/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_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:06:00,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:06:00,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:06:00,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:06:00,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:06:00,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:06:00,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:06:00,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:06:00,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:06:00,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:06:00,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:06:00,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:06:00,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:06:00,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:06:00,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:06:00,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:06:00,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:06:00,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:06:00,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:06:00,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:06:00,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:06:00,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:06:00,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:06:00,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:06:00,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:06:00,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:06:00,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:06:00,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:06:00,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:06:00,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:06:00,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:06:00,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:06:00,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:06:00,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:06:00,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:06:00,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:06:00,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:06:00,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:06:00,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:06:00,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:06:00,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:06:00,951 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 10:06:00,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:06:00,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:06:00,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:06:00,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:06:00,979 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:06:00,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:06:00,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:06:00,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:06:00,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:06:00,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:06:00,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:06:00,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:06:00,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:06:00,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:06:00,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:06:00,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:06:00,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:06:00,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:06:00,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:06:00,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:06:00,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:06:00,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:06:00,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:06:00,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:06:00,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:06:00,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:06:00,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:06:00,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:06:00,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:06:00,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:06:01,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:06:01,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:06:01,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:06:01,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:06:01,398 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:06:01,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2020-10-28 10:06:01,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/629d803ba/70d1a953d7fe4719bd4aa3a5fca08620/FLAG125b5216d [2020-10-28 10:06:02,284 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:06:02,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2020-10-28 10:06:02,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/629d803ba/70d1a953d7fe4719bd4aa3a5fca08620/FLAG125b5216d [2020-10-28 10:06:02,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/629d803ba/70d1a953d7fe4719bd4aa3a5fca08620 [2020-10-28 10:06:02,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:06:02,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:06:02,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:06:02,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:06:02,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:06:02,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:06:02" (1/1) ... [2020-10-28 10:06:02,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b3cc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:02, skipping insertion in model container [2020-10-28 10:06:02,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:06:02" (1/1) ... [2020-10-28 10:06:02,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:06:02,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:06:03,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:06:03,024 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:06:03,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:06:03,292 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:06:03,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03 WrapperNode [2020-10-28 10:06:03,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:06:03,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:06:03,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:06:03,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:06:03,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (1/1) ... [2020-10-28 10:06:03,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:06:03,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:06:03,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:06:03,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:06:03,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (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 10:06:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:06:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:06:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:06:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:06:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:06:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:06:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:06:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:06:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:06:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:06:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:06:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:06:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:06:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:06:04,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:06:04,859 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:06:04,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:06:04 BoogieIcfgContainer [2020-10-28 10:06:04,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:06:04,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:06:04,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:06:04,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:06:04,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:06:02" (1/3) ... [2020-10-28 10:06:04,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44877d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:06:04, skipping insertion in model container [2020-10-28 10:06:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:06:03" (2/3) ... [2020-10-28 10:06:04,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44877d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:06:04, skipping insertion in model container [2020-10-28 10:06:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:06:04" (3/3) ... [2020-10-28 10:06:04,871 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label13.c [2020-10-28 10:06:04,883 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:06:04,889 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:06:04,903 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:06:04,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:06:04,933 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:06:04,933 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:06:04,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:06:04,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:06:04,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:06:04,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:06:04,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:06:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:06:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-28 10:06:04,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:04,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:06:04,974 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:04,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1380791129, now seen corresponding path program 1 times [2020-10-28 10:06:04,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:04,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261568516] [2020-10-28 10:06:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:05,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:07,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:07,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 10:06:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:06:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2272 [2020-10-28 10:06:07,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:07,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:06:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:06:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:06:07,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:06:07,885 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:06:07,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:07,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:07,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:07,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:07,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 10:06:07,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:07,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:07,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:07,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:07,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:06:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:08,006 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 10:06:08,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261568516] [2020-10-28 10:06:08,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:06:08,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:06:08,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843669410] [2020-10-28 10:06:08,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:06:08,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:08,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:06:08,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:06:08,047 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:06:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:10,021 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:06:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:10,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-10-28 10:06:10,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:10,039 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:06:10,039 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:06:10,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:10,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:06:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:06:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:06:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-28 10:06:10,131 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 130 [2020-10-28 10:06:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:10,133 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-28 10:06:10,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:06:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-28 10:06:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 10:06:10,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:10,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:06:10,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:06:10,139 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash 2081754490, now seen corresponding path program 1 times [2020-10-28 10:06:10,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:10,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526881576] [2020-10-28 10:06:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:14,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:14,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 10:06:14,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:06:14,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3905 [2020-10-28 10:06:14,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:14,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:06:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 10:06:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:14,279 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:06:14,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:06:14,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:14,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 10:06:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:14,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:06:14,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:06:14,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:14,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:06:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:14,451 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 10:06:14,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526881576] [2020-10-28 10:06:14,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:14,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:06:14,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090536275] [2020-10-28 10:06:14,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:06:14,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:14,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:06:14,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:14,460 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-28 10:06:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:16,118 INFO L93 Difference]: Finished difference Result 836 states and 1168 transitions. [2020-10-28 10:06:16,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:16,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-28 10:06:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:16,128 INFO L225 Difference]: With dead ends: 836 [2020-10-28 10:06:16,128 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:06:16,130 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 10:06:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:06:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-28 10:06:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-28 10:06:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 733 transitions. [2020-10-28 10:06:16,177 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 733 transitions. Word has length 139 [2020-10-28 10:06:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:16,178 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 733 transitions. [2020-10-28 10:06:16,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:06:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 733 transitions. [2020-10-28 10:06:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 10:06:16,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:16,185 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:16,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:06:16,185 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:16,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:16,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1739102186, now seen corresponding path program 1 times [2020-10-28 10:06:16,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:16,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226604094] [2020-10-28 10:06:16,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:16,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 10:06:16,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:06:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-28 10:06:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:16,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:06:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 10:06:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:16,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:16,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:16,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:16,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:16,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:16,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:06:16,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:06:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:06:16,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226604094] [2020-10-28 10:06:16,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:16,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:06:16,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788352879] [2020-10-28 10:06:16,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:06:16,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:16,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:06:16,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:06:16,836 INFO L87 Difference]: Start difference. First operand 557 states and 733 transitions. Second operand 5 states. [2020-10-28 10:06:17,082 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:18,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:18,520 INFO L93 Difference]: Finished difference Result 1386 states and 1881 transitions. [2020-10-28 10:06:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:06:18,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-28 10:06:18,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:18,530 INFO L225 Difference]: With dead ends: 1386 [2020-10-28 10:06:18,531 INFO L226 Difference]: Without dead ends: 835 [2020-10-28 10:06:18,533 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 10:06:18,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-28 10:06:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-28 10:06:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-28 10:06:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1097 transitions. [2020-10-28 10:06:18,606 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1097 transitions. Word has length 141 [2020-10-28 10:06:18,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:18,609 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1097 transitions. [2020-10-28 10:06:18,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:06:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1097 transitions. [2020-10-28 10:06:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 10:06:18,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:18,628 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:18,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:06:18,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:18,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:18,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1220889237, now seen corresponding path program 1 times [2020-10-28 10:06:18,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:18,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337692814] [2020-10-28 10:06:18,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:18,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:21,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:22,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:22,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 