/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:14:05,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:14:05,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:14:05,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:14:05,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:14:05,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:14:05,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:14:05,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:14:05,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:14:05,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:14:05,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:14:05,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:14:05,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:14:05,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:14:05,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:14:05,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:14:05,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:14:05,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:14:05,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:14:05,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:14:05,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:14:05,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:14:05,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:14:05,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:14:05,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:14:05,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:14:05,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:14:05,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:14:05,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:14:05,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:14:05,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:14:05,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:14:05,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:14:05,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:14:05,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:14:06,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:14:06,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:14:06,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:14:06,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:14:06,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:14:06,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:14:06,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 18:14:06,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:14:06,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:14:06,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:14:06,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:14:06,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:14:06,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:14:06,057 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:14:06,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:14:06,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:14:06,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:14:06,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:14:06,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:14:06,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:14:06,060 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:14:06,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:14:06,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:14:06,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:14:06,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:14:06,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:14:06,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:14:06,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:14:06,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:14:06,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:14:06,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:14:06,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:14:06,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:14:06,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:14:06,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:14:06,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:14:06,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:14:06,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:14:06,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:14:06,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:14:06,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:14:06,522 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:14:06,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2020-10-27 18:14:06,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcec0d8/4dfdefce0f8b472bbcfc838faafbacf2/FLAG15ade8d83 [2020-10-27 18:14:07,378 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:14:07,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2020-10-27 18:14:07,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcec0d8/4dfdefce0f8b472bbcfc838faafbacf2/FLAG15ade8d83 [2020-10-27 18:14:07,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcec0d8/4dfdefce0f8b472bbcfc838faafbacf2 [2020-10-27 18:14:07,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:14:07,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:14:07,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:14:07,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:14:07,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:14:07,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:14:07" (1/1) ... [2020-10-27 18:14:07,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52944933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:07, skipping insertion in model container [2020-10-27 18:14:07,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:14:07" (1/1) ... [2020-10-27 18:14:07,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:14:07,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:14:08,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:14:08,229 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:14:08,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:14:08,440 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:14:08,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08 WrapperNode [2020-10-27 18:14:08,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:14:08,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:14:08,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:14:08,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:14:08,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... [2020-10-27 18:14:08,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:14:08,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:14:08,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:14:08,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:14:08,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:14:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:14:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:14:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:14:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:14:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:14:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:14:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:14:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:14:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:14:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:14:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:14:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:14:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:14:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:14:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:14:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:14:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:14:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:14:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:14:10,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:14:10,367 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:14:10,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:14:10 BoogieIcfgContainer [2020-10-27 18:14:10,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:14:10,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:14:10,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:14:10,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:14:10,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:14:07" (1/3) ... [2020-10-27 18:14:10,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe6aa58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:14:10, skipping insertion in model container [2020-10-27 18:14:10,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:14:08" (2/3) ... [2020-10-27 18:14:10,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe6aa58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:14:10, skipping insertion in model container [2020-10-27 18:14:10,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:14:10" (3/3) ... [2020-10-27 18:14:10,379 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2020-10-27 18:14:10,391 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:14:10,396 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:14:10,410 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:14:10,440 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:14:10,440 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:14:10,440 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:14:10,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:14:10,441 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:14:10,441 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:14:10,441 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:14:10,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:14:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-27 18:14:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 18:14:10,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:10,477 