/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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:42:08,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:42:08,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:42:08,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:42:08,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:42:08,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:42:08,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:42:08,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:42:08,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:42:08,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:42:08,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:42:08,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:42:08,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:42:08,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:42:08,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:42:08,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:42:08,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:42:08,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:42:08,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:42:08,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:42:08,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:42:08,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:42:08,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:42:08,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:42:08,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:42:08,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:42:08,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:42:08,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:42:08,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:42:08,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:42:08,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:42:08,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:42:08,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:42:08,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:42:08,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:42:08,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:42:08,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:42:08,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:42:08,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:42:08,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:42:08,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:42:08,838 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 06:42:08,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:42:08,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:42:08,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:42:08,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:42:08,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:42:08,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:42:08,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:42:08,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:42:08,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:42:08,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:42:08,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:42:08,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:42:08,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:42:08,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:42:08,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:42:08,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:42:08,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:42:08,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:42:08,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:42:08,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:42:08,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:42:08,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:42:08,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:42:08,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:42:08,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:42:09,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:42:09,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:42:09,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:42:09,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:42:09,323 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:42:09,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label01.c [2020-10-29 06:42:09,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/784885948/82e20873f5dd49fcb509fe4b74c90dd4/FLAG1b7e5c49d [2020-10-29 06:42:10,335 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:42:10,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label01.c [2020-10-29 06:42:10,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/784885948/82e20873f5dd49fcb509fe4b74c90dd4/FLAG1b7e5c49d [2020-10-29 06:42:10,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/784885948/82e20873f5dd49fcb509fe4b74c90dd4 [2020-10-29 06:42:10,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:42:10,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:42:10,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:42:10,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:42:10,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:42:10,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:42:10" (1/1) ... [2020-10-29 06:42:10,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:10, skipping insertion in model container [2020-10-29 06:42:10,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:42:10" (1/1) ... [2020-10-29 06:42:10,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:42:10,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:42:11,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:42:11,357 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:42:11,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:42:11,559 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:42:11,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11 WrapperNode [2020-10-29 06:42:11,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:42:11,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:42:11,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:42:11,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:42:11,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (1/1) ... [2020-10-29 06:42:11,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:42:11,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:42:11,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:42:11,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:42:11,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (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 06:42:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:42:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:42:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:42:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:42:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:42:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:42:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:42:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:42:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:42:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:42:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:42:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:42:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:42:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:42:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:42:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:42:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:42:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:42:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:42:14,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:42:14,083 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:42:14,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:42:14 BoogieIcfgContainer [2020-10-29 06:42:14,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:42:14,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:42:14,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:42:14,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:42:14,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:42:10" (1/3) ... [2020-10-29 06:42:14,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07135b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:42:14, skipping insertion in model container [2020-10-29 06:42:14,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:11" (2/3) ... [2020-10-29 06:42:14,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07135b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:42:14, skipping insertion in model container [2020-10-29 06:42:14,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:42:14" (3/3) ... [2020-10-29 06:42:14,095 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2020-10-29 06:42:14,109 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:42:14,116 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:42:14,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:42:14,163 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:42:14,163 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:42:14,163 