/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:53:03,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:53:03,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:53:03,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:53:03,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:53:03,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:53:03,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:53:03,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:53:03,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:53:03,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:53:03,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:53:03,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:53:03,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:53:03,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:53:03,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:53:03,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:53:03,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:53:03,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:53:03,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:53:03,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:53:03,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:53:03,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:53:03,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:53:03,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:53:03,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:53:03,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:53:03,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:53:03,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:53:03,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:53:03,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:53:03,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:53:03,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:53:03,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:53:03,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:53:03,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:53:03,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:53:03,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:53:03,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:53:03,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:53:03,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:53:03,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:53:03,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:53:03,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:53:03,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:53:03,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:53:03,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:53:03,955 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:53:03,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:53:03,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:53:03,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:53:03,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:53:03,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:53:03,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:53:03,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:53:03,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:53:03,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:53:03,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:53:03,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:53:03,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:53:03,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:53:03,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:53:03,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:53:03,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:53:03,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:53:03,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:53:03,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:53:03,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:53:03,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:53:03,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:53:03,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:53:03,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:53:03,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:53:04,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:53:04,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:53:04,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:53:04,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:53:04,470 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:53:04,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59.c [2020-10-29 06:53:04,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c96268af/4cd12721ab8d406390e8d7af16f335c8/FLAG6a1c8a90d [2020-10-29 06:53:05,389 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:53:05,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label59.c [2020-10-29 06:53:05,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c96268af/4cd12721ab8d406390e8d7af16f335c8/FLAG6a1c8a90d [2020-10-29 06:53:05,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c96268af/4cd12721ab8d406390e8d7af16f335c8 [2020-10-29 06:53:05,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:53:05,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:53:05,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:53:05,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:53:05,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:53:05,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:53:05" (1/1) ... [2020-10-29 06:53:05,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0eba46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:05, skipping insertion in model container [2020-10-29 06:53:05,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:53:05" (1/1) ... [2020-10-29 06:53:05,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:53:05,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:53:06,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:53:06,389 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:53:06,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:53:06,614 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:53:06,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06 WrapperNode [2020-10-29 06:53:06,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:53:06,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:53:06,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:53:06,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:53:06,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... [2020-10-29 06:53:06,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:53:06,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:53:06,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:53:06,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:53:06,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:53:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:53:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:53:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:53:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:53:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:53:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:53:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:53:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:53:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:53:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:53:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:53:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:53:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:53:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:53:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:53:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:53:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:53:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:53:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:53:09,149 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:53:09,149 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:53:09,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:53:09 BoogieIcfgContainer [2020-10-29 06:53:09,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:53:09,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:53:09,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:53:09,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:53:09,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:53:05" (1/3) ... [2020-10-29 06:53:09,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500274f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:53:09, skipping insertion in model container [2020-10-29 06:53:09,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:53:06" (2/3) ... [2020-10-29 06:53:09,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500274f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:53:09, skipping insertion in model container [2020-10-29 06:53:09,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:53:09" (3/3) ... [2020-10-29 06:53:09,162 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2020-10-29 06:53:09,175 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:53:09,181 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:53:09,196 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:53:09,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:53:09,229 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:53:09,229 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:53:09,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:53:09,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:53:09,230 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:53:09,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:53:09,230 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:53:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:53:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-29 06:53:09,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:09,267 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] [2020-10-29 06:53:09,268 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:09,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:09,275 INFO L82 PathProgramCache]: Analyzing trace with hash -26578648, now seen corresponding path program 1 times [2020-10-29 06:53:09,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:09,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862867856] [2020-10-29 06:53:09,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:09,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:10,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:10,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:53:10,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-29 06:53:10,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:10,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:53:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:53:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:53:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:53:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:10,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:53:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:10,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:53:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:10,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862867856] [2020-10-29 06:53:10,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:53:10,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:53:10,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007883515] [2020-10-29 06:53:10,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:53:10,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:10,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:53:10,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:53:10,486 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-29 06:53:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:13,856 INFO L93 Difference]: Finished difference Result 798 states and 1400 transitions. [2020-10-29 06:53:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:53:13,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-29 06:53:13,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:13,876 INFO L225 Difference]: With dead ends: 798 [2020-10-29 06:53:13,876 INFO L226 Difference]: Without dead ends: 438 [2020-10-29 06:53:13,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:53:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-29 06:53:13,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 423. [2020-10-29 06:53:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-29 06:53:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2020-10-29 06:53:14,005 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 66 [2020-10-29 06:53:14,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:14,006 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2020-10-29 06:53:14,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:53:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2020-10-29 06:53:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 06:53:14,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:14,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:14,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:53:14,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:14,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:14,024 INFO L82 PathProgramCache]: Analyzing trace with hash -297540852, now seen corresponding path program 1 times [2020-10-29 06:53:14,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:14,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483166086] [2020-10-29 06:53:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:14,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:14,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:16,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 06:53:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:53:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2349 [2020-10-29 06:53:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:16,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 06:53:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 06:53:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:16,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:16,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:16,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:16,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 06:53:16,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:16,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:53:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:53:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:16,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:16,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 06:53:16,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 06:53:16,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:16,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 06:53:16,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:16,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483166086] [2020-10-29 06:53:16,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:53:16,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:53:16,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089043674] [2020-10-29 06:53:16,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:53:16,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:16,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:53:16,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:53:16,878 INFO L87 Difference]: Start difference. First operand 423 states and 674 transitions. Second operand 5 states. [2020-10-29 06:53:20,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:20,157 INFO L93 Difference]: Finished difference Result 1238 states and 2005 transitions. [2020-10-29 06:53:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:53:20,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-29 06:53:20,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:20,168 INFO L225 Difference]: With dead ends: 1238 [2020-10-29 06:53:20,168 INFO L226 Difference]: Without dead ends: 821 [2020-10-29 06:53:20,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:53:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-10-29 06:53:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 811. [2020-10-29 06:53:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-29 06:53:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1222 transitions. [2020-10-29 06:53:20,251 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1222 transitions. Word has length 135 [2020-10-29 06:53:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:20,252 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1222 transitions. [2020-10-29 06:53:20,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:53:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1222 transitions. [2020-10-29 06:53:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 06:53:20,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:20,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:20,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:53:20,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:20,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:20,257 INFO L82 PathProgramCache]: Analyzing trace with hash -542225884, now seen corresponding path program 1 times [2020-10-29 06:53:20,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:20,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543371887] [2020-10-29 06:53:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:20,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:22,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:22,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 06:53:22,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:53:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1804 [2020-10-29 06:53:22,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:22,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:53:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 06:53:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:22,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:22,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:22,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:22,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:22,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:53:22,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:22,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:53:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:53:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:22,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:22,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:22,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:53:22,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:22,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 06:53:22,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:22,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:22,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:22,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:22,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:53:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:22,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543371887] [2020-10-29 06:53:22,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:53:22,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:53:22,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139531402] [2020-10-29 06:53:22,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:53:22,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:22,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:53:22,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:53:22,481 INFO L87 Difference]: Start difference. First operand 811 states and 1222 transitions. Second operand 5 states. [2020-10-29 06:53:28,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:28,015 INFO L93 Difference]: Finished difference Result 2393 states and 3687 transitions. [2020-10-29 06:53:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:53:28,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-29 06:53:28,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:28,029 INFO L225 Difference]: With dead ends: 2393 [2020-10-29 06:53:28,030 INFO L226 Difference]: Without dead ends: 1588 [2020-10-29 06:53:28,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:53:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-10-29 