/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:48:26,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:48:26,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:48:26,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:48:26,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:48:26,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:48:26,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:48:26,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:48:26,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:48:26,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:48:26,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:48:26,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:48:26,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:48:26,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:48:26,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:48:26,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:48:26,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:48:26,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:48:26,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:48:26,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:48:26,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:48:26,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:48:26,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:48:26,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:48:26,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:48:26,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:48:26,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:48:26,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:48:26,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:48:26,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:48:26,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:48:26,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:48:26,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:48:26,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:48:26,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:48:26,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:48:26,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:48:26,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:48:26,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:48:26,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:48:26,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:48:26,988 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 [2020-10-29 04:48:27,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:48:27,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:48:27,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:48:27,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:48:27,050 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:48:27,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:48:27,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:48:27,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:48:27,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:48:27,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:48:27,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:48:27,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:48:27,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:48:27,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:48:27,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:48:27,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:48:27,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:48:27,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:48:27,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:48:27,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:48:27,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:48:27,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:48:27,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:48:27,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:48:27,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:48:27,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:48:27,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:48:27,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:48:27,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:48:27,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:48:27,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:48:27,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:48:27,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:48:27,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:48:27,491 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:48:27,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-29 04:48:27,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92492f307/3eaf8ebcf1d14724b478262d4147c42a/FLAGe6b523e2d [2020-10-29 04:48:28,318 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:48:28,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-29 04:48:28,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92492f307/3eaf8ebcf1d14724b478262d4147c42a/FLAGe6b523e2d [2020-10-29 04:48:28,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92492f307/3eaf8ebcf1d14724b478262d4147c42a [2020-10-29 04:48:28,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:48:28,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:48:28,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:28,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:48:28,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:48:28,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:28" (1/1) ... [2020-10-29 04:48:28,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226960b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:28, skipping insertion in model container [2020-10-29 04:48:28,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:28" (1/1) ... [2020-10-29 04:48:28,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:48:28,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:48:29,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:29,118 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:48:29,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:29,365 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:48:29,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29 WrapperNode [2020-10-29 04:48:29,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:29,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:48:29,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:48:29,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:48:29,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (1/1) ... [2020-10-29 04:48:29,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:48:29,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:48:29,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:48:29,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:48:29,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (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 [2020-10-29 04:48:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:48:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:48:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:48:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:48:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:48:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:48:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:48:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:48:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:48:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:48:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:48:31,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:48:31,376 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:48:31,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:31 BoogieIcfgContainer [2020-10-29 04:48:31,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:48:31,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:48:31,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:48:31,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:48:31,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:48:28" (1/3) ... [2020-10-29 04:48:31,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d11b4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:31, skipping insertion in model container [2020-10-29 04:48:31,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:29" (2/3) ... [2020-10-29 04:48:31,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d11b4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:31, skipping insertion in model container [2020-10-29 04:48:31,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:31" (3/3) ... [2020-10-29 04:48:31,395 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-10-29 04:48:31,407 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:48:31,413 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:48:31,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:48:31,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:48:31,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:48:31,461 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:48:31,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:48:31,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:48:31,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:48:31,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:48:31,462 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:48:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:48:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 04:48:31,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:31,506 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, 1, 1, 1] [2020-10-29 04:48:31,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:31,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:31,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1557066117, now seen corresponding path program 1 times [2020-10-29 04:48:31,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:31,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863234225] [2020-10-29 04:48:31,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:32,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:34,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:34,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-29 04:48:34,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:48:34,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2198 [2020-10-29 04:48:34,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:34,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:48:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:48:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 