/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:50:28,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:50:28,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:50:28,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:50:28,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:50:28,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:50:28,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:50:28,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:50:28,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:50:28,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:50:28,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:50:28,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:50:28,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:50:28,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:50:28,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:50:28,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:50:28,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:50:28,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:50:28,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:50:28,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:50:28,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:50:28,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:50:28,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:50:28,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:50:28,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:50:28,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:50:28,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:50:28,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:50:28,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:50:28,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:50:28,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:50:28,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:50:28,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:50:28,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:50:28,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:50:28,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:50:28,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:50:28,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:50:28,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:50:28,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:50:28,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:50:28,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:50:28,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:50:28,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:50:28,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:50:28,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:50:28,641 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:50:28,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:50:28,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:50:28,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:50:28,643 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:50:28,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:50:28,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:50:28,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:50:28,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:50:28,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:50:28,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:50:28,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:50:28,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:50:28,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:50:28,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:50:28,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:50:28,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:50:28,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:50:28,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:50:28,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:50:28,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:50:29,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:50:29,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:50:29,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:50:29,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:50:29,041 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:50:29,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-29 04:50:29,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52a05b12/da6f66c1582844d28502d99528efb4f9/FLAG97c04137a [2020-10-29 04:50:29,952 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:50:29,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-29 04:50:29,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52a05b12/da6f66c1582844d28502d99528efb4f9/FLAG97c04137a [2020-10-29 04:50:30,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52a05b12/da6f66c1582844d28502d99528efb4f9 [2020-10-29 04:50:30,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:50:30,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:50:30,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:50:30,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:50:30,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:50:30,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:30,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6e5ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30, skipping insertion in model container [2020-10-29 04:50:30,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:30,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:50:30,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:50:30,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:50:30,647 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:50:30,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:50:30,886 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:50:30,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30 WrapperNode [2020-10-29 04:50:30,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:50:30,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:50:30,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:50:30,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:50:30,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:30,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:30,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:30,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:31,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:31,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:31,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... [2020-10-29 04:50:31,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:50:31,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:50:31,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:50:31,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:50:31,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:50:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:50:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:50:32,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:50:32,718 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:50:32,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:50:32 BoogieIcfgContainer [2020-10-29 04:50:32,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:50:32,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:50:32,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:50:32,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:50:32,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:50:30" (1/3) ... [2020-10-29 04:50:32,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434492e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:50:32, skipping insertion in model container [2020-10-29 04:50:32,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:30" (2/3) ... [2020-10-29 04:50:32,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434492e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:50:32, skipping insertion in model container [2020-10-29 04:50:32,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:50:32" (3/3) ... [2020-10-29 04:50:32,737 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2020-10-29 04:50:32,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:50:32,760 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:50:32,775 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:50:32,821 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:50:32,821 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:50:32,821 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:50:32,821 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:50:32,821 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:50:32,822 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:50:32,822 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:50:32,822 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:50:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:50:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-29 04:50:32,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:32,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:32,883 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:32,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:32,892 INFO L82 PathProgramCache]: Analyzing trace with hash -226867307, now seen corresponding path program 1 times [2020-10-29 04:50:32,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:32,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667695639] [2020-10-29 04:50:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:33,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:35,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:35,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 04:50:35,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1948 [2020-10-29 04:50:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:35,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:50:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:50:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 04:50:35,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:50:35,454 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:50:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:35,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:35,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:35,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:50:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:35,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667695639] [2020-10-29 04:50:35,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:50:35,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:50:35,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360856569] [2020-10-29 04:50:35,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:50:35,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:35,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:50:35,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:50:35,631 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:50:35,819 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:50:37,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:37,877 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-29 04:50:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:37,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-10-29 04:50:37,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:37,896 INFO L225 Difference]: With dead ends: 676 [2020-10-29 04:50:37,896 INFO L226 Difference]: Without dead ends: 342 [2020-10-29 