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] [2020-10-27 18:14:10,478 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:10,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1671573206, now seen corresponding path program 1 times [2020-10-27 18:14:10,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:10,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733590636] [2020-10-27 18:14:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:11,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:11,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 18:14:11,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:11,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-27 18:14:11,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:11,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:14:11,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:14:11,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 18:14:11,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:14:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:11,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:11,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:11,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:11,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 18:14:11,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:14:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:14:11,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733590636] [2020-10-27 18:14:11,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:14:11,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:14:11,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882974883] [2020-10-27 18:14:11,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:11,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:11,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:11,646 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-27 18:14:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:15,011 INFO L93 Difference]: Finished difference Result 891 states and 1618 transitions. [2020-10-27 18:14:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:14:15,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-10-27 18:14:15,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:15,033 INFO L225 Difference]: With dead ends: 891 [2020-10-27 18:14:15,033 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 18:14:15,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:14:15,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 18:14:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 561. [2020-10-27 18:14:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 18:14:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 856 transitions. [2020-10-27 18:14:15,189 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 856 transitions. Word has length 71 [2020-10-27 18:14:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:15,191 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 856 transitions. [2020-10-27 18:14:15,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 856 transitions. [2020-10-27 18:14:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 18:14:15,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:15,198 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:15,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:14:15,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:15,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:15,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1481986889, now seen corresponding path program 1 times [2020-10-27 18:14:15,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:15,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053421916] [2020-10-27 18:14:15,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:16,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:16,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 18:14:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:14:16,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1661 [2020-10-27 18:14:16,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:16,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 18:14:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 18:14:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:17,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:17,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:17,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:17,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:17,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:14:17,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:17,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:17,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:17,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:17,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:14:17,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:14:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:14:17,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053421916] [2020-10-27 18:14:17,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:17,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:17,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782113273] [2020-10-27 18:14:17,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:17,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:17,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:17,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:17,320 INFO L87 Difference]: Start difference. First operand 561 states and 856 transitions. Second operand 5 states. [2020-10-27 18:14:18,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:18,857 INFO L93 Difference]: Finished difference Result 1153 states and 1755 transitions. [2020-10-27 18:14:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:18,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-27 18:14:18,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:18,865 INFO L225 Difference]: With dead ends: 1153 [2020-10-27 18:14:18,865 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 18:14:18,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 18:14:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 561. [2020-10-27 18:14:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 18:14:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 783 transitions. [2020-10-27 18:14:18,893 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 783 transitions. Word has length 140 [2020-10-27 18:14:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:18,894 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 783 transitions. [2020-10-27 18:14:18,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 783 transitions. [2020-10-27 18:14:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 18:14:18,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:18,898 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:18,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:14:18,898 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:18,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1017444561, now seen corresponding path program 1 times [2020-10-27 18:14:18,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:18,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101985975] [2020-10-27 18:14:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:21,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:21,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 18:14:21,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2137 [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:14:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:21,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:21,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:21,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:21,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:21,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 18:14:21,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:21,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 18:14:21,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 18:14:21,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:14:21,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101985975] [2020-10-27 18:14:21,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:21,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:21,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693329292] [2020-10-27 18:14:21,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:21,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:21,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:21,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:21,331 INFO L87 Difference]: Start difference. First operand 561 states and 783 transitions. Second operand 5 states. [2020-10-27 18:14:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:23,216 INFO L93 Difference]: Finished difference Result 1304 states and 1848 transitions. [2020-10-27 18:14:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:23,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-27 18:14:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:23,225 INFO L225 Difference]: With dead ends: 1304 [2020-10-27 18:14:23,226 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:14:23,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:23,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:14:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:14:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:14:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 977 transitions. [2020-10-27 18:14:23,257 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 977 transitions. Word has length 144 [2020-10-27 18:14:23,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:23,258 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 977 transitions. [2020-10-27 18:14:23,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 977 transitions. [2020-10-27 18:14:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-27 18:14:23,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:23,263 