/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:45:26,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:45:26,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:45:26,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:45:26,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:45:26,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:45:26,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:45:26,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:45:26,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:45:26,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:45:26,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:45:26,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:45:26,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:45:26,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:45:26,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:45:26,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:45:26,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:45:26,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:45:26,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:45:26,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:45:26,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:45:26,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:45:26,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:45:26,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:45:26,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:45:26,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:45:26,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:45:26,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:45:26,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:45:26,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:45:26,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:45:26,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:45:26,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:45:26,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:45:26,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:45:26,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:45:26,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:45:26,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:45:26,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:45:26,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:45:26,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:45:26,910 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 06:45:26,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:45:26,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:45:26,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:45:26,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:45:26,985 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:45:26,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:45:26,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:45:26,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:45:26,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:45:26,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:45:26,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:45:26,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:45:26,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:45:26,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:45:26,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:45:26,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:45:26,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:45:26,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:45:26,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:45:26,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:45:26,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:45:26,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:45:26,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:45:26,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:45:26,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:45:26,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:45:26,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:45:26,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:45:26,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:45:26,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:45:27,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:45:27,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:45:27,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:45:27,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:45:27,455 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:45:27,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-29 06:45:27,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42bf2dd13/3d04f1b077484269940e57750e63da20/FLAG6b59b111e [2020-10-29 06:45:28,479 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:45:28,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-29 06:45:28,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42bf2dd13/3d04f1b077484269940e57750e63da20/FLAG6b59b111e [2020-10-29 06:45:28,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42bf2dd13/3d04f1b077484269940e57750e63da20 [2020-10-29 06:45:28,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:45:28,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:45:28,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:45:28,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:45:28,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:45:28,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:28" (1/1) ... [2020-10-29 06:45:28,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:28, skipping insertion in model container [2020-10-29 06:45:28,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:28" (1/1) ... [2020-10-29 06:45:28,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:45:28,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:45:29,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:45:29,303 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:45:29,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:45:29,685 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:45:29,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29 WrapperNode [2020-10-29 06:45:29,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:45:29,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:45:29,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:45:29,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:45:29,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... [2020-10-29 06:45:29,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:45:29,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:45:29,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:45:29,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:45:29,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:45:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:45:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:45:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:45:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:45:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:45:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:45:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:45:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:45:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:45:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:45:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:45:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:45:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:45:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:45:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:45:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:45:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:45:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:45:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:45:32,612 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:45:32,613 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:45:32,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:32 BoogieIcfgContainer [2020-10-29 06:45:32,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:45:32,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:45:32,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:45:32,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:45:32,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:45:28" (1/3) ... [2020-10-29 06:45:32,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78833be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:32, skipping insertion in model container [2020-10-29 06:45:32,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:29" (2/3) ... [2020-10-29 06:45:32,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78833be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:32, skipping insertion in model container [2020-10-29 06:45:32,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:32" (3/3) ... [2020-10-29 06:45:32,626 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2020-10-29 06:45:32,640 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:45:32,647 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:45:32,663 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:45:32,699 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:45:32,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:45:32,700 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:45:32,700 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:45:32,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:45:32,701 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:45:32,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:45:32,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:45:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:45:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 06:45:32,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:32,741 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] [2020-10-29 06:45:32,742 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:32,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:32,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2022965314, now seen corresponding path program 1 times [2020-10-29 06:45:32,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:32,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022234005] [2020-10-29 06:45:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:33,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 06:45:33,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-29 06:45:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:33,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 06:45:33,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 06:45:33,691 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-29 06:45:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:33,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:33,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:45:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:33,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:33,805 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 06:45:33,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022234005] [2020-10-29 06:45:33,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:33,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:45:33,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839029478] [2020-10-29 06:45:33,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:45:33,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:33,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:45:33,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:45:33,840 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:45:34,052 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:45:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:37,055 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-29 06:45:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:37,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-29 06:45:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:37,076 INFO L225 Difference]: With dead ends: 793 [2020-10-29 06:45:37,076 INFO L226 Difference]: Without dead ends: 432 [2020-10-29 06:45:37,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:37,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-29 06:45:37,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-29 06:45:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-29 06:45:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-29 06:45:37,194 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 31 [2020-10-29 06:45:37,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:37,195 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-29 06:45:37,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:45:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-29 06:45:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-29 06:45:37,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:37,201 