/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:38:04,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:38:04,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:38:04,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:38:04,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:38:04,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:38:04,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:38:04,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:38:04,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:38:04,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:38:04,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:38:04,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:38:04,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:38:04,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:38:04,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:38:04,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:38:04,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:38:04,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:38:04,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:38:04,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:38:04,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:38:04,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:38:04,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:38:05,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:38:05,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:38:05,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:38:05,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:38:05,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:38:05,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:38:05,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:38:05,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:38:05,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:38:05,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:38:05,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:38:05,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:38:05,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:38:05,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:38:05,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:38:05,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:38:05,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:38:05,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:38:05,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:38:05,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:38:05,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:38:05,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:38:05,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:38:05,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:38:05,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:38:05,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:38:05,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:38:05,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:38:05,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:38:05,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:38:05,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:38:05,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:38:05,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:38:05,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:38:05,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:38:05,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:38:05,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:38:05,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:38:05,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:38:05,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:38:05,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:05,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:38:05,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:38:05,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:38:05,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:38:05,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:38:05,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:38:05,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:38:05,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:38:05,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:38:05,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:38:05,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:38:05,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:38:05,520 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:38:05,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-27 15:38:05,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfeb117ea/37271a08495a477a9f1cbcd80f724c1f/FLAG508b9aa17 [2020-10-27 15:38:06,528 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:38:06,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-27 15:38:06,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfeb117ea/37271a08495a477a9f1cbcd80f724c1f/FLAG508b9aa17 [2020-10-27 15:38:06,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfeb117ea/37271a08495a477a9f1cbcd80f724c1f [2020-10-27 15:38:06,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:38:06,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:38:06,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:06,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:38:06,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:38:06,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b80ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:06, skipping insertion in model container [2020-10-27 15:38:06,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:06" (1/1) ... [2020-10-27 15:38:06,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:38:06,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:38:07,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:07,264 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:38:07,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:07,496 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:38:07,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07 WrapperNode [2020-10-27 15:38:07,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:07,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:38:07,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:38:07,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:38:07,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... [2020-10-27 15:38:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:38:07,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:38:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:38:07,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:38:07,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:38:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:38:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:38:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:38:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:38:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:38:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:38:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:38:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:38:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:38:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:38:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:38:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:38:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:38:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:38:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:38:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:38:09,389 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:38:09,390 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:38:09,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:09 BoogieIcfgContainer [2020-10-27 15:38:09,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:38:09,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:38:09,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:38:09,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:38:09,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:38:06" (1/3) ... [2020-10-27 15:38:09,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45becad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:09, skipping insertion in model container [2020-10-27 15:38:09,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:07" (2/3) ... [2020-10-27 15:38:09,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45becad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:09, skipping insertion in model container [2020-10-27 15:38:09,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:09" (3/3) ... [2020-10-27 15:38:09,401 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-10-27 15:38:09,413 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:38:09,419 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:38:09,433 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:38:09,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:38:09,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:38:09,464 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:38:09,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:38:09,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:38:09,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:38:09,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:38:09,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:38:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:38:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 15:38:09,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:09,502 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] [2020-10-27 