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:14:23,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:14:23,264 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:23,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:23,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1760363722, now seen corresponding path program 1 times [2020-10-27 18:14:23,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:23,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400903944] [2020-10-27 18:14:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:23,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:28,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:28,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 18:14:28,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:14:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 18:14:28,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-27 18:14:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 18:14:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:28,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 18:14:28,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 18:14:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:28,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 18:14:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:28,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:28,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:28,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:14:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 18:14:28,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:14:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 18:14:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-27 18:14:28,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400903944] [2020-10-27 18:14:28,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:28,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:28,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198186970] [2020-10-27 18:14:28,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:28,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:28,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:28,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:28,819 INFO L87 Difference]: Start difference. First operand 745 states and 977 transitions. Second operand 5 states. [2020-10-27 18:14:30,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:30,132 INFO L93 Difference]: Finished difference Result 1500 states and 1976 transitions. [2020-10-27 18:14:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:30,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-27 18:14:30,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:30,139 INFO L225 Difference]: With dead ends: 1500 [2020-10-27 18:14:30,139 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:14:30,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:14:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:14:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:14:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 974 transitions. [2020-10-27 18:14:30,174 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 974 transitions. Word has length 227 [2020-10-27 18:14:30,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:30,175 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 974 transitions. [2020-10-27 18:14:30,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 974 transitions. [2020-10-27 18:14:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-27 18:14:30,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:30,180 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:14:30,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:14:30,180 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:30,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:30,181 INFO L82 PathProgramCache]: Analyzing trace with hash -519297566, now seen corresponding path program 1 times [2020-10-27 18:14:30,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:30,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804225952] [2020-10-27 18:14:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:30,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:34,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:35,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:35,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 18:14:35,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:14:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:35,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:14:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:35,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:35,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:35,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 18:14:35,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:35,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:14:35,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 18:14:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:35,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:35,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 18:14:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-27 18:14:35,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804225952] [2020-10-27 18:14:35,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:35,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:35,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343093734] [2020-10-27 18:14:35,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:35,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:35,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:35,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:35,613 INFO L87 Difference]: Start difference. First operand 745 states and 974 transitions. Second operand 5 states. [2020-10-27 18:14:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:37,396 INFO L93 Difference]: Finished difference Result 1672 states and 2227 transitions. [2020-10-27 18:14:37,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:37,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2020-10-27 18:14:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:37,404 INFO L225 Difference]: With dead ends: 1672 [2020-10-27 18:14:37,404 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:14:37,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:37,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:14:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:14:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:14:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 952 transitions. [2020-10-27 18:14:37,439 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 952 transitions. Word has length 239 [2020-10-27 18:14:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:37,440 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 952 transitions. [2020-10-27 18:14:37,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 952 transitions. [2020-10-27 18:14:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-27 18:14:37,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:37,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:37,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:14:37,446 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:37,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:37,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1625422278, now seen corresponding path program 1 times [2020-10-27 18:14:37,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:37,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574794273] [2020-10-27 18:14:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:37,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:42,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:42,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-27 18:14:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 18:14:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:14:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:42,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:42,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:42,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:14:42,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 18:14:42,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:42,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 18:14:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 18:14:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 18:14:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:14:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-27 18:14:43,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574794273] [2020-10-27 18:14:43,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:43,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:43,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692788818] [2020-10-27 18:14:43,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:43,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:43,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:43,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:43,157 INFO L87 Difference]: Start difference. First operand 745 states and 952 transitions. Second operand 5 states. [2020-10-27 18:14:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:44,339 INFO L93 Difference]: Finished difference Result 1506 states and 1931 transitions. [2020-10-27 18:14:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:44,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 324 [2020-10-27 18:14:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:44,346 INFO L225 Difference]: With dead ends: 1506 [2020-10-27 18:14:44,346 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:14:44,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:44,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:14:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:14:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:14:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 950 transitions. [2020-10-27 18:14:44,374 