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:37,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:45:37,202 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:37,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1246788317, now seen corresponding path program 1 times [2020-10-29 06:45:37,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:37,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851679716] [2020-10-29 06:45:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:37,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:45:38,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-10-29 06:45:38,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:38,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:45:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:45:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:39,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:39,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:39,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 06:45:39,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:39,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:39,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:45:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-29 06:45:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:39,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:45:39,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:39,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851679716] [2020-10-29 06:45:39,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:39,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:39,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963699945] [2020-10-29 06:45:39,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:39,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:39,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:39,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:39,507 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 7 states. [2020-10-29 06:45:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:42,786 INFO L93 Difference]: Finished difference Result 1277 states and 1862 transitions. [2020-10-29 06:45:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:42,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-10-29 06:45:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:42,797 INFO L225 Difference]: With dead ends: 1277 [2020-10-29 06:45:42,798 INFO L226 Difference]: Without dead ends: 857 [2020-10-29 06:45:42,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-29 06:45:42,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 821. [2020-10-29 06:45:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-10-29 06:45:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1098 transitions. [2020-10-29 06:45:42,911 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1098 transitions. Word has length 103 [2020-10-29 06:45:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:42,912 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1098 transitions. [2020-10-29 06:45:42,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1098 transitions. [2020-10-29 06:45:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 06:45:42,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:42,923 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:42,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:45:42,924 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:42,924 INFO L82 PathProgramCache]: Analyzing trace with hash 242240563, now seen corresponding path program 1 times [2020-10-29 06:45:42,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:42,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065627757] [2020-10-29 06:45:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:43,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:43,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:45:44,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1743 [2020-10-29 06:45:44,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:44,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:45:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:45:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:44,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:44,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:44,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:44,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:44,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:45,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:45,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:45:45,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-29 06:45:45,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:45,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:45:45,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:45,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065627757] [2020-10-29 06:45:45,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:45:45,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:45:45,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948048492] [2020-10-29 06:45:45,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:45:45,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:45,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:45:45,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:45:45,300 INFO L87 Difference]: Start difference. First operand 821 states and 1098 transitions. Second operand 7 states. [2020-10-29 06:45:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:48,855 INFO L93 Difference]: Finished difference Result 2471 states and 3337 transitions. [2020-10-29 06:45:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:45:48,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-29 06:45:48,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:48,871 INFO L225 Difference]: With dead ends: 2471 [2020-10-29 06:45:48,871 INFO L226 Difference]: Without dead ends: 1656 [2020-10-29 06:45:48,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:48,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-29 06:45:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1617. [2020-10-29 06:45:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2020-10-29 06:45:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2023 transitions. [2020-10-29 06:45:48,971 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2023 transitions. Word has length 111 [2020-10-29 06:45:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:48,972 INFO L481 AbstractCegarLoop]: Abstraction has 1617 states and 2023 transitions. [2020-10-29 06:45:48,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:45:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2023 transitions. [2020-10-29 06:45:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 06:45:48,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:48,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:45:48,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:45:48,991 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash -878578518, now seen corresponding path program 1 times [2020-10-29 06:45:48,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:48,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129812987] [2020-10-29 06:45:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:49,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-29 06:45:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-29 06:45:49,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:49,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:45:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 06:45:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:49,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:49,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:49,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:49,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:45:49,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:49,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:49,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:45:49,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 06:45:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:49,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:45:49,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 06:45:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:45:49,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129812987] [2020-10-29 06:45:49,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:49,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:45:49,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600891502] [2020-10-29 06:45:49,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:45:49,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:49,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:45:49,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:45:49,907 INFO L87 Difference]: Start difference. First operand 1617 states and 2023 transitions. Second operand 5 states. [2020-10-29 06:45:52,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:52,458 INFO L93 Difference]: Finished difference Result 3452 states and 4530 transitions. [2020-10-29 06:45:52,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:45:52,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-29 06:45:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:52,479 INFO L225 Difference]: With dead ends: 3452 [2020-10-29 06:45:52,479 INFO L226 Difference]: Without dead ends: 2219 [2020-10-29 06:45:52,484 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 06:45:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2020-10-29 06:45:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2199. [2020-10-29 06:45:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2199 states. [2020-10-29 06:45:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 2199 states and 2753 transitions. [2020-10-29 06:45:52,588 INFO L78 Accepts]: Start accepts. Automaton has 2199 states and 2753 transitions. Word has length 162 [2020-10-29 06:45:52,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:52,590 INFO L481 AbstractCegarLoop]: Abstraction has 2199 states and 2753 transitions. [2020-10-29 06:45:52,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:45:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2753 transitions. [2020-10-29 06:45:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-29 06:45:52,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:52,598 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:45:52,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:45:52,598 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:52,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:52,599 INFO L82 PathProgramCache]: Analyzing trace with hash 73337590, now seen corresponding path program 1 times [2020-10-29 06:45:52,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:52,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428313932] [2020-10-29 06:45:52,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:52,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:52,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:54,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:55,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-29 06:45:55,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:45:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3069 [2020-10-29 06:45:55,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:55,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:45:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-29 06:45:55,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:55,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:55,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:55,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:55,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:45:55,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:55,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:45:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:55,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:56,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:56,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:45:56,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-29 06:45:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:56,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:45:56,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:56,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:45:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:56,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:45:56,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-29 06:45:56,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:56,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:45:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:45:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:45:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 06:45:57,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428313932] [2020-10-29 