06:53:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1200. [2020-10-29 06:53:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-29 06:53:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1722 transitions. [2020-10-29 06:53:28,096 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1722 transitions. Word has length 138 [2020-10-29 06:53:28,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:28,096 INFO L481 AbstractCegarLoop]: Abstraction has 1200 states and 1722 transitions. [2020-10-29 06:53:28,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:53:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1722 transitions. [2020-10-29 06:53:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-29 06:53:28,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:28,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:28,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:53:28,101 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:28,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:28,102 INFO L82 PathProgramCache]: Analyzing trace with hash -958852836, now seen corresponding path program 1 times [2020-10-29 06:53:28,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:28,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760937163] [2020-10-29 06:53:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:29,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 06:53:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:53:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 933 [2020-10-29 06:53:29,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:29,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-29 06:53:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 06:53:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:29,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:29,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:53:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:29,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:53:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:53:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:29,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:29,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 06:53:29,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:29,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 06:53:29,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:29,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 06:53:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:29,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760937163] [2020-10-29 06:53:29,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:53:29,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:53:29,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168525163] [2020-10-29 06:53:29,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:53:29,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:29,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:53:29,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:53:29,477 INFO L87 Difference]: Start difference. First operand 1200 states and 1722 transitions. Second operand 5 states. [2020-10-29 06:53:32,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:32,810 INFO L93 Difference]: Finished difference Result 3162 states and 4690 transitions. [2020-10-29 06:53:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:53:32,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-29 06:53:32,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:32,829 INFO L225 Difference]: With dead ends: 3162 [2020-10-29 06:53:32,830 INFO L226 Difference]: Without dead ends: 1968 [2020-10-29 06:53:32,834 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 [2020-10-29 06:53:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2020-10-29 06:53:32,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1194. [2020-10-29 06:53:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-29 06:53:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1713 transitions. [2020-10-29 06:53:32,901 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1713 transitions. Word has length 142 [2020-10-29 06:53:32,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:32,902 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 1713 transitions. [2020-10-29 06:53:32,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:53:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1713 transitions. [2020-10-29 06:53:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 06:53:32,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:32,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:32,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:53:32,907 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:32,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1140902924, now seen corresponding path program 1 times [2020-10-29 06:53:32,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:32,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275742509] [2020-10-29 06:53:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:32,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:33,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:34,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-29 06:53:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:53:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-29 06:53:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:34,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:53:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:53:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:53:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:34,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:34,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:34,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:34,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:34,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:53:34,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:34,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:53:34,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:35,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:35,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:53:35,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:35,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-29 06:53:35,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:35,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:53:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:53:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:35,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275742509] [2020-10-29 06:53:35,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:53:35,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:53:35,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295994370] [2020-10-29 06:53:35,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:53:35,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:35,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:53:35,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:53:35,597 INFO L87 Difference]: Start difference. First operand 1194 states and 1713 transitions. Second operand 7 states. [2020-10-29 06:53:39,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:39,345 INFO L93 Difference]: Finished difference Result 3263 states and 5279 transitions. [2020-10-29 06:53:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:53:39,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-29 06:53:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:39,373 INFO L225 Difference]: With dead ends: 3263 [2020-10-29 06:53:39,373 INFO L226 Difference]: Without dead ends: 2075 [2020-10-29 06:53:39,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:53:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2020-10-29 06:53:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 1985. [2020-10-29 06:53:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2020-10-29 06:53:39,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2764 transitions. [2020-10-29 06:53:39,496 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2764 transitions. Word has length 162 [2020-10-29 06:53:39,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:39,497 INFO L481 AbstractCegarLoop]: Abstraction has 1985 states and 2764 transitions. [2020-10-29 06:53:39,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:53:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2764 transitions. [2020-10-29 06:53:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 06:53:39,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:39,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:39,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:53:39,504 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:39,505 INFO L82 PathProgramCache]: Analyzing trace with hash -475258979, now seen corresponding path program 1 times [2020-10-29 06:53:39,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:39,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253872025] [2020-10-29 06:53:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:39,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:41,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:41,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-29 06:53:41,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:53:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1873 [2020-10-29 06:53:41,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:41,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:53:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:53:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 06:53:41,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:41,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:41,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:41,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:41,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:41,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 06:53:41,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:41,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:53:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:41,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:41,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:53:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:53:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 