04:50:37,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:37,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-29 04:50:37,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-29 04:50:37,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-29 04:50:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-29 04:50:37,986 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 132 [2020-10-29 04:50:37,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:37,987 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-29 04:50:37,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:50:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-29 04:50:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 04:50:37,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:37,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:37,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:50:38,002 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:38,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1058084809, now seen corresponding path program 1 times [2020-10-29 04:50:38,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:38,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120893382] [2020-10-29 04:50:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:38,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:38,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:39,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:39,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 04:50:39,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:50:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1598 [2020-10-29 04:50:39,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:39,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 04:50:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 04:50:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:50:39,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:39,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:39,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:39,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:39,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:39,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:39,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:39,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:39,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:50:39,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:39,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:39,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:39,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:50:39,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 04:50:39,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:39,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120893382] [2020-10-29 04:50:39,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:39,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:39,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304480987] [2020-10-29 04:50:39,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:39,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:39,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:39,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:39,902 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 5 states. [2020-10-29 04:50:41,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:41,503 INFO L93 Difference]: Finished difference Result 963 states and 1425 transitions. [2020-10-29 04:50:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:41,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-29 04:50:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:41,515 INFO L225 Difference]: With dead ends: 963 [2020-10-29 04:50:41,516 INFO L226 Difference]: Without dead ends: 636 [2020-10-29 04:50:41,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:41,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-29 04:50:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 628. [2020-10-29 04:50:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-29 04:50:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 877 transitions. [2020-10-29 04:50:41,570 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 877 transitions. Word has length 140 [2020-10-29 04:50:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:41,570 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 877 transitions. [2020-10-29 04:50:41,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 877 transitions. [2020-10-29 04:50:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-29 04:50:41,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:41,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:41,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:50:41,576 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:41,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:41,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1060280189, now seen corresponding path program 1 times [2020-10-29 04:50:41,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:41,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646318753] [2020-10-29 04:50:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:42,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 04:50:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1100 [2020-10-29 04:50:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:42,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-29 04:50:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 04:50:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:42,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:42,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:42,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:42,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:42,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:42,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:42,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:42,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:42,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:42,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 04:50:42,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 04:50:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:43,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646318753] [2020-10-29 04:50:43,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:43,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:43,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653446518] [2020-10-29 04:50:43,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:43,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:43,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:43,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:43,055 INFO L87 Difference]: Start difference. First operand 628 states and 877 transitions. Second operand 5 states. [2020-10-29 04:50:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:44,766 INFO L93 Difference]: Finished difference Result 1848 states and 2667 transitions. [2020-10-29 04:50:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:44,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-29 04:50:44,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:44,780 INFO L225 Difference]: With dead ends: 1848 [2020-10-29 04:50:44,780 INFO L226 Difference]: Without dead ends: 1226 [2020-10-29 04:50:44,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:44,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2020-10-29 04:50:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1215. [2020-10-29 04:50:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-10-29 04:50:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1660 transitions. [2020-10-29 04:50:44,877 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1660 transitions. Word has length 165 [2020-10-29 04:50:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:44,883 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 1660 transitions. [2020-10-29 04:50:44,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1660 transitions. [2020-10-29 04:50:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-29 04:50:44,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:44,893 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:44,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:50:44,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1773536914, now seen corresponding path program 1 times [2020-10-29 04:50:44,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:44,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508691656] [2020-10-29 04:50:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:46,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:48,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 04:50:48,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:50:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3315 [2020-10-29 04:50:48,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:48,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 04:50:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 04:50:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:48,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:48,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:48,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:48,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:48,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:48,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:50:48,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:48,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 04:50:48,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:48,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:48,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:50:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:48,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:48,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:48,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:50:48,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 04:50:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 04:50:48,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508691656] [2020-10-29 04:50:48,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:48,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:48,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678767216] [2020-10-29 04:50:48,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:48,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:48,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:48,610 INFO L87 Difference]: Start difference. First operand 1215 states and 1660 transitions. Second operand 5 states. [2020-10-29 04:50:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:50,143 INFO L93 Difference]: Finished difference Result 3022 states and 4229 transitions. [2020-10-29 04:50:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:50,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-29 04:50:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:50,159 INFO L225 Difference]: With dead ends: 3022 [2020-10-29 04:50:50,159 INFO L226 Difference]: Without dead ends: 1813 [2020-10-29 04:50:50,164 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 [2020-10-29 04:50:50,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2020-10-29 04:50:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1796. [2020-10-29 04:50:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2020-10-29 04:50:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2460 transitions. [2020-10-29 04:50:50,253 