06:45:57,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:57,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:45:57,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448505371] [2020-10-29 06:45:57,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:45:57,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:57,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:45:57,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:45:57,117 INFO L87 Difference]: Start difference. First operand 2199 states and 2753 transitions. Second operand 9 states. [2020-10-29 06:45:58,491 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-10-29 06:45:58,929 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-10-29 06:46:00,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:00,598 INFO L93 Difference]: Finished difference Result 4124 states and 5276 transitions. [2020-10-29 06:46:00,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:46:00,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2020-10-29 06:46:00,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:00,616 INFO L225 Difference]: With dead ends: 4124 [2020-10-29 06:46:00,616 INFO L226 Difference]: Without dead ends: 2299 [2020-10-29 06:46:00,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:46:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2020-10-29 06:46:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2227. [2020-10-29 06:46:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2020-10-29 06:46:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 2792 transitions. [2020-10-29 06:46:00,724 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 2792 transitions. Word has length 220 [2020-10-29 06:46:00,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:00,725 INFO L481 AbstractCegarLoop]: Abstraction has 2227 states and 2792 transitions. [2020-10-29 06:46:00,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:46:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2792 transitions. [2020-10-29 06:46:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-29 06:46:00,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:00,730 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:00,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:46:00,730 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1273656526, now seen corresponding path program 1 times [2020-10-29 06:46:00,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:00,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531502188] [2020-10-29 06:46:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:01,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:02,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1653 [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:46:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:46:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:02,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:02,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:02,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:02,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:02,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:02,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:02,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:02,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:46:02,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:02,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-29 06:46:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:02,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:02,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:46:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:02,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:46:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:02,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:03,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:03,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:46:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-29 06:46:03,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:03,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:46:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:46:03,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531502188] [2020-10-29 06:46:03,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:03,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:03,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591078560] [2020-10-29 06:46:03,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:03,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:03,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:03,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:03,302 INFO L87 Difference]: Start difference. First operand 2227 states and 2792 transitions. Second operand 7 states. [2020-10-29 06:46:06,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:06,537 INFO L93 Difference]: Finished difference Result 5681 states and 7432 transitions. [2020-10-29 06:46:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:46:06,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-29 06:46:06,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:06,568 INFO L225 Difference]: With dead ends: 5681 [2020-10-29 06:46:06,568 INFO L226 Difference]: Without dead ends: 3838 [2020-10-29 06:46:06,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:46:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2020-10-29 06:46:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3790. [2020-10-29 06:46:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3790 states. [2020-10-29 06:46:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3790 states and 4643 transitions. [2020-10-29 06:46:06,702 INFO L78 Accepts]: Start accepts. Automaton has 3790 states and 4643 transitions. Word has length 221 [2020-10-29 06:46:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:06,703 INFO L481 AbstractCegarLoop]: Abstraction has 3790 states and 4643 transitions. [2020-10-29 06:46:06,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4643 transitions. [2020-10-29 06:46:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-29 06:46:06,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:06,709 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:46:06,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:46:06,709 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:06,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1615680070, now seen corresponding path program 1 times [2020-10-29 06:46:06,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:06,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947269695] [2020-10-29 06:46:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:06,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:46:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 06:46:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:07,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:07,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:46:07,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:46:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:46:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:46:07,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947269695] [2020-10-29 06:46:07,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:07,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:46:07,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127883214] [2020-10-29 06:46:07,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:46:07,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:07,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:46:07,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:46:07,975 INFO L87 Difference]: Start difference. First operand 3790 states and 4643 transitions. Second operand 5 states. [2020-10-29 06:46:10,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:10,899 INFO L93 Difference]: Finished difference Result 8007 states and 10078 transitions. [2020-10-29 06:46:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:46:10,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-29 06:46:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:10,928 INFO L225 Difference]: With dead ends: 8007 [2020-10-29 06:46:10,928 INFO L226 Difference]: Without dead ends: 4601 [2020-10-29 06:46:10,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-10-29 06:46:11,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4576. [2020-10-29 06:46:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4576 states. [2020-10-29 06:46:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4576 states to 4576 states and 5538 transitions. [2020-10-29 06:46:11,070 INFO L78 Accepts]: Start accepts. Automaton has 4576 states and 5538 transitions. Word has length 231 [2020-10-29 06:46:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:11,071 INFO L481 AbstractCegarLoop]: Abstraction has 4576 states and 5538 transitions. [2020-10-29 06:46:11,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:46:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4576 states and 5538 transitions. [2020-10-29 06:46:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-29 06:46:11,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:11,076 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:11,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:46:11,077 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:11,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:11,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1894654726, now seen corresponding path program 1 times [2020-10-29 06:46:11,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:11,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460112018] [2020-10-29 06:46:11,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:11,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:11,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:13,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1982 [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-29 06:46:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:46:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:13,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:13,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:13,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:13,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:13,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:46:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-29 06:46:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:13,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:46:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:46:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:13,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:46:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 06:46:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:13,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:46:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:46:13,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460112018] [2020-10-29 06:46:13,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:13,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:13,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653782537] [2020-10-29 06:46:13,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:13,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:13,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:13,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:13,970 INFO L87 Difference]: Start difference. First operand 4576 states and 5538 transitions. Second operand 7 states. [2020-10-29 06:46:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:18,419 INFO L93 Difference]: Finished difference Result 9997 states and 12471 transitions. [2020-10-29 06:46:18,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:46:18,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-29 06:46:18,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:18,447 INFO L225 Difference]: With dead ends: 9997 [2020-10-29 06:46:18,448 INFO L226 Difference]: Without dead ends: 5805 [2020-10-29 06:46:18,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:46:18,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5805 states. [2020-10-29 06:46:18,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5805 to 5759. [2020-10-29 06:46:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5759 states. [2020-10-29 06:46:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 6894 transitions. [2020-10-29 06:46:18,626 INFO L78 Accepts]: Start accepts. Automaton has 5759 states and 6894 transitions. Word has length 231 [2020-10-29 06:46:18,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:18,627 INFO L481 AbstractCegarLoop]: Abstraction has 5759 states and 6894 transitions. [2020-10-29 06:46:18,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 6894 transitions. [2020-10-29 06:46:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-29 