06:53:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:53:42,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253872025] [2020-10-29 06:53:42,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:53:42,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:53:42,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843856641] [2020-10-29 06:53:42,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:53:42,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:42,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:53:42,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:53:42,328 INFO L87 Difference]: Start difference. First operand 1985 states and 2764 transitions. Second operand 7 states. [2020-10-29 06:53:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:45,605 INFO L93 Difference]: Finished difference Result 5326 states and 7563 transitions. [2020-10-29 06:53:45,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:53:45,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-29 06:53:45,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:45,634 INFO L225 Difference]: With dead ends: 5326 [2020-10-29 06:53:45,634 INFO L226 Difference]: Without dead ends: 3347 [2020-10-29 06:53:45,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:53:45,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2020-10-29 06:53:45,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 3151. [2020-10-29 06:53:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3151 states. [2020-10-29 06:53:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4008 transitions. [2020-10-29 06:53:45,758 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4008 transitions. Word has length 197 [2020-10-29 06:53:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:45,759 INFO L481 AbstractCegarLoop]: Abstraction has 3151 states and 4008 transitions. [2020-10-29 06:53:45,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:53:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4008 transitions. [2020-10-29 06:53:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-29 06:53:45,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:45,769 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:45,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:53:45,769 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:45,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:45,770 INFO L82 PathProgramCache]: Analyzing trace with hash -710521241, now seen corresponding path program 1 times [2020-10-29 06:53:45,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:45,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680468675] [2020-10-29 06:53:45,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:45,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:46,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:47,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:48,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:48,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-29 06:53:48,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2884 [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:53:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 06:53:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:48,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:48,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:48,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:53:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:48,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:49,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:49,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:53:49,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:53:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:53:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:49,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:49,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:53:49,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-29 06:53:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:49,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:53:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:53:49,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680468675] [2020-10-29 06:53:49,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:53:49,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:53:49,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755715231] [2020-10-29 06:53:49,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:53:49,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:49,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:53:49,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:53:49,584 INFO L87 Difference]: Start difference. First operand 3151 states and 4008 transitions. Second operand 7 states. [2020-10-29 06:53:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:53,325 INFO L93 Difference]: Finished difference Result 7872 states and 10132 transitions. [2020-10-29 06:53:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:53:53,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2020-10-29 06:53:53,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:53,354 INFO L225 Difference]: With dead ends: 7872 [2020-10-29 06:53:53,355 INFO L226 Difference]: Without dead ends: 4727 [2020-10-29 06:53:53,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:53:53,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2020-10-29 06:53:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 4523. [2020-10-29 06:53:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4523 states. [2020-10-29 06:53:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 5554 transitions. [2020-10-29 06:53:53,531 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 5554 transitions. Word has length 293 [2020-10-29 06:53:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:53,532 INFO L481 AbstractCegarLoop]: Abstraction has 4523 states and 5554 transitions. [2020-10-29 06:53:53,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:53:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 5554 transitions. [2020-10-29 06:53:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-29 06:53:53,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:53,548 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:53,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:53:53,548 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:53,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:53,549 INFO L82 PathProgramCache]: Analyzing trace with hash -160277053, now seen corresponding path program 1 times [2020-10-29 06:53:53,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:53,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862527303] [2020-10-29 06:53:53,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:53,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:54,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:56,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:58,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:58,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-29 06:53:58,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 06:53:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-29 06:53:58,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:58,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:53:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-29 06:53:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:53:58,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:53:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:58,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:58,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:53:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:53:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 06:53:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:58,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:53:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:53:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:58,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:59,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:59,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:53:59,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:53:59,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 06:53:59,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:59,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:59,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:53:59,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 06:53:59,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:53:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:53:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:53:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:59,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:53:59,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:53:59,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 06:53:59,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:53:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-29 06:53:59,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:53:59,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:53:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:53:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-29 06:53:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 06:53:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:53:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-29 06:53:59,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862527303] [2020-10-29 06:53:59,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:53:59,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:53:59,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323577991] [2020-10-29 06:53:59,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:53:59,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:53:59,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:53:59,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:53:59,699 INFO L87 Difference]: Start difference. First operand 4523 states and 5554 transitions. Second operand 6 states. [2020-10-29 06:54:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:01,995 INFO L93 Difference]: Finished difference Result 8849 states and 10896 transitions. [2020-10-29 