04:48:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:48:34,465 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:34,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:34,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 04:48:34,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:34,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:48:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:34,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863234225] [2020-10-29 04:48:34,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:48:34,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:48:34,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604092374] [2020-10-29 04:48:34,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:48:34,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:34,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:48:34,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:48:34,589 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:48:34,834 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:48:37,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:37,740 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-29 04:48:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:37,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-10-29 04:48:37,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:37,758 INFO L225 Difference]: With dead ends: 667 [2020-10-29 04:48:37,759 INFO L226 Difference]: Without dead ends: 342 [2020-10-29 04:48:37,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-29 04:48:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-29 04:48:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-29 04:48:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-29 04:48:37,852 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 133 [2020-10-29 04:48:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:37,854 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-29 04:48:37,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:48:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-29 04:48:37,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 04:48:37,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:37,860 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-10-29 04:48:37,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:48:37,861 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:37,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:37,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1559091247, now seen corresponding path program 1 times [2020-10-29 04:48:37,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:37,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129216004] [2020-10-29 04:48:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:37,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:38,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:39,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:39,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:39,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 04:48:39,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:48:39,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1644 [2020-10-29 04:48:39,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:39,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 04:48:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 04:48:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:48:39,808 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:39,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 04:48:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:39,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:39,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:39,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:39,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:39,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:39,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:39,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:39,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:48:39,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:39,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:48:39,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:39,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 04:48:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:39,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129216004] [2020-10-29 04:48:39,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:39,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:48:39,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347779625] [2020-10-29 04:48:39,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:48:39,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:39,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:48:39,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:39,967 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 6 states. [2020-10-29 04:48:40,174 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:48:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:42,514 INFO L93 Difference]: Finished difference Result 965 states and 1422 transitions. [2020-10-29 04:48:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:42,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-29 04:48:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:42,522 INFO L225 Difference]: With dead ends: 965 [2020-10-29 04:48:42,523 INFO L226 Difference]: Without dead ends: 633 [2020-10-29 04:48:42,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:48:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-29 04:48:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 484. [2020-10-29 04:48:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-29 04:48:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 714 transitions. [2020-10-29 04:48:42,603 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 714 transitions. Word has length 141 [2020-10-29 04:48:42,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:42,603 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 714 transitions. [2020-10-29 04:48:42,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:48:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 714 transitions. [2020-10-29 04:48:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-29 04:48:42,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:42,618 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:42,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:48:42,619 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:42,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:42,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1409216108, now seen corresponding path program 1 times [2020-10-29 04:48:42,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:42,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880698664] [2020-10-29 04:48:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:42,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:44,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:44,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-29 04:48:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1503 [2020-10-29 04:48:44,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:44,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:48:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 04:48:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:48:44,645 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:48:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:44,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:44,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:44,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:44,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:48:44,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:48:44,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:44,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:48:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:44,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880698664] [2020-10-29 04:48:44,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:44,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:48:44,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304966378] [2020-10-29 04:48:44,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:48:44,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:44,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:48:44,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:48:44,965 INFO L87 Difference]: Start difference. First operand 484 states and 714 transitions. Second operand 7 states. [2020-10-29 04:48:45,696 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 04:48:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:47,782 INFO L93 Difference]: Finished difference Result 1055 states and 1603 transitions. [2020-10-29 04:48:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:47,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2020-10-29 04:48:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:47,790 INFO L225 Difference]: With dead ends: 1055 [2020-10-29 04:48:47,790 INFO L226 Difference]: Without dead ends: 488 [2020-10-29 04:48:47,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:48:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-10-29 04:48:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 484. [2020-10-29 04:48:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-29 04:48:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 711 transitions. [2020-10-29 04:48:47,821 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 711 transitions. Word has length 155 [2020-10-29 04:48:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:47,822 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 711 transitions. [2020-10-29 04:48:47,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:48:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 711 transitions. [2020-10-29 04:48:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 04:48:47,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:47,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:47,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:48:47,826 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:47,827 INFO L82 PathProgramCache]: Analyzing trace with hash -875250468, now seen corresponding path program 1 times [2020-10-29 