06:46:18,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:18,633 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:18,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:46:18,634 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:18,634 INFO L82 PathProgramCache]: Analyzing trace with hash 885438285, now seen corresponding path program 1 times [2020-10-29 06:46:18,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:18,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523615353] [2020-10-29 06:46:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:18,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:18,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:18,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:20,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:23,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:23,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-29 06:46:23,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 06:46:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4995 [2020-10-29 06:46:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:23,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:46:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:46:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 06:46:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:23,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:46:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:23,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:23,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:46:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:46:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:24,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:46:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:24,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:46:24,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 06:46:24,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:24,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:46:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 90 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:46:24,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523615353] [2020-10-29 06:46:24,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:24,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:24,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668882506] [2020-10-29 06:46:24,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:24,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:24,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:24,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:24,518 INFO L87 Difference]: Start difference. First operand 5759 states and 6894 transitions. Second operand 7 states. [2020-10-29 06:46:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:28,836 INFO L93 Difference]: Finished difference Result 14771 states and 18433 transitions. [2020-10-29 06:46:28,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:46:28,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-29 06:46:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:28,890 INFO L225 Difference]: With dead ends: 14771 [2020-10-29 06:46:28,890 INFO L226 Difference]: Without dead ends: 9396 [2020-10-29 06:46:28,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:46:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9396 states. [2020-10-29 06:46:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9396 to 8998. [2020-10-29 06:46:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8998 states. [2020-10-29 06:46:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8998 states to 8998 states and 10801 transitions. [2020-10-29 06:46:29,150 INFO L78 Accepts]: Start accepts. Automaton has 8998 states and 10801 transitions. Word has length 234 [2020-10-29 06:46:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:29,150 INFO L481 AbstractCegarLoop]: Abstraction has 8998 states and 10801 transitions. [2020-10-29 06:46:29,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 8998 states and 10801 transitions. [2020-10-29 06:46:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-29 06:46:29,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:29,156 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:29,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:46:29,157 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -876021916, now seen corresponding path program 1 times [2020-10-29 06:46:29,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:29,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617399490] [2020-10-29 06:46:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:29,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:29,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-29 06:46:30,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:46:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1102 [2020-10-29 06:46:30,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:30,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 06:46:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:46:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:30,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:30,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:30,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:30,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:30,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:46:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:46:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:46:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:30,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:30,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:46:30,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:30,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:46:30,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:30,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:30,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:30,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:30,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:46:30,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:46:30,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617399490] [2020-10-29 06:46:30,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:30,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:30,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442803863] [2020-10-29 06:46:30,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:30,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:30,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:30,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:30,959 INFO L87 Difference]: Start difference. First operand 8998 states and 10801 transitions. Second operand 7 states. [2020-10-29 06:46:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:34,403 INFO L93 Difference]: Finished difference Result 19963 states and 24411 transitions. [2020-10-29 06:46:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:46:34,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-10-29 06:46:34,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:34,449 INFO L225 Difference]: With dead ends: 19963 [2020-10-29 06:46:34,449 INFO L226 Difference]: Without dead ends: 11349 [2020-10-29 06:46:34,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:46:34,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11349 states. [2020-10-29 06:46:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11349 to 11120. [2020-10-29 06:46:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11120 states. [2020-10-29 06:46:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 11120 states and 13285 transitions. [2020-10-29 06:46:34,752 INFO L78 Accepts]: Start accepts. Automaton has 11120 states and 13285 transitions. Word has length 250 [2020-10-29 06:46:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:34,753 INFO L481 AbstractCegarLoop]: Abstraction has 11120 states and 13285 transitions. [2020-10-29 06:46:34,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 11120 states and 13285 transitions. [2020-10-29 06:46:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-29 06:46:34,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:34,759 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:34,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:46:34,760 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:34,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:34,760 INFO L82 PathProgramCache]: Analyzing trace with hash -397830982, now seen corresponding path program 1 times [2020-10-29 06:46:34,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:34,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626154553] [2020-10-29 06:46:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 06:46:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:46:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 06:46:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:35,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:35,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:35,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:35,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:35,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:46:35,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:46:35,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:35,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:46:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:35,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:46:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 06:46:36,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626154553] [2020-10-29 06:46:36,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:36,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:46:36,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300937520] [2020-10-29 06:46:36,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:46:36,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:46:36,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:46:36,053 INFO L87 Difference]: Start difference. First operand 11120 states and 13285 transitions. Second operand 5 states. [2020-10-29 06:46:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:38,031 INFO L93 Difference]: Finished difference Result 19201 states and 23152 transitions. [2020-10-29 06:46:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:46:38,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-29 06:46:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:38,084 INFO L225 Difference]: With dead ends: 19201 [2020-10-29 06:46:38,084 INFO L226 Difference]: Without dead ends: 11138 [2020-10-29 06:46:38,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:38,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11138 states. [2020-10-29 06:46:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11138 to 11118. [2020-10-29 06:46:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11118 states. [2020-10-29 06:46:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11118 states to 11118 states and 13262 transitions. [2020-10-29 06:46:38,357 INFO L78 Accepts]: Start accepts. Automaton has 11118 states and 13262 transitions. Word has length 258 [2020-10-29 06:46:38,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:38,357 INFO L481 AbstractCegarLoop]: Abstraction has 11118 states and 13262 transitions. [2020-10-29 06:46:38,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:46:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 11118 states and 13262 transitions. [2020-10-29 06:46:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-29 06:46:38,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:38,365 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:38,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:46:38,366 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:38,367 INFO L82 PathProgramCache]: Analyzing trace with hash 441970036, now seen corresponding path program 1 times [2020-10-29 06:46:38,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:38,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527366433] [2020-10-29 06:46:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:38,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:39,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:40,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 06:46:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:46:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2348 [2020-10-29 06:46:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:40,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 06:46:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:46:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:40,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:40,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:40,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:41,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:41,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:46:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:46:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:46:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:46:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:46:41,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527366433] [2020-10-29 