10:06:22,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:06:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4063 [2020-10-28 10:06:22,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:22,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 10:06:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 10:06:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:22,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:22,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:22,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:22,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:22,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:22,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:06:22,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:22,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:22,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:22,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:22,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:23,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:23,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:06:23,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:06:23,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:23,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:23,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:23,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:23,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 10:06:23,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:06:23,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337692814] [2020-10-28 10:06:23,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:23,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:06:23,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428753374] [2020-10-28 10:06:23,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:06:23,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:23,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:06:23,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:06:23,097 INFO L87 Difference]: Start difference. First operand 831 states and 1097 transitions. Second operand 6 states. [2020-10-28 10:06:23,315 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:23,711 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 10:06:25,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:25,490 INFO L93 Difference]: Finished difference Result 3171 states and 4325 transitions. [2020-10-28 10:06:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:06:25,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-10-28 10:06:25,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:25,511 INFO L225 Difference]: With dead ends: 3171 [2020-10-28 10:06:25,511 INFO L226 Difference]: Without dead ends: 2346 [2020-10-28 10:06:25,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:06:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-10-28 10:06:25,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2338. [2020-10-28 10:06:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2338 states. [2020-10-28 10:06:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3000 transitions. [2020-10-28 10:06:25,689 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3000 transitions. Word has length 160 [2020-10-28 10:06:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:25,691 INFO L481 AbstractCegarLoop]: Abstraction has 2338 states and 3000 transitions. [2020-10-28 10:06:25,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:06:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3000 transitions. [2020-10-28 10:06:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-28 10:06:25,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:25,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:25,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:06:25,702 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:25,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:25,703 INFO L82 PathProgramCache]: Analyzing trace with hash 258288844, now seen corresponding path program 1 times [2020-10-28 10:06:25,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:25,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432525581] [2020-10-28 10:06:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:26,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:30,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:30,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:30,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 10:06:30,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:06:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-28 10:06:30,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:30,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:06:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:06:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-28 10:06:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:30,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:30,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:30,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:30,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:06:30,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:30,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:30,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:06:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:30,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:06:30,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:06:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:31,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:06:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:06:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 10:06:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:31,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:31,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:31,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:31,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:06:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:06:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:06:31,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432525581] [2020-10-28 10:06:31,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:31,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:06:31,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818067177] [2020-10-28 10:06:31,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:06:31,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:31,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:06:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:06:31,219 INFO L87 Difference]: Start difference. First operand 2338 states and 3000 transitions. Second operand 7 states. [2020-10-28 10:06:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:34,297 INFO L93 Difference]: Finished difference Result 7778 states and 10698 transitions. [2020-10-28 10:06:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 10:06:34,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-10-28 10:06:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:34,327 INFO L225 Difference]: With dead ends: 7778 [2020-10-28 10:06:34,327 INFO L226 Difference]: Without dead ends: 3486 [2020-10-28 10:06:34,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:06:34,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2020-10-28 10:06:34,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 2783. [2020-10-28 10:06:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2783 states. [2020-10-28 10:06:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3565 transitions. [2020-10-28 10:06:34,487 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3565 transitions. Word has length 169 [2020-10-28 10:06:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:34,487 INFO L481 AbstractCegarLoop]: Abstraction has 2783 states and 3565 transitions. [2020-10-28 10:06:34,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:06:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3565 transitions. [2020-10-28 10:06:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-28 10:06:34,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:06:34,499 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:06:34,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:06:34,499 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:06:34,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:06:34,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1962288991, now seen corresponding path program 1 times [2020-10-28 10:06:34,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:06:34,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787730270] [2020-10-28 10:06:34,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:06:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:34,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 10:06:39,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:06:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 10:06:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:39,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:06:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:06:39,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:06:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:06:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:39,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:06:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:06:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:06:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:06:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:39,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 10:06:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:06:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:06:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:06:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:06:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:06:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:06:39,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:06:39,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:06:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:06:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 10:06:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:06:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:06:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:06:39,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787730270] [2020-10-28 