15:38:09,502 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:09,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:09,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1756184309, now seen corresponding path program 1 times [2020-10-27 15:38:09,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:09,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040932376] [2020-10-27 15:38:09,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:11,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:11,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 15:38:11,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:38:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2099 [2020-10-27 15:38:11,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:38:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:38:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:38:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:38:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:12,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:12,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:12,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:12,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 15:38:12,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:38:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:12,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040932376] [2020-10-27 15:38:12,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:38:12,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:38:12,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860850099] [2020-10-27 15:38:12,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:38:12,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:12,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:38:12,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:38:12,687 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:38:12,889 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:38:13,082 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:38:13,260 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:38:13,487 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:38:13,861 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-27 15:38:14,284 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-27 15:38:15,086 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-27 15:38:15,785 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-27 15:38:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:17,140 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:38:17,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:38:17,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-10-27 15:38:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:17,171 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:38:17,171 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:38:17,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:38:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:38:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:38:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:38:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:38:17,296 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 97 [2020-10-27 15:38:17,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:17,298 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:38:17,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:38:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:38:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-27 15:38:17,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:17,313 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:17,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:38:17,314 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:17,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:17,316 INFO L82 PathProgramCache]: Analyzing trace with hash -264937802, now seen corresponding path program 1 times [2020-10-27 15:38:17,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:17,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023396543] [2020-10-27 15:38:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:17,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:18,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 15:38:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1639 [2020-10-27 15:38:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:38:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:38:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:38:19,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:19,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:19,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:19,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:19,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:38:19,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:19,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023396543] [2020-10-27 15:38:19,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:19,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:38:19,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999330986] [2020-10-27 15:38:19,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:38:19,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:19,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:38:19,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:38:19,634 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 12 states. [2020-10-27 15:38:19,885 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 15:38:20,050 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 15:38:20,306 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 15:38:21,112 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 15:38:21,428 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 15:38:21,888 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 15:38:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:22,535 INFO L93 Difference]: Finished difference Result 551 states and 796 transitions. [2020-10-27 15:38:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 15:38:22,536 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-27 15:38:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:22,539 INFO L225 Difference]: With dead ends: 551 [2020-10-27 15:38:22,539 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:38:22,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:38:22,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:38:22,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:38:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:38:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 309 transitions. [2020-10-27 15:38:22,561 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 309 transitions. Word has length 106 [2020-10-27 15:38:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:22,562 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 309 transitions. [2020-10-27 15:38:22,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:38:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 309 transitions. [2020-10-27 15:38:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 15:38:22,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:22,564 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:38:22,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:38:22,564 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:22,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:22,565 INFO L82 PathProgramCache]: Analyzing trace with hash 101745790, now seen corresponding path program 1 times [2020-10-27 15:38:22,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:22,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007075486] [2020-10-27 15:38:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:22,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 15:38:24,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1845 [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 15:38:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:24,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:24,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:38:24,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:24,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:24,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:24,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:24,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:38:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 15:38:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:24,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007075486] [2020-10-27 15:38:24,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:24,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:24,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100760149] [2020-10-27 15:38:24,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:24,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:24,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:24,750 INFO L87 Difference]: Start difference. First operand 234 states and 309 transitions. Second operand 5 states. [2020-10-27 15:38:26,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:26,260 INFO L93 Difference]: Finished difference Result 614 states and 833 transitions. [2020-10-27 15:38:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:26,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-27 15:38:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:26,265 INFO L225 Difference]: With dead ends: 614 [2020-10-27 15:38:26,266 INFO L226 Difference]: Without dead ends: 386 [2020-10-27 15:38:26,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:26,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-27 