06:46:41,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:41,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:41,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142408886] [2020-10-29 06:46:41,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:41,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:41,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:41,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:41,424 INFO L87 Difference]: Start difference. First operand 11118 states and 13262 transitions. Second operand 7 states. [2020-10-29 06:46:45,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:45,801 INFO L93 Difference]: Finished difference Result 24001 states and 29078 transitions. [2020-10-29 06:46:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:46:45,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-10-29 06:46:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:45,846 INFO L225 Difference]: With dead ends: 24001 [2020-10-29 06:46:45,846 INFO L226 Difference]: Without dead ends: 13267 [2020-10-29 06:46:45,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:46:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13267 states. [2020-10-29 06:46:46,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13267 to 13234. [2020-10-29 06:46:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13234 states. [2020-10-29 06:46:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13234 states to 13234 states and 15766 transitions. [2020-10-29 06:46:46,218 INFO L78 Accepts]: Start accepts. Automaton has 13234 states and 15766 transitions. Word has length 258 [2020-10-29 06:46:46,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:46,218 INFO L481 AbstractCegarLoop]: Abstraction has 13234 states and 15766 transitions. [2020-10-29 06:46:46,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 13234 states and 15766 transitions. [2020-10-29 06:46:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-29 06:46:46,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:46,227 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:46,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:46:46,228 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:46,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:46,228 INFO L82 PathProgramCache]: Analyzing trace with hash -232025072, now seen corresponding path program 1 times [2020-10-29 06:46:46,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:46,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153077306] [2020-10-29 06:46:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:46,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-29 06:46:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-29 06:46:47,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:47,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-29 06:46:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 06:46:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:47,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:47,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:47,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:47,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:47,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:47,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:47,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:46:47,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 06:46:47,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:47,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:47,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:46:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:47,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:46:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-29 06:46:47,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153077306] [2020-10-29 06:46:47,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:47,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:46:47,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131951380] [2020-10-29 06:46:47,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:46:47,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:47,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:46:47,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:46:47,645 INFO L87 Difference]: Start difference. First operand 13234 states and 15766 transitions. Second operand 5 states. [2020-10-29 06:46:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:50,928 INFO L93 Difference]: Finished difference Result 27245 states and 32915 transitions. [2020-10-29 06:46:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:46:50,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 277 [2020-10-29 06:46:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:50,973 INFO L225 Difference]: With dead ends: 27245 [2020-10-29 06:46:50,973 INFO L226 Difference]: Without dead ends: 14205 [2020-10-29 06:46:50,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:51,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14205 states. [2020-10-29 06:46:51,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14205 to 14174. [2020-10-29 06:46:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14174 states. [2020-10-29 06:46:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14174 states to 14174 states and 16913 transitions. [2020-10-29 06:46:51,282 INFO L78 Accepts]: Start accepts. Automaton has 14174 states and 16913 transitions. Word has length 277 [2020-10-29 06:46:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:51,283 INFO L481 AbstractCegarLoop]: Abstraction has 14174 states and 16913 transitions. [2020-10-29 06:46:51,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:46:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 14174 states and 16913 transitions. [2020-10-29 06:46:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-29 06:46:51,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:51,304 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 06:46:51,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:46:51,304 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:51,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1363099910, now seen corresponding path program 1 times [2020-10-29 06:46:51,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:51,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852852806] [2020-10-29 06:46:51,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:51,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2736 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:46:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-29 06:46:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:54,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:54,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:46:54,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:46:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:46:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:54,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:46:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:46:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-29 06:46:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 06:46:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-29 06:46:54,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852852806] [2020-10-29 06:46:54,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:54,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:46:54,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36507006] [2020-10-29 06:46:54,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:46:54,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:54,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:46:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:54,962 INFO L87 Difference]: Start difference. First operand 14174 states and 16913 transitions. Second operand 6 states. [2020-10-29 06:46:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:56,856 INFO L93 Difference]: Finished difference Result 24714 states and 29759 transitions. [2020-10-29 06:46:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:46:56,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 392 [2020-10-29 06:46:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:56,899 INFO L225 Difference]: With dead ends: 24714 [2020-10-29 06:46:56,899 INFO L226 Difference]: Without dead ends: 14185 [2020-10-29 06:46:56,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 06:46:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2020-10-29 06:46:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 14160. [2020-10-29 06:46:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14160 states. [2020-10-29 06:46:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14160 states to 14160 states and 16864 transitions. [2020-10-29 06:46:57,214 INFO L78 Accepts]: Start accepts. Automaton has 14160 states and 16864 transitions. Word has length 392 [2020-10-29 06:46:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:57,215 INFO L481 AbstractCegarLoop]: Abstraction has 14160 states and 16864 transitions. [2020-10-29 06:46:57,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:46:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14160 states and 16864 transitions. [2020-10-29 06:46:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-29 06:46:57,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:57,246 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-29 06:46:57,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:46:57,246 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:57,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1565378762, now seen corresponding path program 1 times [2020-10-29 06:46:57,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:57,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001190151] [2020-10-29 06:46:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:57,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:57,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:59,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:00,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-10-29 06:47:02,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:47:02,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:02,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:47:02,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:47:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:47:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:47:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:47:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-29 06:47:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:02,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:02,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:47:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2020-10-29 06:47:02,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001190151] [2020-10-29 06:47:02,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:02,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:02,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841608260] [2020-10-29 06:47:02,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:02,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:02,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:02,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:02,980 INFO L87 Difference]: Start difference. First operand 14160 states and 16864 transitions. Second operand 7 states. [2020-10-29 06:47:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:06,153 INFO L93 Difference]: Finished difference Result 24987 states and 30255 transitions. [2020-10-29 06:47:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:47:06,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 406 [2020-10-29 06:47:06,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:06,192 INFO L225 Difference]: With dead ends: 24987 [2020-10-29 06:47:06,192 INFO L226 Difference]: Without dead ends: 14472 [2020-10-29 06:47:06,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:47:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14472 states. [2020-10-29 06:47:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14472 to 13040. [2020-10-29 06:47:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13040 states. [2020-10-29 06:47:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13040 states to 13040 states and 15057 transitions. [2020-10-29 06:47:06,486 INFO L78 Accepts]: Start accepts. Automaton has 13040 states and 15057 transitions. Word has length 406 [2020-10-29 06:47:06,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:06,489 INFO L481 AbstractCegarLoop]: Abstraction has 13040 states and 