10:06:39,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:06:39,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:06:39,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148393452] [2020-10-28 10:06:39,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:06:39,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:06:39,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:06:39,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:06:39,921 INFO L87 Difference]: Start difference. First operand 2783 states and 3565 transitions. Second operand 7 states. [2020-10-28 10:06:40,082 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:06:40,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:06:40,785 INFO L93 Difference]: Finished difference Result 2807 states and 3577 transitions. [2020-10-28 10:06:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:06:40,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-10-28 10:06:40,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:06:40,792 INFO L225 Difference]: With dead ends: 2807 [2020-10-28 10:06:40,792 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:06:40,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:06:40,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:06:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:06:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:06:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:06:40,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2020-10-28 10:06:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:06:40,807 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:06:40,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:06:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:06:40,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:06:40,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:06:40,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:06:41,333 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 106 [2020-10-28 10:06:41,673 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2020-10-28 10:06:42,469 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 51 [2020-10-28 10:06:42,629 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2020-10-28 10:06:42,899 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2020-10-28 10:06:42,905 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:06:42,905 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:06:42,905 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:06:42,905 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:06:42,905 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:06:42,906 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 10:06:42,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:06:42,906 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,906 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,906 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,906 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:06:42,907 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:06:42,908 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:06:42,909 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,910 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:06:42,911 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:06:42,912 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:06:42,913 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:06:42,913 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:06:42,913 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:06:42,913 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:06:42,913 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:06:42,915 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,915 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,915 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,915 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,915 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,916 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:06:42,917 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,918 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,919 INFO L270 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= 5 |old(~a16~0)|)))) (and (or (not (<= |old(~a17~0)| 0)) .cse0) (not (= |old(~a8~0)| 13)) (not (<= |old(~a16~0)| 4)) (or .cse0 (not (= |old(~a7~0)| 0))) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a20~0)| 0)))) [2020-10-28 10:06:42,920 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,921 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:06:42,922 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:06:42,923 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:06:42,923 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:06:42,923 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,924 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,925 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,926 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)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse6 (= 5 ~a16~0)) (.cse7 (not (= 5 |old(~a16~0)|))) (.cse8 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) (and (or (not (= |old(~a8~0)| 13)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (not (<= |old(~a17~0)| 0)) .cse7) (or .cse8 (not (= 15 |old(~a8~0)|))) (or (and .cse1 .cse2 .cse3 .cse5 .cse6 (= ~a7~0 0)) .cse7 (not (= |old(~a7~0)| 0))) (or (not (<= |old(~a16~0)| 4)) .cse8) (or .cse8 (not (<= |old(~a20~0)| 0)))))) [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:06:42,926 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,927 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:06:42,928 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,929 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:06:42,930 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:06:42,931 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 5 ~a16~0) (= ~a7~0 0)) [2020-10-28 10:06:42,931 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:06:42,931 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:06:42,932 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0) (= ~a7~0 0)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-28 10:06:42,932 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:06:42,932 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (= 5 ~a16~0)) (.cse0 (= 15 |old(~a8~0)|)) (.cse1 (= ~a8~0 |old(~a8~0)|))) (or (and (<= ~a16~0 4) .cse0) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 .cse2 (= ~a7~0 0)) (and .cse0 (<= ~a17~0 0) .cse2) (not (= 5 |old(~a16~0)|)) (and .cse0 (<= ~a20~0 0)) (and .cse0 (= ~a8~0 13)) (not (= |old(~a7~0)| 0)) (and .cse0 .cse1))) [2020-10-28 10:06:42,932 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:06:42,932 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:06:42,932 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (= 5 ~a16~0)) (.cse0 (= 15 |old(~a8~0)|)) (.cse1 (= ~a8~0 |old(~a8~0)|))) (or (and (<= ~a16~0 4) .cse0) (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 .cse2 (= ~a7~0 0)) (and .cse0 (<= ~a17~0 0) .cse2) (not (= 5 |old(~a16~0)|)) (and .cse0 (<= ~a20~0 0)) (and .cse0 (= ~a8~0 13)) (not (= |old(~a7~0)| 0)) (and .cse0 .cse1))) [2020-10-28 10:06:42,933 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:06:42,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:06:42 BoogieIcfgContainer [2020-10-28 10:06:42,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:06:42,970 INFO L168 Benchmark]: Toolchain (without parser) took 40491.15 ms. Allocated memory was 152.0 MB in the beginning and 770.7 MB in the end (delta: 618.7 MB). Free memory was 125.3 MB in the beginning and 382.8 MB in the end (delta: -257.5 MB). Peak memory consumption was 362.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:42,971 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 152.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:06:42,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.79 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 130.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:42,980 INFO L168 Benchmark]: Boogie Preprocessor took 136.18 ms. Allocated memory is still 152.0 MB. Free memory was 130.7 MB in the beginning and 126.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:42,980 INFO L168 Benchmark]: RCFGBuilder took 1430.54 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 103.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:42,981 INFO L168 Benchmark]: TraceAbstraction took 38103.35 ms. Allocated memory was 152.0 MB in the beginning and 770.7 MB in the end (delta: 618.7 MB). Free memory was 103.5 MB in the beginning and 382.8 MB in the end (delta: -279.3 MB). Peak memory consumption was 339.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:06:42,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 152.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 808.79 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 130.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.18 ms. Allocated memory is still 152.0 MB. Free memory was 130.7 MB in the beginning and 126.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1430.54 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 103.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38103.35 ms. Allocated memory was 152.0 MB in the beginning and 770.7 MB in the end (delta: 618.7 MB). Free memory was 103.5 MB in the beginning and 382.8 MB in the end (delta: -279.3 MB). Peak memory consumption was 339.4 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 <= 4 && 15 == \old(a8)) || (((((a17 == \old(a17) && a21 == \old(a21)) && a20 == \old(a20)) && a8 == \old(a8)) && 5 == a16) && a7 == 0)) || ((15 == \old(a8) && a17 <= 0) && 5 == a16)) || !(5 == \old(a16))) || (15 == \old(a8) && a20 <= 0)) || (15 == \old(a8) && a8 == 13)) || !(\old(a7) == 0)) || (15 == \old(a8) && a8 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 175 SDtfs, 1590 SDslu, 145 SDs, 0 SdLazy, 4896 SolverSat, 623 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2783occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 725 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 174 PreInvPairs, 238 NumberOfFragments, 445 HoareAnnotationTreeSize, 174 FomulaSimplifications, 14056 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3710 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.5s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 921 ConstructedInterpolants, 0 QuantifiedInterpolants, 468887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 114/165 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...