15:38:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2020-10-27 15:38:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-27 15:38:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 505 transitions. [2020-10-27 15:38:26,318 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 505 transitions. Word has length 110 [2020-10-27 15:38:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:26,321 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 505 transitions. [2020-10-27 15:38:26,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 505 transitions. [2020-10-27 15:38:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 15:38:26,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:26,330 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-27 15:38:26,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:38:26,332 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:26,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1009690678, now seen corresponding path program 1 times [2020-10-27 15:38:26,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:26,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821712883] [2020-10-27 15:38:26,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 15:38:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 15:38:27,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:27,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:27,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:27,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:27,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:27,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:27,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:27,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:27,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:27,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:38:27,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:27,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:38:27,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:27,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:38:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:38:27,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821712883] [2020-10-27 15:38:27,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:27,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:27,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208212834] [2020-10-27 15:38:27,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:27,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:27,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:27,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:27,546 INFO L87 Difference]: Start difference. First operand 383 states and 505 transitions. Second operand 5 states. [2020-10-27 15:38:27,789 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:38:28,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:28,913 INFO L93 Difference]: Finished difference Result 850 states and 1162 transitions. [2020-10-27 15:38:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:28,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 15:38:28,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:28,917 INFO L225 Difference]: With dead ends: 850 [2020-10-27 15:38:28,917 INFO L226 Difference]: Without dead ends: 386 [2020-10-27 15:38:28,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:28,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-27 15:38:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2020-10-27 15:38:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-27 15:38:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 501 transitions. [2020-10-27 15:38:28,940 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 501 transitions. Word has length 118 [2020-10-27 15:38:28,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:28,941 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 501 transitions. [2020-10-27 15:38:28,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 501 transitions. [2020-10-27 15:38:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 15:38:28,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:28,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:38:28,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:38:28,944 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:28,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1840049162, now seen corresponding path program 1 times [2020-10-27 15:38:28,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:28,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360145864] [2020-10-27 15:38:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:29,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 15:38:30,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1769 [2020-10-27 15:38:30,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 15:38:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:30,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:30,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:30,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 15:38:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:38:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:30,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:30,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 15:38:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:38:31,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360145864] [2020-10-27 15:38:31,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:31,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:31,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101961235] [2020-10-27 15:38:31,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:31,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:31,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:31,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:31,009 INFO L87 Difference]: Start difference. First operand 383 states and 501 transitions. Second operand 5 states. [2020-10-27 15:38:32,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:32,640 INFO L93 Difference]: Finished difference Result 1059 states and 1420 transitions. [2020-10-27 15:38:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:32,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-27 15:38:32,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:32,650 INFO L225 Difference]: With dead ends: 1059 [2020-10-27 15:38:32,650 INFO L226 Difference]: Without dead ends: 682 [2020-10-27 15:38:32,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-10-27 15:38:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 677. [2020-10-27 15:38:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-27 15:38:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 828 transitions. [2020-10-27 15:38:32,680 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 828 transitions. Word has length 124 [2020-10-27 15:38:32,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:32,681 INFO L481 AbstractCegarLoop]: Abstraction has 677 states and 828 transitions. [2020-10-27 15:38:32,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 828 transitions. [2020-10-27 15:38:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 15:38:32,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:32,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:38:32,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:38:32,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:32,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:32,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1468120243, now seen corresponding path program 1 times [2020-10-27 15:38:32,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:32,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424973428] [2020-10-27 15:38:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:32,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:32,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 15:38:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:33,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:33,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:33,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:38:33,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:38:33,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:38:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:38:33,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424973428] [2020-10-27 15:38:33,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:33,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:33,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423994759] [2020-10-27 15:38:33,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:33,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:33,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:33,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:33,376 INFO L87 Difference]: Start difference. First operand 677 states and 828 transitions. Second operand 5 states. [2020-10-27 15:38:34,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:34,894 INFO L93 Difference]: Finished difference Result 1645 states and 2084 transitions. [2020-10-27 15:38:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:34,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 15:38:34,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:34,901 INFO L225 Difference]: With dead ends: 1645 [2020-10-27 15:38:34,901 INFO L226 Difference]: Without dead ends: 974 [2020-10-27 15:38:34,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-27 15:38:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 971. [2020-10-27 15:38:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-10-27 15:38:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1176 