15057 transitions. [2020-10-29 06:47:06,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:47:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13040 states and 15057 transitions. [2020-10-29 06:47:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2020-10-29 06:47:06,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:06,514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:47:06,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:47:06,516 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:06,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1265762414, now seen corresponding path program 1 times [2020-10-29 06:47:06,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:06,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950839546] [2020-10-29 06:47:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:06,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:11,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 455 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 269 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 06:47:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:11,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:11,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:11,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:11,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:11,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:47:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:12,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:12,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 06:47:12,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:12,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-29 06:47:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:12,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 06:47:12,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 325 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-29 06:47:12,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950839546] [2020-10-29 06:47:12,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:12,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:12,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017814584] [2020-10-29 06:47:12,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:12,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:12,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:12,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:12,530 INFO L87 Difference]: Start difference. First operand 13040 states and 15057 transitions. Second operand 7 states. [2020-10-29 06:47:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:16,259 INFO L93 Difference]: Finished difference Result 24395 states and 28598 transitions. [2020-10-29 06:47:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:47:16,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 439 [2020-10-29 06:47:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:16,300 INFO L225 Difference]: With dead ends: 24395 [2020-10-29 06:47:16,300 INFO L226 Difference]: Without dead ends: 15000 [2020-10-29 06:47:16,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:47:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15000 states. [2020-10-29 06:47:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15000 to 14776. [2020-10-29 06:47:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14776 states. [2020-10-29 06:47:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14776 states to 14776 states and 17220 transitions. [2020-10-29 06:47:16,598 INFO L78 Accepts]: Start accepts. Automaton has 14776 states and 17220 transitions. Word has length 439 [2020-10-29 06:47:16,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:16,599 INFO L481 AbstractCegarLoop]: Abstraction has 14776 states and 17220 transitions. [2020-10-29 06:47:16,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:47:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 14776 states and 17220 transitions. [2020-10-29 06:47:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-10-29 06:47:16,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:16,758 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 06:47:16,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:47:16,759 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:16,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:16,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1042589175, now seen corresponding path program 1 times [2020-10-29 06:47:16,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:16,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095658963] [2020-10-29 06:47:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:16,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:17,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:17,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:21,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 511 [2020-10-29 06:47:21,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:47:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 06:47:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:22,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:47:22,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:22,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:47:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-29 06:47:22,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:22,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 06:47:22,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:22,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:22,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 06:47:22,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:22,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-29 06:47:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 06:47:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 366 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-29 06:47:23,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095658963] [2020-10-29 06:47:23,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:23,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:23,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166406251] [2020-10-29 06:47:23,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:23,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:23,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:23,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:23,146 INFO L87 Difference]: Start difference. First operand 14776 states and 17220 transitions. Second operand 7 states. [2020-10-29 06:47:27,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:27,182 INFO L93 Difference]: Finished difference Result 29830 states and 35315 transitions. [2020-10-29 06:47:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:47:27,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 495 [2020-10-29 06:47:27,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:27,228 INFO L225 Difference]: With dead ends: 29830 [2020-10-29 06:47:27,229 INFO L226 Difference]: Without dead ends: 17523 [2020-10-29 06:47:27,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 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 06:47:27,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17523 states. [2020-10-29 06:47:27,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17523 to 16263. [2020-10-29 06:47:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16263 states. [2020-10-29 06:47:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16263 states to 16263 states and 18643 transitions. [2020-10-29 06:47:27,590 INFO L78 Accepts]: Start accepts. Automaton has 16263 states and 18643 transitions. Word has length 495 [2020-10-29 06:47:27,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:27,591 INFO L481 AbstractCegarLoop]: Abstraction has 16263 states and 18643 transitions. [2020-10-29 06:47:27,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:47:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 16263 states and 18643 transitions. [2020-10-29 06:47:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-10-29 06:47:27,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:27,637 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2020-10-29 06:47:27,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 06:47:27,637 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:27,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:27,638 INFO L82 PathProgramCache]: Analyzing trace with hash -340261487, now seen corresponding path program 1 times [2020-10-29 06:47:27,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:27,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091061392] [2020-10-29 06:47:27,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:32,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:32,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 518 [2020-10-29 06:47:32,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:47:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 06:47:32,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:32,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 06:47:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:47:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 481 [2020-10-29 06:47:32,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:32,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:32,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:32,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:47:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:33,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:47:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:47:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:33,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 06:47:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:33,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:47:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:47:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:33,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-29 06:47:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:33,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:33,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:47:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-10-29 06:47:34,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091061392] [2020-10-29 06:47:34,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:34,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:47:34,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911446527] [2020-10-29 06:47:34,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:47:34,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:34,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:47:34,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:47:34,019 INFO L87 Difference]: Start difference. First operand 16263 states and 18643 transitions. Second operand 9 states. [2020-10-29 06:47:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:40,221 INFO L93 Difference]: Finished difference Result 34897 states and 40176 transitions. [2020-10-29 06:47:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 06:47:40,223 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 500 [2020-10-29 06:47:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:40,269 INFO L225 Difference]: With dead ends: 34897 [2020-10-29 06:47:40,269 INFO L226 Difference]: Without dead ends: 22279 [2020-10-29 06:47:40,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2020-10-29 06:47:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22279 states. [2020-10-29 06:47:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22279 to 21837. [2020-10-29 06:47:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21837 states. [2020-10-29 06:47:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21837 states to 21837 states and 25005 transitions. [2020-10-29 06:47:40,683 INFO L78 Accepts]: Start accepts. Automaton has 21837 states and 25005 transitions. Word has length 500 [2020-10-29 06:47:40,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:40,683 INFO L481 AbstractCegarLoop]: Abstraction has 21837 states and 25005 transitions. [2020-10-29 06:47:40,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:47:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 21837 states and 25005 transitions. [2020-10-29 06:47:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-29 06:47:40,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:40,717 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 3, 3, 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] [2020-10-29 06:47:40,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 06:47:40,717 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:40,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:40,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1752211291, now seen corresponding path program 1 times [2020-10-29 06:47:40,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:40,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434293000] [2020-10-29 06:47:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:41,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:43,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:45,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-10-29 06:47:45,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:47:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 357 [2020-10-29 06:47:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:47:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:47:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:47:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:46,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:47:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:47:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:46,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:46,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:47:46,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:46,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-29 06:47:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:46,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-29 06:47:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 102 proven. 