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 950 transitions. Word has length 324 [2020-10-27 18:14:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:44,377 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 950 transitions. [2020-10-27 18:14:44,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 950 transitions. [2020-10-27 18:14:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-27 18:14:44,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:44,384 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:14:44,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:14:44,384 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:44,385 INFO L82 PathProgramCache]: Analyzing trace with hash 439556050, now seen corresponding path program 1 times [2020-10-27 18:14:44,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:44,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399449977] [2020-10-27 18:14:44,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:44,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:44,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:49,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-27 18:14:49,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:14:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 18:14:49,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-27 18:14:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 18:14:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:49,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:49,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:49,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:49,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:49,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:14:49,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:49,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:49,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:49,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:14:49,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 18:14:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:14:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 18:14:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:49,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:49,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 18:14:49,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 18:14:49,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:49,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 18:14:49,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:14:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-27 18:14:50,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399449977] [2020-10-27 18:14:50,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:50,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:50,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745388576] [2020-10-27 18:14:50,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:50,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:50,115 INFO L87 Difference]: Start difference. First operand 745 states and 950 transitions. Second operand 5 states. [2020-10-27 18:14:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:51,277 INFO L93 Difference]: Finished difference Result 1519 states and 1940 transitions. [2020-10-27 18:14:51,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:51,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 330 [2020-10-27 18:14:51,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:51,285 INFO L225 Difference]: With dead ends: 1519 [2020-10-27 18:14:51,285 INFO L226 Difference]: Without dead ends: 749 [2020-10-27 18:14:51,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:51,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-27 18:14:51,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-27 18:14:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-27 18:14:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 948 transitions. [2020-10-27 18:14:51,318 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 948 transitions. Word has length 330 [2020-10-27 18:14:51,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:51,318 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 948 transitions. [2020-10-27 18:14:51,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 948 transitions. [2020-10-27 18:14:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-27 18:14:51,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:51,322 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:51,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:14:51,322 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:51,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1087767530, now seen corresponding path program 1 times [2020-10-27 18:14:51,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:51,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217342811] [2020-10-27 18:14:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:51,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:51,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:54,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:14:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 283 [2020-10-27 18:14:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:14:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:14:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:56,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:56,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:56,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:14:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:14:56,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:14:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:56,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:56,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:56,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:14:56,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:14:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 18:14:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:56,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:14:56,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 18:14:56,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:14:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 18:14:56,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:14:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:14:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:14:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 18:14:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:14:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-27 18:14:56,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217342811] [2020-10-27 18:14:56,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:14:56,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:14:56,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043783094] [2020-10-27 18:14:56,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:14:56,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:14:56,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:14:56,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:14:56,842 INFO L87 Difference]: Start difference. First operand 745 states and 948 transitions. Second operand 5 states. [2020-10-27 18:14:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:14:58,717 INFO L93 Difference]: Finished difference Result 2224 states and 2872 transitions. [2020-10-27 18:14:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:14:58,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-10-27 18:14:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:14:58,729 INFO L225 Difference]: With dead ends: 2224 [2020-10-27 18:14:58,729 INFO L226 Difference]: Without dead ends: 1485 [2020-10-27 18:14:58,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:14:58,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2020-10-27 18:14:58,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1299. [2020-10-27 18:14:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-10-27 18:14:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1672 transitions. [2020-10-27 18:14:58,798 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1672 transitions. Word has length 342 [2020-10-27 18:14:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:14:58,799 INFO L481 AbstractCegarLoop]: Abstraction has 1299 states and 1672 transitions. [2020-10-27 18:14:58,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:14:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1672 transitions. [2020-10-27 18:14:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-27 18:14:58,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:14:58,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:14:58,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:14:58,804 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:14:58,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:14:58,804 INFO L82 PathProgramCache]: Analyzing trace with hash -136999442, now seen corresponding path program 1 times [2020-10-27 18:14:58,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:14:58,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579117843] [2020-10-27 18:14:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:14:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:14:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:58,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:14:59,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:02,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:02,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-27 18:15:02,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:15:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3688 [2020-10-27 18:15:02,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:15:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-27 18:15:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 