transitions. [2020-10-27 15:38:34,948 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1176 transitions. Word has length 132 [2020-10-27 15:38:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:34,949 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 1176 transitions. [2020-10-27 15:38:34,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1176 transitions. [2020-10-27 15:38:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 15:38:34,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:34,962 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:38:34,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:38:34,963 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:34,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:34,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2102337345, now seen corresponding path program 1 times [2020-10-27 15:38:34,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:34,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475732356] [2020-10-27 15:38:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:35,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:35,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 15:38:40,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 15:38:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 15:38:40,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 15:38:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:40,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:40,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:40,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:38:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:40,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 15:38:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:38:40,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:38:40,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:38:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-27 15:38:40,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475732356] [2020-10-27 15:38:40,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:40,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:40,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50380678] [2020-10-27 15:38:40,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:40,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:40,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:40,315 INFO L87 Difference]: Start difference. First operand 971 states and 1176 transitions. Second operand 5 states. [2020-10-27 15:38:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:41,958 INFO L93 Difference]: Finished difference Result 2814 states and 3491 transitions. [2020-10-27 15:38:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:41,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-27 15:38:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:41,973 INFO L225 Difference]: With dead ends: 2814 [2020-10-27 15:38:41,973 INFO L226 Difference]: Without dead ends: 1849 [2020-10-27 15:38:41,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:41,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2020-10-27 15:38:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1702. [2020-10-27 15:38:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2020-10-27 15:38:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2035 transitions. [2020-10-27 15:38:42,053 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2035 transitions. Word has length 160 [2020-10-27 15:38:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:42,053 INFO L481 AbstractCegarLoop]: Abstraction has 1702 states and 2035 transitions. [2020-10-27 15:38:42,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2035 transitions. [2020-10-27 15:38:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 15:38:42,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:42,062 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:42,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:38:42,062 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:42,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:42,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1828740737, now seen corresponding path program 1 times [2020-10-27 15:38:42,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:42,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327450396] [2020-10-27 15:38:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:42,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:42,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 15:38:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:42,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:42,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:42,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:42,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:42,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:42,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:42,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:42,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:42,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:42,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 15:38:42,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 15:38:42,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 15:38:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:38:43,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327450396] [2020-10-27 15:38:43,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:43,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:43,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504914024] [2020-10-27 15:38:43,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:43,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:43,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:43,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:43,042 INFO L87 Difference]: Start difference. First operand 1702 states and 2035 transitions. Second operand 5 states. [2020-10-27 15:38:43,196 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:38:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:44,740 INFO L93 Difference]: Finished difference Result 4435 states and 5417 transitions. [2020-10-27 15:38:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:44,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-10-27 15:38:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:44,759 INFO L225 Difference]: With dead ends: 4435 [2020-10-27 15:38:44,759 INFO L226 Difference]: Without dead ends: 2739 [2020-10-27 15:38:44,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2020-10-27 15:38:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2440. [2020-10-27 15:38:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2440 states. [2020-10-27 15:38:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 2963 transitions. [2020-10-27 15:38:44,854 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 2963 transitions. Word has length 179 [2020-10-27 15:38:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:44,855 INFO L481 AbstractCegarLoop]: Abstraction has 2440 states and 2963 transitions. [2020-10-27 15:38:44,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2963 transitions. [2020-10-27 15:38:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 15:38:44,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:44,865 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-27 15:38:44,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:38:44,866 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:44,866 INFO L82 PathProgramCache]: Analyzing trace with hash 417537277, now seen corresponding path program 1 times [2020-10-27 15:38:44,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:44,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220392487] [2020-10-27 15:38:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:44,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:45,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:46,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:46,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 15:38:46,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2065 [2020-10-27 15:38:46,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 15:38:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 15:38:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:47,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:38:47,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:38:47,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 15:38:47,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:38:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 15:38:47,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 15:38:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 15:38:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 15:38:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:47,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:47,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 15:38:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 15:38:47,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220392487] [2020-10-27 15:38:47,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:47,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:38:47,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275617422] [2020-10-27 15:38:47,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:38:47,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:47,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:38:47,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:38:47,468 INFO L87 Difference]: Start difference. First operand 2440 states and 2963 transitions. Second operand 7 states. [2020-10-27 