622 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 06:47:47,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434293000] [2020-10-29 06:47:47,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:47,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 06:47:47,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236247730] [2020-10-29 06:47:47,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 06:47:47,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:47,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 06:47:47,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:47:47,166 INFO L87 Difference]: Start difference. First operand 21837 states and 25005 transitions. Second operand 11 states. [2020-10-29 06:47:47,337 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-10-29 06:47:51,266 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-29 06:47:51,423 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-10-29 06:47:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:52,117 INFO L93 Difference]: Finished difference Result 42954 states and 49873 transitions. [2020-10-29 06:47:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 06:47:52,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 517 [2020-10-29 06:47:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:52,178 INFO L225 Difference]: With dead ends: 42954 [2020-10-29 06:47:52,178 INFO L226 Difference]: Without dead ends: 24392 [2020-10-29 06:47:52,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-29 06:47:52,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24392 states. [2020-10-29 06:47:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24392 to 23965. [2020-10-29 06:47:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23965 states. [2020-10-29 06:47:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 27289 transitions. [2020-10-29 06:47:52,702 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 27289 transitions. Word has length 517 [2020-10-29 06:47:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:52,702 INFO L481 AbstractCegarLoop]: Abstraction has 23965 states and 27289 transitions. [2020-10-29 06:47:52,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 06:47:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 27289 transitions. [2020-10-29 06:47:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-10-29 06:47:52,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:52,724 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 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 06:47:52,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 06:47:52,724 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:52,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:52,725 INFO L82 PathProgramCache]: Analyzing trace with hash 359029635, now seen corresponding path program 1 times [2020-10-29 06:47:52,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:52,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595568722] [2020-10-29 06:47:52,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:52,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:53,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:53,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 539 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 353 [2020-10-29 06:47:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 06:47:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:57,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:58,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:58,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:47:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-29 06:47:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:58,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:58,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:47:58,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:47:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:58,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-10-29 06:47:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:58,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:58,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:58,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 06:47:58,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 06:47:58,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 430 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-29 06:47:58,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595568722] [2020-10-29 06:47:58,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:58,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:58,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859110183] [2020-10-29 06:47:58,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:58,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:58,686 INFO L87 Difference]: Start difference. First operand 23965 states and 27289 transitions. Second operand 7 states. [2020-10-29 06:48:02,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:48:02,066 INFO L93 Difference]: Finished difference Result 44692 states and 51065 transitions. [2020-10-29 06:48:02,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:48:02,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 521 [2020-10-29 06:48:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:48:02,109 INFO L225 Difference]: With dead ends: 44692 [2020-10-29 06:48:02,109 INFO L226 Difference]: Without dead ends: 25354 [2020-10-29 06:48:02,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:48:02,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25354 states. [2020-10-29 06:48:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25354 to 24733. [2020-10-29 06:48:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24733 states. [2020-10-29 06:48:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24733 states to 24733 states and 28170 transitions. [2020-10-29 06:48:02,597 INFO L78 Accepts]: Start accepts. Automaton has 24733 states and 28170 transitions. Word has length 521 [2020-10-29 06:48:02,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:48:02,598 INFO L481 AbstractCegarLoop]: Abstraction has 24733 states and 28170 transitions. [2020-10-29 06:48:02,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:48:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 24733 states and 28170 transitions. [2020-10-29 06:48:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-10-29 06:48:02,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:48:02,627 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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 06:48:02,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 06:48:02,627 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:48:02,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:48:02,628 INFO L82 PathProgramCache]: Analyzing trace with hash -735686695, now seen corresponding path program 1 times [2020-10-29 06:48:02,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:48:02,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686817923] [2020-10-29 06:48:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:48:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:02,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:02,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:03,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 605 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:48:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-29 06:48:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 343 [2020-10-29 06:48:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:48:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:07,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:48:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:48:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:08,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:48:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:48:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:48:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:08,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:48:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-29 06:48:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:08,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 06:48:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:08,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-29 06:48:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:08,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:08,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 06:48:08,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:48:08,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-29 06:48:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2020-10-29 06:48:08,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686817923] [2020-10-29 06:48:08,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:48:08,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:48:08,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357335894] [2020-10-29 06:48:08,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:48:08,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:48:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:48:08,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:48:08,918 INFO L87 Difference]: Start difference. First operand 24733 states and 28170 transitions. Second operand 6 states. [2020-10-29 06:48:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:48:12,469 INFO L93 Difference]: Finished difference Result 28202 states and 32122 transitions. [2020-10-29 06:48:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:48:12,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 587 [2020-10-29 06:48:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:48:12,534 INFO L225 Difference]: With dead ends: 28202 [2020-10-29 06:48:12,534 INFO L226 Difference]: Without dead ends: 28199 [2020-10-29 06:48:12,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:48:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28199 states. [2020-10-29 06:48:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28199 to 26637. [2020-10-29 06:48:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26637 states. [2020-10-29 06:48:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26637 states to 26637 states and 30322 transitions. [2020-10-29 06:48:13,045 INFO L78 Accepts]: Start accepts. Automaton has 26637 states and 30322 transitions. Word has length 587 [2020-10-29 06:48:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:48:13,046 INFO L481 AbstractCegarLoop]: Abstraction has 26637 states and 30322 transitions. [2020-10-29 06:48:13,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:48:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 26637 states and 30322 transitions. [2020-10-29 06:48:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2020-10-29 06:48:13,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:48:13,083 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:13,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 06:48:13,083 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:48:13,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:48:13,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2138909401, now seen corresponding path program 1 times [2020-10-29 06:48:13,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:48:13,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489487089] [2020-10-29 06:48:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:48:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:13,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:13,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:14,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 678 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 415 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-29 06:48:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:48:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:18,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:48:18,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:48:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:48:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:48:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:48:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:18,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:48:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-29 06:48:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:18,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:48:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-29 06:48:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:48:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:48:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:48:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-10-29 06:48:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:48:19,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:19,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:48:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:48:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 482 proven. 