06:54:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:54:01,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 352 [2020-10-29 06:54:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:02,020 INFO L225 Difference]: With dead ends: 8849 [2020-10-29 06:54:02,021 INFO L226 Difference]: Without dead ends: 4332 [2020-10-29 06:54:02,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:02,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2020-10-29 06:54:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4327. [2020-10-29 06:54:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4327 states. [2020-10-29 06:54:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 5321 transitions. [2020-10-29 06:54:02,160 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 5321 transitions. Word has length 352 [2020-10-29 06:54:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:02,160 INFO L481 AbstractCegarLoop]: Abstraction has 4327 states and 5321 transitions. [2020-10-29 06:54:02,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:54:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 5321 transitions. [2020-10-29 06:54:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-29 06:54:02,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:02,174 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:54:02,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:54:02,175 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:02,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:02,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1354849181, now seen corresponding path program 1 times [2020-10-29 06:54:02,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:02,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085185421] [2020-10-29 06:54:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:03,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1185 [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:54:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-29 06:54:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:54:03,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:03,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:54:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:54:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:03,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 06:54:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:54:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:03,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:04,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:04,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 06:54:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:54:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 06:54:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-29 06:54:04,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085185421] [2020-10-29 06:54:04,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:04,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:54:04,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583380379] [2020-10-29 06:54:04,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:54:04,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:04,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:54:04,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:54:04,415 INFO L87 Difference]: Start difference. First operand 4327 states and 5321 transitions. Second operand 6 states. [2020-10-29 06:54:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:06,583 INFO L93 Difference]: Finished difference Result 8642 states and 10664 transitions. [2020-10-29 06:54:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:54:06,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 356 [2020-10-29 06:54:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:06,604 INFO L225 Difference]: With dead ends: 8642 [2020-10-29 06:54:06,605 INFO L226 Difference]: Without dead ends: 4321 [2020-10-29 06:54:06,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:06,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2020-10-29 06:54:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 4316. [2020-10-29 06:54:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4316 states. [2020-10-29 06:54:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 5299 transitions. [2020-10-29 06:54:06,743 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 5299 transitions. Word has length 356 [2020-10-29 06:54:06,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:06,744 INFO L481 AbstractCegarLoop]: Abstraction has 4316 states and 5299 transitions. [2020-10-29 06:54:06,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:54:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 5299 transitions. [2020-10-29 06:54:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-29 06:54:06,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:06,759 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:54:06,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:54:06,760 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:06,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:06,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1035152650, now seen corresponding path program 1 times [2020-10-29 06:54:06,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:06,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763787574] [2020-10-29 06:54:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:07,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:11,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:11,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-29 06:54:11,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 06:54:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:12,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:12,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:12,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:54:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:12,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:12,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:54:12,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 06:54:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:12,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:54:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-29 06:54:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 265 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:54:12,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763787574] [2020-10-29 06:54:12,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:12,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:54:12,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449463898] [2020-10-29 06:54:12,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:54:12,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:12,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:54:12,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:12,785 INFO L87 Difference]: Start difference. First operand 4316 states and 5299 transitions. Second operand 7 states. [2020-10-29 06:54:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:17,400 INFO L93 Difference]: Finished difference Result 9913 states and 12791 transitions. [2020-10-29 06:54:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:54:17,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2020-10-29 06:54:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:17,431 INFO L225 Difference]: With dead ends: 9913 [2020-10-29 06:54:17,432 INFO L226 Difference]: Without dead ends: 5603 [2020-10-29 06:54:17,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:54:17,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5603 states. [2020-10-29 06:54:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5603 to 5296. [2020-10-29 06:54:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5296 states. [2020-10-29 06:54:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 6446 transitions. [2020-10-29 06:54:17,635 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 6446 transitions. Word has length 373 [2020-10-29 06:54:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:17,636 INFO L481 AbstractCegarLoop]: Abstraction has 5296 states and 6446 transitions. [2020-10-29 06:54:17,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:54:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 6446 transitions. [2020-10-29 06:54:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-10-29 06:54:17,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:17,655 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:54:17,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:54:17,655 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:17,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1784482948, now seen corresponding path program 1 times [2020-10-29 06:54:17,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:17,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824581861] [2020-10-29 06:54:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:17,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:18,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:22,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:54:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:54:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:22,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:22,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:22,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:22,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:22,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:54:22,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:54:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:22,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 06:54:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:23,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:23,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:54:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:54:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 06:54:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:23,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:23,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:23,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:54:23,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:23,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:54:23,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:23,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-29 06:54:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 247 proven. 