15:38:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:49,270 INFO L93 Difference]: Finished difference Result 5494 states and 6769 transitions. [2020-10-27 15:38:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 15:38:49,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-27 15:38:49,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:49,271 INFO L225 Difference]: With dead ends: 5494 [2020-10-27 15:38:49,271 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:38:49,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:38:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:38:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:38:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:38:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:38:49,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-10-27 15:38:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:49,288 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:38:49,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:38:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:38:49,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:38:49,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:38:49,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:38:50,147 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2020-10-27 15:38:51,077 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2020-10-27 15:38:51,294 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-10-27 15:38:51,427 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-10-27 15:38:51,602 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2020-10-27 15:38:51,606 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:38:51,607 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:38:51,607 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:38:51,607 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:38:51,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:51,608 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)|)) [2020-10-27 15:38:51,608 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:51,608 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:38:51,608 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:38:51,608 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:38:51,608 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:51,609 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,610 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:38:51,611 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:38:51,612 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:38:51,613 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,614 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:38:51,615 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,616 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:38:51,617 INFO L270 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (= 8 |old(~a17~0)|))) (.cse2 (not (= 0 |old(~a25~0)|))) (.cse1 (= |old(~a11~0)| 1)) (.cse3 (not (<= 10 |old(~a28~0)|)))) (and (or .cse0 .cse1) (= |old(~a19~0)| 1) (or (not (= |old(~a25~0)| 1)) .cse0 (not (= 9 |old(~a28~0)|)) (not (= ~a21~0 1))) (or .cse0 .cse2) (or .cse0 .cse3) (or .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (or .cse1 .cse3))) [2020-10-27 15:38:51,617 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,618 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:38:51,619 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:51,620 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,621 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:38:51,622 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,623 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:38:51,624 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:38:51,625 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse2 (= ~a17~0 8)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (not (= 0 |old(~a25~0)|))) (.cse0 (= |old(~a19~0)| 1)) (.cse4 (and .cse12 .cse8 .cse1 .cse9 .cse10)) (.cse6 (not (<= 10 |old(~a28~0)|))) (.cse7 (and .cse12 .cse1 .cse9 .cse2 .cse10)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse11 (= |old(~a11~0)| 1))) (and (or (not (= |old(~a25~0)| 1)) (not .cse0) (and .cse1 (= ~a19~0 1) .cse2 (= ~a25~0 1) (= ~a28~0 9)) .cse3 (not (= 9 |old(~a28~0)|)) (not (= ~a21~0 1))) (or .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse5) (or .cse7 .cse3 .cse6) (or .cse0 .cse4) (or (and .cse8 .cse1 .cse9 (= 7 ~a28~0) .cse10) (not (= 7 |old(~a28~0)|))) (or .cse4 .cse11 .cse6) (or .cse7 .cse3 .cse11)))) [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:38:51,626 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:38:51,627 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,628 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:38:51,629 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:38:51,630 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:38:51,631 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:38:51,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:51,632 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0)) [2020-10-27 15:38:51,632 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:38:51,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:51,632 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse2 (= ~a25~0 0)) (.cse1 (= ~a17~0 8)) (.cse0 (<= 10 ~a28~0)) (.cse3 (not (= ~a11~0 1)))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse0) (and .cse1 (= ~a25~0 1) (= ~a28~0 9)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse1) (and .cse1 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse0 .cse3))) [2020-10-27 15:38:51,632 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:38:51,632 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:51,633 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:51,633 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 0)) (.cse1 (= ~a17~0 8)) (.cse0 (<= 10 ~a28~0)) (.cse3 (not (= ~a11~0 1)))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse0) (and .cse1 (= ~a25~0 1) (= ~a28~0 9)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse3) (and .cse2 .cse1) (not (= |old(~a11~0)| |old(~a25~0)|)) (and .cse0 .cse3))) [2020-10-27 15:38:51,633 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:38:51,633 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:38:51,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:38:51 BoogieIcfgContainer [2020-10-27 15:38:51,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:38:51,659 INFO L168 Benchmark]: Toolchain (without parser) took 44920.48 ms. Allocated memory was 155.2 MB in the beginning and 737.1 MB in the end (delta: 582.0 MB). Free memory was 129.9 MB in the beginning and 496.3 MB in the end (delta: -366.4 MB). Peak memory consumption was 438.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:51,660 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:38:51,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.30 ms. Allocated memory is still 155.2 MB. Free memory was 129.0 MB in the beginning and 103.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:51,661 INFO L168 Benchmark]: Boogie Preprocessor took 129.46 ms. Allocated memory is still 155.2 MB. Free memory was 103.7 MB in the beginning and 98.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:51,662 INFO L168 Benchmark]: RCFGBuilder took 1763.90 ms. Allocated memory is still 155.2 MB. Free memory was 98.5 MB in the beginning and 79.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 54.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:51,663 INFO L168 Benchmark]: TraceAbstraction took 42263.50 ms. Allocated memory was 155.2 MB in the beginning and 737.1 MB in the end (delta: 582.0 MB). Free memory was 79.4 MB in the beginning and 496.3 MB in the end (delta: -416.9 MB). Peak memory consumption was 386.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:51,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 748.30 ms. Allocated memory is still 155.2 MB. Free memory was 129.0 MB in the beginning and 103.7 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.46 ms. Allocated memory is still 155.2 MB. Free memory was 103.7 MB in the beginning and 98.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1763.90 ms. Allocated memory is still 155.2 MB. Free memory was 98.5 MB in the beginning and 79.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 54.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42263.50 ms. Allocated memory was 155.2 MB in the beginning and 737.1 MB in the end (delta: 582.0 MB). Free memory was 79.4 MB in the beginning and 496.3 MB in the end (delta: -416.9 MB). Peak memory consumption was 386.8 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: ((((((((((((!(\old(a19) == 1) || (10 <= a28 && a17 == 8)) || !(8 == \old(a17))) || !(a19 == 1)) || 7 == a28) || !(0 == \old(a25))) || (a25 == 0 && 10 <= a28)) || ((a17 == 8 && a25 == 1) && a28 == 9)) || !(a21 == 1)) || !(7 == \old(a28))) || (a25 == 0 && a17 == 8)) || (a17 == 8 && !(a11 == 1))) || !(\old(a11) == \old(a25))) || (10 <= a28 && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 309 SDtfs, 3296 SDslu, 385 SDs, 0 SdLazy, 6620 SolverSat, 749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 72 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2440occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 466 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 189 PreInvPairs, 260 NumberOfFragments, 572 HoareAnnotationTreeSize, 189 FomulaSimplifications, 58887 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2837 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 1252 NumberOfCodeBlocks, 1252 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1014735 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 478/493 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...