111 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2020-10-29 06:48:19,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489487089] [2020-10-29 06:48:19,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:48:19,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:48:19,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565054366] [2020-10-29 06:48:19,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:48:19,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:48:19,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:48:19,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:48:19,463 INFO L87 Difference]: Start difference. First operand 26637 states and 30322 transitions. Second operand 6 states. [2020-10-29 06:48:22,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:48:22,754 INFO L93 Difference]: Finished difference Result 56339 states and 64217 transitions. [2020-10-29 06:48:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:48:22,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 658 [2020-10-29 06:48:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:48:22,759 INFO L225 Difference]: With dead ends: 56339 [2020-10-29 06:48:22,759 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:48:22,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:48:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:48:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:48:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:48:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:48:22,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 658 [2020-10-29 06:48:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:48:22,805 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:48:22,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:48:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:48:22,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:48:22,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 06:48:22,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:48:26,742 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 612 DAG size of output: 395 [2020-10-29 06:48:27,505 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 395 [2020-10-29 06:48:28,409 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-10-29 06:48:33,560 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 629 DAG size of output: 72 [2020-10-29 06:48:35,737 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 357 DAG size of output: 58 [2020-10-29 06:48:37,993 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 357 DAG size of output: 58 [2020-10-29 06:48:40,160 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 337 DAG size of output: 55 [2020-10-29 06:48:40,165 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:48:40,166 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:48:40,166 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:48:40,166 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:48:40,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:48:40,166 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 06:48:40,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:48:40,166 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,167 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:48:40,168 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:48:40,169 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,170 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,171 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,172 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:48:40,173 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,174 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:48:40,175 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:48:40,176 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,177 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a23~0 |old(~a23~0)|)) (.cse4 (= ~a29~0 |old(~a29~0)|)) (.cse5 (= ~a4~0 1))) (let ((.cse6 (not (<= |old(~a23~0)| 243))) (.cse9 (not (= 10 |old(~a25~0)|))) (.cse11 (not (<= |old(~a29~0)| 130))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse7 (and .cse12 .cse3 .cse4 .cse5)) (.cse1 (not (<= ~a8~0 15))) (.cse2 (not (= 12 |old(~a25~0)|))) (.cse8 (not (<= 141 |old(~a29~0)|))) (.cse10 (and .cse12 .cse3 .cse4 (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= ~a25~0 12) .cse5) .cse6) (or .cse0 .cse7 .cse1 .cse8) (or .cse0 .cse7 .cse1 .cse9) (or .cse1 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse10 .cse6) (or .cse0 (not (<= |old(~a25~0)| 9)) .cse7 .cse1 .cse6) (or .cse1 .cse2 .cse10 .cse11) (or .cse0 .cse1 .cse7 (not (= 13 |old(~a25~0)|))) (or .cse1 .cse9 .cse10 .cse11) (or .cse0 (not (<= 165 |old(~a23~0)|)) .cse7 .cse1 (not (<= |old(~a23~0)| 312))) (or .cse1 .cse2 .cse8 .cse10)))) [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:48:40,178 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,179 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,180 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:48:40,181 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:48:40,182 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,183 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,184 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a29~0)| 130))) (.cse2 (not (= 10 |old(~a25~0)|))) (.cse5 (not (= |old(~a4~0)| 1))) (.cse6 (not (<= 141 |old(~a29~0)|))) (.cse4 (not (= 12 |old(~a25~0)|))) (.cse0 (not (<= ~a8~0 15))) (.cse1 (not (<= |old(~a23~0)| 243)))) (and (or (not (<= |old(~a25~0)| 9)) .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse5 (not (<= 165 |old(~a23~0)|)) .cse0 (not (<= |old(~a23~0)| 312))) (or .cse5 .cse0 (not (= 13 |old(~a25~0)|))) (or .cse5 .cse0 .cse2) (or .cse0 .cse4 .cse6) (or .cse5 .cse0 .cse6) (or .cse0 .cse4 .cse1) (or .cse0 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse1))) [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L80-1(line 80) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,185 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:48:40,186 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:48:40,187 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,188 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:48:40,189 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:48:40,190 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,191 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,192 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1) (= ~a23~0 312)) [2020-10-29 06:48:40,193 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:48:40,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:48:40,193 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (= ~a23~0 312)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-29 06:48:40,194 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:48:40,194 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (<= 141 ~a29~0)) (.cse3 (<= ~a23~0 243)) (.cse5 (<= ~a29~0 130)) (.cse1 (= ~a25~0 12)) (.cse4 (= ~a25~0 10)) (.cse2 (= ~a4~0 1))) (or (and .cse0 .cse1) (and (= ~a25~0 13) .cse2) (not (= ~a8~0 15)) (and .cse3 (or (<= ~a4~0 0) (< 1 ~a4~0))) (and .cse1 .cse3) (not (= ~a3~0 1)) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (and .cse4 .cse5) (not (= 312 |old(~a23~0)|)) (and (<= 165 ~a23~0) (<= ~a23~0 312) .cse2) (and (<= ~a25~0 9) .cse3) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse1) (not (<= |old(~a29~0)| 130)) (and .cse4 .cse2))) [2020-10-29 06:48:40,194 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:48:40,194 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:48:40,194 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= 141 ~a29~0)) (.cse3 (<= ~a23~0 243)) (.cse5 (<= ~a29~0 130)) (.cse1 (= ~a25~0 12)) (.cse4 (= ~a25~0 10)) (.cse2 (= ~a4~0 1))) (or (and .cse0 .cse1) (and (= ~a25~0 13) .cse2) (not (= ~a8~0 15)) (and .cse3 (or (<= ~a4~0 0) (< 1 ~a4~0))) (and .cse1 .cse3) (not (= ~a3~0 1)) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (and .cse4 .cse5) (not (= 312 |old(~a23~0)|)) (and (<= 165 ~a23~0) (<= ~a23~0 312) .cse2) (and (<= ~a25~0 9) .cse3) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse1) (not (<= |old(~a29~0)| 130)) (and .cse4 .cse2))) [2020-10-29 06:48:40,194 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:48:40,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:48:40 BoogieIcfgContainer [2020-10-29 06:48:40,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:48:40,230 INFO L168 Benchmark]: Toolchain (without parser) took 191637.77 ms. Allocated memory was 153.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 132.5 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2020-10-29 06:48:40,230 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:48:40,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.06 ms. Allocated memory is still 153.1 MB. Free memory was 131.7 MB in the beginning and 115.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:48:40,232 INFO L168 Benchmark]: Boogie Preprocessor took 184.34 ms. Allocated memory is still 153.1 MB. Free memory was 115.5 MB in the beginning and 108.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:48:40,232 INFO L168 Benchmark]: RCFGBuilder took 2743.17 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 108.1 MB in the beginning and 143.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:48:40,236 INFO L168 Benchmark]: TraceAbstraction took 187609.36 ms. Allocated memory was 199.2 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 143.4 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2020-10-29 06:48:40,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1083.06 ms. Allocated memory is still 153.1 MB. Free memory was 131.7 MB in the beginning and 115.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 184.34 ms. Allocated memory is still 153.1 MB. Free memory was 115.5 MB in the beginning and 108.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2743.17 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 108.1 MB in the beginning and 143.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 187609.36 ms. Allocated memory was 199.2 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 143.4 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 GB. 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: (((((((((((((((141 <= a29 && a25 == 12) || (a25 == 13 && a4 == 1)) || !(a8 == 15)) || (a23 <= 243 && (a4 <= 0 || 1 < a4))) || (a25 == 12 && a23 <= 243)) || !(a3 == 1)) || (141 <= a29 && a4 == 1)) || !(\old(a4) == 1)) || (a25 == 10 && a29 <= 130)) || !(312 == \old(a23))) || ((165 <= a23 && a23 <= 312) && a4 == 1)) || (a25 <= 9 && a23 <= 243)) || !(10 == \old(a25))) || (a29 <= 130 && a25 == 12)) || !(\old(a29) <= 130)) || (a25 == 10 && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 170.1s, OverallIterations: 22, TraceHistogramMax: 6, AutomataDifference: 79.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1046 SDtfs, 15396 SDslu, 1842 SDs, 0 SdLazy, 33171 SolverSat, 4905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 217 SyntacticMatches, 7 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26637occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 6996 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2182 PreInvPairs, 2514 NumberOfFragments, 748 HoareAnnotationTreeSize, 2182 FomulaSimplifications, 51055 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 46240 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 79.9s InterpolantComputationTime, 7102 NumberOfCodeBlocks, 7102 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 7080 ConstructedInterpolants, 0 QuantifiedInterpolants, 6439789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 6562/7376 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...