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-10-28 10:05:43,577 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:05:43,577 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:05:43,577 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:05:43,578 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:05:43,578 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:05:43,578 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:05:43,578 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:05:43,578 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:05:43,579 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:05:43,580 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,581 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:05:43,582 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,583 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:05:43,584 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:05:43,585 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:05:43,586 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:05:43,587 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:05:43,587 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:05:43,587 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,588 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:05:43,589 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,590 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:05:43,591 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:05:43,591 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,592 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,593 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:05:43,593 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,593 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:05:43,593 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:05:43,593 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:05:43,594 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,595 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,596 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:05:43,596 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:05:43,596 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:05:43,596 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,597 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|))) (let ((.cse5 (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 |old(~a8~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or (not (<= |old(~a16~0)| 5)) .cse5) (or .cse5 (not (<= |old(~a17~0)| 0))) (or (not (= |old(~a20~0)| 1)) .cse5)))) [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:05:43,598 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:05:43,599 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:05:43,599 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:05:43,599 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L270 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (and (not (<= |old(~a16~0)| 5)) (not (= |old(~a20~0)| 1)) (not (<= |old(~a17~0)| 0)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L490-1(line 490) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,600 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:05:43,601 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:05:43,602 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:05:43,602 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,602 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,602 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,602 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,604 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,604 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:05:43,604 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:05:43,604 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:05:43,605 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:05:43,605 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:05:43,605 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:05:43,605 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:05:43,605 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:05:43,606 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:05:43,606 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:05:43,606 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:05:43,607 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0)) [2020-10-28 10:05:43,607 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:05:43,608 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:05:43,608 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:05:43,608 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:05:43,608 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (<= ~a16~0 5) (<= ~a17~0 0) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:05:43,608 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:05:43,608 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:05:43,609 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (<= ~a16~0 5) (<= ~a17~0 0) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|))) [2020-10-28 10:05:43,609 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:05:43,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:05:43 BoogieIcfgContainer [2020-10-28 10:05:43,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:05:43,634 INFO L168 Benchmark]: Toolchain (without parser) took 28888.92 ms. Allocated memory was 159.4 MB in the beginning and 576.7 MB in the end (delta: 417.3 MB). Free memory was 133.2 MB in the beginning and 242.0 MB in the end (delta: -108.8 MB). Peak memory consumption was 308.8 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:43,636 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 100.5 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:05:43,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.46 ms. Allocated memory is still 159.4 MB. Free memory was 132.6 MB in the beginning and 135.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:43,640 INFO L168 Benchmark]: Boogie Preprocessor took 164.48 ms. Allocated memory is still 159.4 MB. Free memory was 135.1 MB in the beginning and 130.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:43,648 INFO L168 Benchmark]: RCFGBuilder took 1532.74 ms. Allocated memory is still 159.4 MB. Free memory was 130.2 MB in the beginning and 119.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:43,649 INFO L168 Benchmark]: TraceAbstraction took 26394.09 ms. Allocated memory was 159.4 MB in the beginning and 576.7 MB in the end (delta: 417.3 MB). Free memory was 118.7 MB in the beginning and 242.0 MB in the end (delta: -123.3 MB). Peak memory consumption was 293.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:05:43,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 100.5 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 779.46 ms. Allocated memory is still 159.4 MB. Free memory was 132.6 MB in the beginning and 135.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 164.48 ms. Allocated memory is still 159.4 MB. Free memory was 135.1 MB in the beginning and 130.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1532.74 ms. Allocated memory is still 159.4 MB. Free memory was 130.2 MB in the beginning and 119.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26394.09 ms. Allocated memory was 159.4 MB in the beginning and 576.7 MB in the end (delta: 417.3 MB). Free memory was 118.7 MB in the beginning and 242.0 MB in the end (delta: -123.3 MB). Peak memory consumption was 293.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 585]: Loop Invariant Derived loop invariant: (((((a16 <= 5 || a17 <= 0) || !(\old(a20) == 1)) || a8 == 15) || a20 == 1) || !(5 == \old(a16))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.9s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 1355 SDslu, 93 SDs, 0 SdLazy, 2866 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 288 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 84 PreInvPairs, 118 NumberOfFragments, 296 HoareAnnotationTreeSize, 84 FomulaSimplifications, 5488 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1985 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 270290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 128/133 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...