85 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 06:54:23,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824581861] [2020-10-29 06:54:23,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:23,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:54:23,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139503245] [2020-10-29 06:54:23,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:54:23,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:23,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:54:23,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:23,302 INFO L87 Difference]: Start difference. First operand 5296 states and 6446 transitions. Second operand 7 states. [2020-10-29 06:54:23,828 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:54:28,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:28,363 INFO L93 Difference]: Finished difference Result 12046 states and 15294 transitions. [2020-10-29 06:54:28,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:54:28,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 376 [2020-10-29 06:54:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:28,395 INFO L225 Difference]: With dead ends: 12046 [2020-10-29 06:54:28,395 INFO L226 Difference]: Without dead ends: 6954 [2020-10-29 06:54:28,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:54:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2020-10-29 06:54:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6828. [2020-10-29 06:54:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6828 states. [2020-10-29 06:54:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6828 states to 6828 states and 8273 transitions. [2020-10-29 06:54:28,628 INFO L78 Accepts]: Start accepts. Automaton has 6828 states and 8273 transitions. Word has length 376 [2020-10-29 06:54:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:28,628 INFO L481 AbstractCegarLoop]: Abstraction has 6828 states and 8273 transitions. [2020-10-29 06:54:28,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:54:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6828 states and 8273 transitions. [2020-10-29 06:54:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-29 06:54:28,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:28,654 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:54:28,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:54:28,654 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:28,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:28,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1801576121, now seen corresponding path program 1 times [2020-10-29 06:54:28,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:28,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71519808] [2020-10-29 06:54:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:33,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-29 06:54:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 06:54:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:33,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:33,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:33,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:33,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:33,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:54:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:34,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:34,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:34,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:54:34,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:34,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 06:54:34,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:34,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:54:34,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:34,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-29 06:54:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:34,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:54:34,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-29 06:54:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:34,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:54:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:54:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-29 06:54:34,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71519808] [2020-10-29 06:54:34,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:34,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:54:34,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215634313] [2020-10-29 06:54:34,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:54:34,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:34,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:54:34,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:34,549 INFO L87 Difference]: Start difference. First operand 6828 states and 8273 transitions. Second operand 7 states. [2020-10-29 06:54:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:39,030 INFO L93 Difference]: Finished difference Result 15415 states and 19062 transitions. [2020-10-29 06:54:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:54:39,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 400 [2020-10-29 06:54:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:39,064 INFO L225 Difference]: With dead ends: 15415 [2020-10-29 06:54:39,065 INFO L226 Difference]: Without dead ends: 8597 [2020-10-29 06:54:39,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:54:39,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8597 states. [2020-10-29 06:54:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8597 to 8368. [2020-10-29 06:54:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8368 states. [2020-10-29 06:54:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8368 states to 8368 states and 10141 transitions. [2020-10-29 06:54:39,324 INFO L78 Accepts]: Start accepts. Automaton has 8368 states and 10141 transitions. Word has length 400 [2020-10-29 06:54:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:39,325 INFO L481 AbstractCegarLoop]: Abstraction has 8368 states and 10141 transitions. [2020-10-29 06:54:39,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:54:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8368 states and 10141 transitions. [2020-10-29 06:54:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2020-10-29 06:54:39,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:39,352 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:54:39,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:54:39,353 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:39,353 INFO L82 PathProgramCache]: Analyzing trace with hash -361431364, now seen corresponding path program 1 times [2020-10-29 06:54:39,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:39,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488105179] [2020-10-29 06:54:39,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:39,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:40,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:44,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 429 [2020-10-29 06:54:44,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:54:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:44,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:44,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:44,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 06:54:44,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 06:54:44,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:44,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 06:54:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 06:54:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:54:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 06:54:44,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:44,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:54:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:54:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-29 06:54:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:44,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-29 06:54:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 261 proven. 85 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-29 06:54:45,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488105179] [2020-10-29 06:54:45,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:45,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:54:45,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528820448] [2020-10-29 06:54:45,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:54:45,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:45,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:54:45,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:45,206 INFO L87 Difference]: Start difference. First operand 8368 states and 10141 transitions. Second operand 7 states. [2020-10-29 06:54:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:49,880 INFO L93 Difference]: Finished difference Result 16711 states and 21067 transitions. [2020-10-29 06:54:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:54:49,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 413 [2020-10-29 06:54:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:54:49,923 INFO L225 Difference]: With dead ends: 16711 [2020-10-29 06:54:49,924 INFO L226 Difference]: Without dead ends: 9303 [2020-10-29 06:54:49,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:54:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9303 states. [2020-10-29 06:54:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9303 to 9148. [2020-10-29 06:54:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9148 states. [2020-10-29 06:54:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9148 states to 9148 states and 11089 transitions. [2020-10-29 06:54:50,212 INFO L78 Accepts]: Start accepts. Automaton has 9148 states and 11089 transitions. Word has length 413 [2020-10-29 06:54:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:54:50,213 INFO L481 AbstractCegarLoop]: Abstraction has 9148 states and 11089 transitions. [2020-10-29 06:54:50,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:54:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 9148 states and 11089 transitions. [2020-10-29 06:54:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-29 06:54:50,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:54:50,243 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:54:50,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:54:50,243 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:54:50,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:54:50,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1668864143, now seen corresponding path program 1 times [2020-10-29 06:54:50,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:54:50,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001596976] [2020-10-29 06:54:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:54:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:50,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:50,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:51,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:54,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:55,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:55,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 430 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:54:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:54:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:54:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:55,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:54:55,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:55,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:54:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:55,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:55,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 06:54:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:55,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:54:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:55,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:55,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:55,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:54:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:54:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 06:54:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:54:55,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:54:55,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:54:55,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:54:55,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:54:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:54:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 261 proven. 85 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-29 06:54:56,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001596976] [2020-10-29 06:54:56,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:54:56,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:54:56,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448787570] [2020-10-29 06:54:56,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:54:56,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:54:56,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:54:56,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:54:56,040 INFO L87 Difference]: Start difference. First operand 9148 states and 11089 transitions. Second operand 7 states. [2020-10-29 06:54:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:54:59,968 INFO L93 Difference]: Finished difference Result 19059 states and 23151 transitions. [2020-10-29 06:54:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:54:59,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 414 [2020-10-29 06:54:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:55:00,007 INFO L225 Difference]: With dead ends: 19059 [2020-10-29 06:55:00,007 INFO L226 Difference]: Without dead ends: 10873 [2020-10-29 06:55:00,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:55:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10873 states. [2020-10-29 06:55:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10873 to 10870. [2020-10-29 06:55:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10870 states. [2020-10-29 06:55:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10870 states to 10870 states and 13053 transitions. [2020-10-29 06:55:00,306 INFO L78 Accepts]: Start accepts. Automaton has 10870 states and 13053 transitions. Word has length 414 [2020-10-29 06:55:00,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:55:00,307 INFO L481 AbstractCegarLoop]: Abstraction has 10870 states and 13053 transitions. [2020-10-29 06:55:00,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:55:00,307 INFO L276 IsEmpty]: Start isEmpty. Operand 10870 states and 13053 transitions. [2020-10-29 06:55:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-10-29 06:55:00,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:55:00,337 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:55:00,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:55:00,338 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:55:00,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:55:00,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1726538870, now seen corresponding path program 1 times [2020-10-29 06:55:00,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:55:00,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588042011] [2020-10-29 06:55:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:55:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:55:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:55:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 446 [2020-10-29 06:55:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1407 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 378 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 06:55:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:55:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:55:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:55:02,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:02,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:55:02,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:55:02,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:55:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:55:02,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:55:02,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:55:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:55:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:55:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:55:02,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:55:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:55:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:55:02,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:02,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:55:02,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:55:02,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:55:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 06:55:02,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:55:02,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:55:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:55:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:55:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:55:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:55:02,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:55:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:55:02,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:55:02,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:55:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:55:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:55:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:55:02,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:55:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:55:02,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:55:02,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:55:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:55:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:55:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-29 06:55:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:55:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-29 06:55:02,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588042011] [2020-10-29 06:55:02,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:55:02,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:55:02,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729507393] [2020-10-29 06:55:02,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:55:02,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:55:02,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:55:02,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:55:02,633 INFO L87 Difference]: Start difference. First operand 10870 states and 13053 transitions. Second operand 5 states. [2020-10-29 06:55:06,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:55:06,142 INFO L93 Difference]: Finished difference Result 20957 states and 25206 transitions. [2020-10-29 06:55:06,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:55:06,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 430 [2020-10-29 06:55:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:55:06,145 INFO L225 Difference]: With dead ends: 20957 [2020-10-29 06:55:06,145 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:55:06,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:55:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:55:06,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:55:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:55:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:55:06,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2020-10-29 06:55:06,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:55:06,169 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:55:06,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:55:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:55:06,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:55:06,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:55:06,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:55:09,826 