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2460 transitions. Word has length 168 [2020-10-29 04:50:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:50,254 INFO L481 AbstractCegarLoop]: Abstraction has 1796 states and 2460 transitions. [2020-10-29 04:50:50,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2460 transitions. [2020-10-29 04:50:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-29 04:50:50,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:50,262 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:50,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:50:50,263 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:50,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1654449257, now seen corresponding path program 1 times [2020-10-29 04:50:50,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:50,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641058735] [2020-10-29 04:50:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:50,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:50,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:50,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:51,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:53,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-29 04:50:53,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:50:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2790 [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 04:50:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:53,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:53,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:53,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:53,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:50:53,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:53,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:53,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:53,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:53,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:53,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:53,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:50:53,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:53,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:53,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 04:50:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:53,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:53,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:53,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 04:50:53,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:53,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:50:53,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 04:50:53,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641058735] [2020-10-29 04:50:53,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:53,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:53,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821036169] [2020-10-29 04:50:53,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:53,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:53,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:53,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:53,372 INFO L87 Difference]: Start difference. First operand 1796 states and 2460 transitions. Second operand 5 states. [2020-10-29 04:50:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:54,929 INFO L93 Difference]: Finished difference Result 5050 states and 7131 transitions. [2020-10-29 04:50:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:54,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2020-10-29 04:50:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:54,931 INFO L225 Difference]: With dead ends: 5050 [2020-10-29 04:50:54,931 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:50:54,945 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 [2020-10-29 04:50:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:50:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:50:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:50:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:50:54,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2020-10-29 04:50:54,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:54,946 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:50:54,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:50:54,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:50:54,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:50:54,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:50:55,977 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 31 [2020-10-29 04:50:56,193 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:50:56,194 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:50:56,194 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:50:56,194 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:50:56,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:56,195 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:50:56,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:56,195 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:50:56,195 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:50:56,195 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:50:56,195 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:56,196 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,197 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:50:56,198 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:50:56,199 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:50:56,200 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:50:56,201 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,202 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:50:56,203 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,204 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:50:56,205 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:50:56,206 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:50:56,207 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:50:56,208 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,209 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:56,210 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L270 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (and (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (= |old(~a11~0)| 1) (not (<= 9 |old(~a28~0)|))) [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:50:56,211 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,212 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:50:56,213 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,214 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:50:56,215 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:50:56,216 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:50:56,216 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a19~0 |old(~a19~0)|)))) (and (or .cse0 (= |old(~a25~0)| 1)) (or (not (= |old(~a19~0)| 1)) (and .cse1 .cse2 .cse3 (= ~a19~0 1) .cse4)) (or .cse0 (not (<= 9 |old(~a28~0)|))) (or .cse0 (= |old(~a11~0)| 1))))) [2020-10-29 04:50:56,216 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:50:56,216 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:50:56,216 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,217 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:50:56,218 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:50:56,219 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:50:56,220 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:50:56,221 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,222 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:56,223 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (not (= ~a11~0 1))) [2020-10-29 04:50:56,224 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:50:56,224 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:56,224 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (<= 9 ~a28~0) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (not (= ~a11~0 1)) (not (= ~a25~0 1))) [2020-10-29 04:50:56,224 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-29 04:50:56,224 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:56,224 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:56,225 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (<= 9 ~a28~0) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (not (= ~a11~0 1)) (not (= ~a25~0 1))) [2020-10-29 04:50:56,225 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:50:56,225 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:50:56,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:50:56 BoogieIcfgContainer [2020-10-29 04:50:56,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:50:56,248 INFO L168 Benchmark]: Toolchain (without parser) took 26100.37 ms. Allocated memory was 151.0 MB in the beginning and 585.1 MB in the end (delta: 434.1 MB). Free memory was 125.2 MB in the beginning and 506.3 MB in the end (delta: -381.1 MB). Peak memory consumption was 289.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:56,249 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:50:56,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.28 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 98.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:56,250 INFO L168 Benchmark]: Boogie Preprocessor took 156.99 ms. Allocated memory is still 151.0 MB. Free memory was 98.4 MB in the beginning and 93.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:56,252 INFO L168 Benchmark]: RCFGBuilder took 1675.72 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 93.5 MB in the beginning and 146.5 MB in the end (delta: -52.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:56,252 INFO L168 Benchmark]: TraceAbstraction took 23518.99 ms. Allocated memory was 192.9 MB in the beginning and 585.1 MB in the end (delta: 392.2 MB). Free memory was 146.5 MB in the beginning and 506.3 MB in the end (delta: -359.8 MB). Peak memory consumption was 268.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:56,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 735.28 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 98.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.99 ms. Allocated memory is still 151.0 MB. Free memory was 98.4 MB in the beginning and 93.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1675.72 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 93.5 MB in the beginning and 146.5 MB in the end (delta: -52.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23518.99 ms. Allocated memory was 192.9 MB in the beginning and 585.1 MB in the end (delta: 392.2 MB). Free memory was 146.5 MB in the beginning and 506.3 MB in the end (delta: -359.8 MB). Peak memory consumption was 268.2 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: (((((9 <= a28 || !(\old(a19) == 1)) || a19 == 1) || !(0 == \old(a25))) || \old(a11) == 1) || !(a11 == 1)) || !(a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 2122 SDslu, 163 SDs, 0 SdLazy, 3226 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1796occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 113 PreInvPairs, 161 NumberOfFragments, 273 HoareAnnotationTreeSize, 113 FomulaSimplifications, 17374 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2452 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 781 ConstructedInterpolants, 0 QuantifiedInterpolants, 445668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 127/133 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...