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:42:14,163 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:42:14,163 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:42:14,163 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:42:14,164 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:42:14,164 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:42:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:42:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 06:42:14,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:14,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:14,201 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:14,209 INFO L82 PathProgramCache]: Analyzing trace with hash -286044576, now seen corresponding path program 1 times [2020-10-29 06:42:14,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:14,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995198210] [2020-10-29 06:42:14,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:15,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:15,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:42:15,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-29 06:42:15,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:15,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:15,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:15,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:42:15,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:42:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:15,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:15,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:15,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:42:15,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:15,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:15,421 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 06:42:15,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995198210] [2020-10-29 06:42:15,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:42:15,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:42:15,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418948211] [2020-10-29 06:42:15,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:42:15,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:15,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:42:15,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:42:15,453 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:42:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:18,646 INFO L93 Difference]: Finished difference Result 796 states and 1392 transitions. [2020-10-29 06:42:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:18,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-10-29 06:42:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:18,666 INFO L225 Difference]: With dead ends: 796 [2020-10-29 06:42:18,666 INFO L226 Difference]: Without dead ends: 435 [2020-10-29 06:42:18,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-29 06:42:18,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 431. [2020-10-29 06:42:18,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-29 06:42:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 619 transitions. [2020-10-29 06:42:18,794 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 619 transitions. Word has length 64 [2020-10-29 06:42:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:18,794 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 619 transitions. [2020-10-29 06:42:18,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:42:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 619 transitions. [2020-10-29 06:42:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 06:42:18,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:18,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 06:42:18,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:42:18,806 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:18,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:18,807 INFO L82 PathProgramCache]: Analyzing trace with hash -298821060, now seen corresponding path program 1 times [2020-10-29 06:42:18,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:18,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179455936] [2020-10-29 06:42:18,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:19,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:42:21,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:21,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2254 [2020-10-29 06:42:21,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:42:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:42:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:42:21,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:21,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:42:21,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:21,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:42:21,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:42:21,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:42:21,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:42:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:21,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179455936] [2020-10-29 06:42:21,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:21,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:21,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426371763] [2020-10-29 06:42:21,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:21,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:21,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:21,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:21,532 INFO L87 Difference]: Start difference. First operand 431 states and 619 transitions. Second operand 5 states. [2020-10-29 06:42:24,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:24,683 INFO L93 Difference]: Finished difference Result 1260 states and 1834 transitions. [2020-10-29 06:42:24,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:24,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-29 06:42:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:24,697 INFO L225 Difference]: With dead ends: 1260 [2020-10-29 06:42:24,698 INFO L226 Difference]: Without dead ends: 835 [2020-10-29 06:42:24,705 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 06:42:24,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-29 06:42:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 819. [2020-10-29 06:42:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-29 06:42:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1097 transitions. [2020-10-29 06:42:24,787 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1097 transitions. Word has length 136 [2020-10-29 06:42:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:24,788 INFO L481 AbstractCegarLoop]: Abstraction has 819 states and 1097 transitions. [2020-10-29 06:42:24,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1097 transitions. [2020-10-29 06:42:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 06:42:24,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:24,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 06:42:24,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:42:24,793 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:24,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash 346913976, now seen corresponding path program 1 times [2020-10-29 06:42:24,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:24,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637692496] [2020-10-29 06:42:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:24,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:25,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:27,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 06:42:27,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2682 [2020-10-29 06:42:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:27,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 06:42:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:42:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:27,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:27,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:27,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:27,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:27,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:27,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:27,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:42:27,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:27,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:42:27,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:27,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:42:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:27,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637692496] [2020-10-29 06:42:27,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:27,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:27,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996940196] [2020-10-29 06:42:27,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:27,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:27,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:27,961 INFO L87 Difference]: Start