04:48:47,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:47,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659488212] [2020-10-29 04:48:47,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:47,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:47,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:48,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 04:48:49,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-10-29 04:48:49,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:48:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 04:48:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:49,365 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:49,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:48:49,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:48:49,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 04:48:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:48:49,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:49,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659488212] [2020-10-29 04:48:49,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:49,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:49,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777194838] [2020-10-29 04:48:49,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:49,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:49,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:49,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:49,564 INFO L87 Difference]: Start difference. First operand 484 states and 711 transitions. Second operand 5 states. [2020-10-29 04:48:49,766 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:48:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:51,963 INFO L93 Difference]: Finished difference Result 1410 states and 2121 transitions. [2020-10-29 04:48:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:51,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-29 04:48:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:51,973 INFO L225 Difference]: With dead ends: 1410 [2020-10-29 04:48:51,973 INFO L226 Difference]: Without dead ends: 932 [2020-10-29 04:48:51,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:51,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-29 04:48:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 780. [2020-10-29 04:48:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-29 04:48:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1044 transitions. [2020-10-29 04:48:52,024 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1044 transitions. Word has length 159 [2020-10-29 04:48:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:52,025 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 1044 transitions. [2020-10-29 04:48:52,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1044 transitions. [2020-10-29 04:48:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-29 04:48:52,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:52,030 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:52,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:48:52,030 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:52,031 INFO L82 PathProgramCache]: Analyzing trace with hash 137016229, now seen corresponding path program 1 times [2020-10-29 04:48:52,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:52,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323371820] [2020-10-29 04:48:52,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:52,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:54,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:54,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 04:48:54,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:48:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2185 [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 04:48:54,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:54,477 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:54,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:54,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:48:54,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:54,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:54,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:54,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:54,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:48:54,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:54,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:48:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:54,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:54,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:48:54,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 04:48:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:54,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:48:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 04:48:54,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323371820] [2020-10-29 04:48:54,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:54,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:54,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940310985] [2020-10-29 04:48:54,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:54,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:54,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:54,669 INFO L87 Difference]: Start difference. First operand 780 states and 1044 transitions. Second operand 5 states. [2020-10-29 04:48:55,050 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 04:48:57,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:57,409 INFO L93 Difference]: Finished difference Result 2291 states and 3136 transitions. [2020-10-29 04:48:57,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:57,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-29 04:48:57,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:57,424 INFO L225 Difference]: With dead ends: 2291 [2020-10-29 04:48:57,424 INFO L226 Difference]: Without dead ends: 1517 [2020-10-29 04:48:57,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2020-10-29 04:48:57,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1513. [2020-10-29 04:48:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2020-10-29 04:48:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1910 transitions. [2020-10-29 04:48:57,483 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1910 transitions. Word has length 172 [2020-10-29 04:48:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:57,483 INFO L481 AbstractCegarLoop]: Abstraction has 1513 states and 1910 transitions. [2020-10-29 04:48:57,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1910 transitions. [2020-10-29 04:48:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-29 04:48:57,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:57,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:57,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:48:57,491 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:57,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:57,492 INFO L82 PathProgramCache]: Analyzing trace with hash -992410232, now seen corresponding path program 1 times [2020-10-29 04:48:57,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:57,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291301929] [2020-10-29 04:48:57,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:02,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-29 04:49:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 04:49:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:02,833 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:02,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:02,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:02,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:02,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:02,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:02,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:02,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:02,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:49:02,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:02,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:02,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:02,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:49:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:02,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:02,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:02,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 04:49:02,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:02,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 04:49:02,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 04:49:03,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291301929] [2020-10-29 04:49:03,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:03,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:03,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298615599] [2020-10-29 04:49:03,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:03,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:03,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:03,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:03,077 INFO L87 Difference]: Start difference. First operand 1513 states and 1910 transitions. Second operand 5 states. [2020-10-29 04:49:03,255 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:49:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:05,556 INFO L93 Difference]: Finished difference Result 4224 states and 5444 transitions. [2020-10-29 04:49:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:05,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-10-29 04:49:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:05,574 INFO L225 Difference]: With dead ends: 4224 [2020-10-29 04:49:05,574 INFO L226 Difference]: Without dead ends: 2717 [2020-10-29 04:49:05,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:05,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2020-10-29 04:49:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2264. [2020-10-29 04:49:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-10-29 04:49:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 2888 transitions. [2020-10-29 04:49:05,673 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 2888 transitions. Word has length 212 [2020-10-29 04:49:05,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:05,673 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 2888 transitions. [2020-10-29 04:49:05,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2888 