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 498 DAG size of output: 304 [2020-10-29 06:55:11,029 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 498 DAG size of output: 304 [2020-10-29 06:55:11,434 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2020-10-29 06:55:13,096 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 263 DAG size of output: 60 [2020-10-29 06:55:14,791 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 273 DAG size of output: 47 [2020-10-29 06:55:16,537 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 273 DAG size of output: 47 [2020-10-29 06:55:17,308 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2020-10-29 06:55:17,313 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:55:17,313 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:55:17,313 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:55:17,313 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:55:17,313 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:55:17,314 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|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~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)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,314 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:55:17,315 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:55:17,315 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,315 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,315 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,315 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,316 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,317 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,318 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:55:17,319 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,320 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,321 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L270 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (<= 10 |old(~a25~0)|))) (.cse1 (not (= |old(~a4~0)| 1))) (.cse4 (not (<= 141 |old(~a29~0)|))) (.cse2 (not (= ~a8~0 15))) (.cse5 (not (<= |old(~a23~0)| 211))) (.cse3 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (<= |old(~a23~0)| 265)) .cse3) (or .cse2 (not (= 12 |old(~a25~0)|)) .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse2 .cse5 .cse3 (not (<= |old(~a29~0)| 232))) (or .cse0 .cse2 (not (<= |old(~a29~0)| 130)) .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 (not (<= 246 |old(~a29~0)|)) .cse5 .cse3))) [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,322 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,323 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,324 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:55:17,325 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a23~0 |old(~a23~0)|)) (.cse10 (= ~a29~0 |old(~a29~0)|))) (let ((.cse0 (not (<= 10 |old(~a25~0)|))) (.cse4 (not (<= |old(~a23~0)| 211))) (.cse2 (and .cse8 .cse9 .cse10 (= ~a4~0 |old(~a4~0)|))) (.cse5 (not (= |old(~a4~0)| 1))) (.cse1 (not (= ~a8~0 15))) (.cse6 (and .cse8 .cse9 .cse10 (= ~a4~0 1))) (.cse7 (not (<= 141 |old(~a29~0)|))) (.cse3 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a29~0)| 130)) .cse3) (or .cse1 .cse2 .cse4 .cse3 (not (<= |old(~a29~0)| 232))) (or .cse1 (not (<= 246 |old(~a29~0)|)) .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse1 (not (<= |old(~a23~0)| 265)) .cse3) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse1 (not (= 12 |old(~a25~0)|)) .cse7 .cse2 .cse3) (or .cse5 .cse1 .cse6 .cse7 .cse3)))) [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:55:17,326 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,327 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,328 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,329 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:55:17,330 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:55:17,331 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,332 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:55:17,333 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:55:17,333 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,333 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,333 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:55:17,334 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:55:17,335 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,336 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,337 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,338 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,339 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,339 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:55:17,340 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:55:17,341 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,342 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,342 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,342 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,344 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,344 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,345 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,346 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:55:17,347 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 10 ~a25~0) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-29 06:55:17,347 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:55:17,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:55:17,348 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-29 06:55:17,348 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:55:17,348 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (<= 141 ~a29~0)) (.cse2 (<= 10 ~a25~0)) (.cse3 (= ~a4~0 1)) (.cse1 (<= ~a23~0 211))) (or (not (<= 10 |old(~a25~0)|)) (and .cse0 (= ~a25~0 12)) (not (= ~a8~0 15)) (and .cse1 (<= 246 ~a29~0)) (and .cse2 .cse1) (not (= ~a3~0 1)) (and .cse0 .cse3) (not (= |old(~a4~0)| 1)) (and .cse2 (<= ~a29~0 130)) (and .cse2 .cse3) (and (<= ~a23~0 265) .cse3) (and .cse1 (<= ~a29~0 232)) (not (<= |old(~a29~0)| 130)))) [2020-10-29 06:55:17,348 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:55:17,348 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:55:17,348 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= 141 ~a29~0)) (.cse2 (<= 10 ~a25~0)) (.cse3 (= ~a4~0 1)) (.cse1 (<= ~a23~0 211))) (or (not (<= 10 |old(~a25~0)|)) (and .cse0 (= ~a25~0 12)) (not (= ~a8~0 15)) (and .cse1 (<= 246 ~a29~0)) (and .cse2 .cse1) (not (= ~a3~0 1)) (and .cse0 .cse3) (not (= |old(~a4~0)| 1)) (and .cse2 (<= ~a29~0 130)) (and .cse2 .cse3) (and (<= ~a23~0 265) .cse3) (and .cse1 (<= ~a29~0 232)) (not (<= |old(~a29~0)| 130)))) [2020-10-29 06:55:17,348 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:55:17,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:55:17 BoogieIcfgContainer [2020-10-29 06:55:17,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:55:17,386 INFO L168 Benchmark]: Toolchain (without parser) took 131808.16 ms. Allocated memory was 125.8 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 98.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 849.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:55:17,387 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:55:17,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1029.50 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 97.8 MB in the beginning and 116.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:55:17,400 INFO L168 Benchmark]: Boogie Preprocessor took 200.05 ms. Allocated memory is still 155.2 MB. Free memory was 116.7 MB in the beginning and 109.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:55:17,400 INFO L168 Benchmark]: RCFGBuilder took 2334.66 ms. Allocated memory is still 155.2 MB. Free memory was 109.3 MB in the beginning and 70.0 MB in the end (delta: 39.3 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:55:17,401 INFO L168 Benchmark]: TraceAbstraction took 128229.36 ms. Allocated memory was 155.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 69.5 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 789.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:55:17,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 125.8 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1029.50 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 97.8 MB in the beginning and 116.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 200.05 ms. Allocated memory is still 155.2 MB. Free memory was 116.7 MB in the beginning and 109.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2334.66 ms. Allocated memory is still 155.2 MB. Free memory was 109.3 MB in the beginning and 70.0 MB in the end (delta: 39.3 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 128229.36 ms. Allocated memory was 155.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 69.5 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 789.7 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: 1036]: Loop Invariant Derived loop invariant: (((((((((((!(10 <= \old(a25)) || (141 <= a29 && a25 == 12)) || !(a8 == 15)) || (a23 <= 211 && 246 <= a29)) || (10 <= a25 && a23 <= 211)) || !(a3 == 1)) || (141 <= a29 && a4 == 1)) || !(\old(a4) == 1)) || (10 <= a25 && a29 <= 130)) || (10 <= a25 && a4 == 1)) || (a23 <= 265 && a4 == 1)) || (a23 <= 211 && a29 <= 232)) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 116.9s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 57.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 729 SDtfs, 8727 SDslu, 1136 SDs, 0 SdLazy, 21645 SolverSat, 2845 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 40.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10870occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 2507 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 745 PreInvPairs, 871 NumberOfFragments, 651 HoareAnnotationTreeSize, 745 FomulaSimplifications, 9604849 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 141775 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 54.2s InterpolantComputationTime, 4247 NumberOfCodeBlocks, 4247 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4232 ConstructedInterpolants, 0 QuantifiedInterpolants, 2931773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 3232/3501 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...