difference. First operand 819 states and 1097 transitions. Second operand 5 states. [2020-10-29 06:42:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:30,891 INFO L93 Difference]: Finished difference Result 2032 states and 2801 transitions. [2020-10-29 06:42:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:30,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-29 06:42:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:30,900 INFO L225 Difference]: With dead ends: 2032 [2020-10-29 06:42:30,900 INFO L226 Difference]: Without dead ends: 1219 [2020-10-29 06:42:30,903 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 06:42:30,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2020-10-29 06:42:30,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1212. [2020-10-29 06:42:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-10-29 06:42:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1613 transitions. [2020-10-29 06:42:30,950 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1613 transitions. Word has length 138 [2020-10-29 06:42:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:30,951 INFO L481 AbstractCegarLoop]: Abstraction has 1212 states and 1613 transitions. [2020-10-29 06:42:30,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:30,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1613 transitions. [2020-10-29 06:42:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-29 06:42:30,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:30,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:30,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:42:30,956 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:30,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:30,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1957002196, now seen corresponding path program 1 times [2020-10-29 06:42:30,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:30,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232515854] [2020-10-29 06:42:30,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:32,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:32,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:42:32,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-29 06:42:32,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:32,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-29 06:42:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:42:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:32,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:32,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:32,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:32,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:42:32,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:42:32,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:32,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:42:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 06:42:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:32,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232515854] [2020-10-29 06:42:32,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:32,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:32,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814564211] [2020-10-29 06:42:32,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:32,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:32,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:32,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:32,950 INFO L87 Difference]: Start difference. First operand 1212 states and 1613 transitions. Second operand 5 states. [2020-10-29 06:42:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:36,103 INFO L93 Difference]: Finished difference Result 3002 states and 4108 transitions. [2020-10-29 06:42:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:36,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-29 06:42:36,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:36,118 INFO L225 Difference]: With dead ends: 3002 [2020-10-29 06:42:36,118 INFO L226 Difference]: Without dead ends: 1796 [2020-10-29 06:42:36,122 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 06:42:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2020-10-29 06:42:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1783. [2020-10-29 06:42:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2020-10-29 06:42:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2325 transitions. [2020-10-29 06:42:36,200 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2325 transitions. Word has length 144 [2020-10-29 06:42:36,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:36,200 INFO L481 AbstractCegarLoop]: Abstraction has 1783 states and 2325 transitions. [2020-10-29 06:42:36,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2325 transitions. [2020-10-29 06:42:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 06:42:36,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:36,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:36,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:42:36,206 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:36,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:36,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1026292640, now seen corresponding path program 1 times [2020-10-29 06:42:36,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:36,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409904435] [2020-10-29 06:42:36,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:36,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:37,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:37,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 06:42:37,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:37,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 884 [2020-10-29 06:42:37,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:37,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 06:42:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:37,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:37,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:37,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:42:37,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:37,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:37,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:37,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:37,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:42:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:37,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409904435] [2020-10-29 06:42:37,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:42:37,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:42:37,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566677629] [2020-10-29 06:42:37,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:42:37,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:37,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:42:37,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:37,605 INFO L87 Difference]: Start difference. First operand 1783 states and 2325 transitions. Second operand 7 states. [2020-10-29 06:42:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:40,332 INFO L93 Difference]: Finished difference Result 3991 states and 5236 transitions. [2020-10-29 06:42:40,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:42:40,340 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-10-29 06:42:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:40,355 INFO L225 Difference]: With dead ends: 3991 [2020-10-29 06:42:40,355 INFO L226 Difference]: Without dead ends: 2214 [2020-10-29 06:42:40,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:42:40,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2020-10-29 06:42:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2209. [2020-10-29 06:42:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2209 states. [2020-10-29 06:42:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 2855 transitions. [2020-10-29 06:42:40,456 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 2855 transitions. Word has length 150 [2020-10-29 06:42:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:40,456 INFO L481 AbstractCegarLoop]: Abstraction has 2209 states and 2855 transitions. [2020-10-29 06:42:40,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:42:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2855 transitions. [2020-10-29 06:42:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-29 06:42:40,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:40,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:40,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:42:40,461 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:40,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1319658896, now seen corresponding path program 1 times [2020-10-29 06:42:40,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:40,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646959493] [2020-10-29 06:42:40,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:40,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1628 