transitions. [2020-10-29 04:49:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-29 04:49:05,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:05,684 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:49:05,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:49:05,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:05,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1807106779, now seen corresponding path program 1 times [2020-10-29 04:49:05,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:05,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645775066] [2020-10-29 04:49:05,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:05,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:07,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:08,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-29 04:49:10,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 04:49:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 04:49:10,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 04:49:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 04:49:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:10,958 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:10,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:10,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:10,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:11,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:49:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:49:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:11,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:11,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:49:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:49:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:11,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:49:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:11,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:11,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 04:49:11,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 04:49:11,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:11,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 04:49:11,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645775066] [2020-10-29 04:49:11,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:11,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:11,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219480918] [2020-10-29 04:49:11,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:11,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:11,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:11,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:11,312 INFO L87 Difference]: Start difference. First operand 2264 states and 2888 transitions. Second operand 5 states. [2020-10-29 04:49:11,509 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 04:49:13,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:13,748 INFO L93 Difference]: Finished difference Result 5418 states and 6991 transitions. [2020-10-29 04:49:13,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:13,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-29 04:49:13,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:13,751 INFO L225 Difference]: With dead ends: 5418 [2020-10-29 04:49:13,751 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:49:13,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:49:13,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:49:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:49:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:49:13,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-10-29 04:49:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:13,764 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:49:13,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:49:13,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:49:13,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:49:13,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:49:14,729 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 21 [2020-10-29 04:49:14,942 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 28 [2020-10-29 04:49:16,094 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 161 DAG size of output: 40 [2020-10-29 04:49:16,264 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:16,456 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:49:16,456 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:49:16,456 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~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)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:49:16,457 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:16,458 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,459 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:49:16,460 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,461 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:49:16,462 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:49:16,463 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:49:16,464 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,465 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:49:16,466 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,467 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:49:16,468 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:16,469 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:16,470 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:49:16,471 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:49:16,472 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L270 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (and (not (< 1 |old(~a25~0)|)) (= |old(~a19~0)| 1) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|))) [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:49:16,473 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,474 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:49:16,475 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 .cse3 .cse4))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or .cse0 (and (not (< 1 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)))) (or (and .cse1 .cse2 .cse3 (= 7 ~a28~0) .cse4) (not (= 7 |old(~a28~0)|))) (or (= |old(~a19~0)| 1) .cse0) (or (not (<= 8 |old(~a17~0)|)) .cse0)))) [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,476 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:49:16,477 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,478 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:49:16,479 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:49:16,480 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:16,481 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 0) (<= 8 ~a17~0) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-29 04:49:16,482 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:49:16,482 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:16,482 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (< 1 ~a25~0) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0) (not (= 7 |old(~a28~0)|)) (<= ~a25~0 0)) [2020-10-29 04:49:16,482 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 7 |old(~a28~0)|))) [2020-10-29 04:49:16,482 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:16,482 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:16,482 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (< 1 ~a25~0) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0) (not (= 7 |old(~a28~0)|)) (<= ~a25~0 0)) [2020-10-29 04:49:16,483 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:49:16,483 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:49:16,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:49:16 BoogieIcfgContainer [2020-10-29 04:49:16,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:49:16,506 INFO L168 Benchmark]: Toolchain (without parser) took 47933.39 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 131.7 MB in the beginning and 498.4 MB in the end (delta: -366.8 MB). Peak memory consumption was 393.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:16,506 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:49:16,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.24 ms. Allocated memory is still 151.0 MB. Free memory was 131.0 MB in the beginning and 124.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:16,508 INFO L168 Benchmark]: Boogie Preprocessor took 175.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 119.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:16,509 INFO L168 Benchmark]: RCFGBuilder took 1833.86 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 72.7 MB in the end (delta: 46.8 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:16,510 INFO L168 Benchmark]: TraceAbstraction took 45117.52 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 72.2 MB in the beginning and 498.4 MB in the end (delta: -426.3 MB). Peak memory consumption was 335.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:16,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 787.24 ms. Allocated memory is still 151.0 MB. Free memory was 131.0 MB in the beginning and 124.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 175.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 119.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1833.86 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 72.7 MB in the end (delta: 46.8 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45117.52 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 72.2 MB in the beginning and 498.4 MB in the end (delta: -426.3 MB). Peak memory consumption was 335.0 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: 608]: Loop Invariant Derived loop invariant: ((((((((!(8 <= \old(a17)) || 1 < a25) || !(0 == \old(a11))) || 8 <= a17) || !(a19 == 1)) || 7 == a28) || !(0 == \old(a25))) || a11 == 0) || !(7 == \old(a28))) || a25 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.3s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 249 SDtfs, 2640 SDslu, 261 SDs, 0 SdLazy, 5039 SolverSat, 766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2264occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 766 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 137 PreInvPairs, 183 NumberOfFragments, 336 HoareAnnotationTreeSize, 137 FomulaSimplifications, 62361 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3095 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 267/277 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...