18:15:02,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:15:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:02,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:02,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:02,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:15:02,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:02,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:15:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:02,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:02,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:02,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:15:02,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 18:15:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:15:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:15:02,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:02,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 18:15:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:15:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:15:02,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:15:02,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 18:15:02,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 18:15:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:15:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-27 18:15:02,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579117843] [2020-10-27 18:15:02,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:15:02,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:15:02,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029934169] [2020-10-27 18:15:02,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:15:02,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:15:02,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:15:02,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:15:02,983 INFO L87 Difference]: Start difference. First operand 1299 states and 1672 transitions. Second operand 5 states. [2020-10-27 18:15:04,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:15:04,892 INFO L93 Difference]: Finished difference Result 3699 states and 4808 transitions. [2020-10-27 18:15:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:15:04,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 344 [2020-10-27 18:15:04,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:15:04,894 INFO L225 Difference]: With dead ends: 3699 [2020-10-27 18:15:04,894 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:15:04,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:15:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:15:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:15:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:15:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:15:04,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2020-10-27 18:15:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:15:04,903 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:15:04,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:15:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:15:04,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:15:04,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:15:04,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:15:05,106 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2020-10-27 18:15:05,464 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2020-10-27 18:15:06,011 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 38 [2020-10-27 18:15:06,176 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 18:15:06,176 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 18:15:06,176 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 18:15:06,176 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 18:15:06,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:15:06,177 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:15:06,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:15:06,177 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-27 18:15:06,177 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:15:06,177 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:15:06,177 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:15:06,178 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-27 18:15:06,179 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,180 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,181 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,182 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-27 18:15:06,183 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:15:06,184 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-27 18:15:06,185 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,186 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= 8 |old(~a15~0)|))) (or .cse0 (not (<= 9 |old(~a21~0)|))) (or .cse0 (not (<= 12 |old(~a12~0)|))) (or (and (= 7 ~a15~0) .cse1 .cse2 .cse3) (not (= 7 |old(~a15~0)|))) (or (and (= 5 ~a15~0) .cse1 .cse2 .cse3) (not (= 5 |old(~a15~0)|)))))) [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-27 18:15:06,187 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-27 18:15:06,188 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (not (<= 8 |old(~a15~0)|)) (not (<= 9 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (= 7 |old(~a15~0)|)) (not (= 5 |old(~a15~0)|))) [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:15:06,189 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-27 18:15:06,190 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-27 18:15:06,191 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-27 18:15:06,192 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-27 18:15:06,193 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:15:06,194 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-27 18:15:06,195 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-27 18:15:06,196 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-27 18:15:06,197 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:15:06,198 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-27 18:15:06,199 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a15~0 8) [2020-10-27 18:15:06,200 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:15:06,200 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:15:06,200 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-27 18:15:06,201 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (= 7 ~a15~0) (= 5 ~a15~0) (<= 9 ~a21~0) (<= 8 ~a15~0) (<= 12 ~a12~0) (not (= 8 |old(~a15~0)|))) [2020-10-27 18:15:06,201 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-27 18:15:06,201 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:15:06,201 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 18:15:06,201 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (= 7 ~a15~0) (= 5 ~a15~0) (<= 9 ~a21~0) (<= 8 ~a15~0) (<= 12 ~a12~0) (not (= 8 |old(~a15~0)|))) [2020-10-27 18:15:06,201 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:15:06,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:15:06 BoogieIcfgContainer [2020-10-27 18:15:06,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:15:06,221 INFO L168 Benchmark]: Toolchain (without parser) took 58633.64 ms. Allocated memory was 151.0 MB in the beginning and 783.3 MB in the end (delta: 632.3 MB). Free memory was 124.3 MB in the beginning and 596.4 MB in the end (delta: -472.1 MB). Peak memory consumption was 470.3 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:06,222 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:15:06,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.15 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 131.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:06,223 INFO L168 Benchmark]: Boogie Preprocessor took 222.71 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 125.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:06,224 INFO L168 Benchmark]: RCFGBuilder took 1698.17 ms. Allocated memory was 151.0 MB in the beginning and 202.4 MB in the end (delta: 51.4 MB). Free memory was 125.3 MB in the beginning and 135.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:06,225 INFO L168 Benchmark]: TraceAbstraction took 55847.70 ms. Allocated memory was 202.4 MB in the beginning and 783.3 MB in the end (delta: 580.9 MB). Free memory was 134.7 MB in the beginning and 596.4 MB in the end (delta: -461.7 MB). Peak memory consumption was 428.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:15:06,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 851.15 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 131.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 222.71 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 125.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1698.17 ms. Allocated memory was 151.0 MB in the beginning and 202.4 MB in the end (delta: 51.4 MB). Free memory was 125.3 MB in the beginning and 135.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55847.70 ms. Allocated memory was 202.4 MB in the beginning and 783.3 MB in the end (delta: 580.9 MB). Free memory was 134.7 MB in the beginning and 596.4 MB in the end (delta: -461.7 MB). Peak memory consumption was 428.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((7 == a15 || 5 == a15) || 9 <= a21) || 8 <= a15) || 12 <= a12) || !(8 == \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 225 SDtfs, 2698 SDslu, 192 SDs, 0 SdLazy, 8248 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 64 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1299occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 214 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 121 PreInvPairs, 159 NumberOfFragments, 236 HoareAnnotationTreeSize, 121 FomulaSimplifications, 132024 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1760 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.4s InterpolantComputationTime, 2161 NumberOfCodeBlocks, 2161 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2152 ConstructedInterpolants, 0 QuantifiedInterpolants, 1319877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1354/1368 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...