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:42,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:42,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:42,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:42:42,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:42:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:42,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646959493] [2020-10-29 06:42:42,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:42:42,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:42:42,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272222732] [2020-10-29 06:42:42,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:42:42,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:42,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:42:42,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:42,727 INFO L87 Difference]: Start difference. First operand 2209 states and 2855 transitions. Second operand 7 states. [2020-10-29 06:42:46,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:46,029 INFO L93 Difference]: Finished difference Result 4459 states and 5862 transitions. [2020-10-29 06:42:46,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:42:46,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-10-29 06:42:46,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:46,045 INFO L225 Difference]: With dead ends: 4459 [2020-10-29 06:42:46,045 INFO L226 Difference]: Without dead ends: 2634 [2020-10-29 06:42:46,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:42:46,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2020-10-29 06:42:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2233. [2020-10-29 06:42:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2233 states. [2020-10-29 06:42:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2871 transitions. [2020-10-29 06:42:46,142 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2871 transitions. Word has length 158 [2020-10-29 06:42:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:46,142 INFO L481 AbstractCegarLoop]: Abstraction has 2233 states and 2871 transitions. [2020-10-29 06:42:46,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:42:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2871 transitions. [2020-10-29 06:42:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-29 06:42:46,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:46,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:46,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:42:46,147 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:46,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:46,148 INFO L82 PathProgramCache]: Analyzing trace with hash -909509197, now seen corresponding path program 1 times [2020-10-29 06:42:46,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:46,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137170006] [2020-10-29 06:42:46,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:46,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:46,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:46,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 06:42:46,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 06:42:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:46,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:46,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:46,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:46,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:46,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:42:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:47,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137170006] [2020-10-29 06:42:47,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:47,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:47,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365339948] [2020-10-29 06:42:47,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:47,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:47,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:47,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:47,026 INFO L87 Difference]: Start difference. First operand 2233 states and 2871 transitions. Second operand 5 states. [2020-10-29 06:42:50,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:50,022 INFO L93 Difference]: Finished difference Result 5247 states and 6938 transitions. [2020-10-29 06:42:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:50,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2020-10-29 06:42:50,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:50,040 INFO L225 Difference]: With dead ends: 5247 [2020-10-29 06:42:50,041 INFO L226 Difference]: Without dead ends: 3020 [2020-10-29 06:42:50,048 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 06:42:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2020-10-29 06:42:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 2811. [2020-10-29 06:42:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2811 states. [2020-10-29 06:42:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3719 transitions. [2020-10-29 06:42:50,136 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3719 transitions. Word has length 195 [2020-10-29 06:42:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:50,136 INFO L481 AbstractCegarLoop]: Abstraction has 2811 states and 3719 transitions. [2020-10-29 06:42:50,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3719 transitions. [2020-10-29 06:42:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-29 06:42:50,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:50,142 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:42:50,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:42:50,143 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:50,144 INFO L82 PathProgramCache]: Analyzing trace with hash -28874644, now seen corresponding path program 1 times [2020-10-29 06:42:50,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:50,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37894492] [2020-10-29 06:42:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:50,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:55,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:55,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 06:42:55,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:42:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4978 [2020-10-29 06:42:55,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:55,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:55,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:55,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:42:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:42:55,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:55,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:55,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:55,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:42:55,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:55,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:55,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:55,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:42:55,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 06:42:55,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:55,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:42:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 06:42:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:55,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:55,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:42:55,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:42:55,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37894492] [2020-10-29 06:42:55,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:55,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:42:55,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084621732] [2020-10-29 06:42:55,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:42:55,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:55,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:42:55,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:55,991 INFO L87 Difference]: Start difference. First operand 2811 states and 3719 transitions. Second operand 7 states. [2020-10-29 06:42:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:59,349 INFO L93 Difference]: Finished difference Result 6266 states and 8448 transitions. [2020-10-29 06:42:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:42:59,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-29 06:42:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:59,370 INFO L225 Difference]: With dead ends: 6266 [2020-10-29 06:42:59,370 INFO L226 Difference]: Without dead ends: 3461 [2020-10-29 06:42:59,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:42:59,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2020-10-29 06:42:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 3235. [2020-10-29 06:42:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3235 states. [2020-10-29 06:42:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4248 transitions. [2020-10-29 06:42:59,500 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4248 transitions. Word has length 230 [2020-10-29 06:42:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:59,501 INFO L481 AbstractCegarLoop]: Abstraction has 3235 states and 4248 transitions. [2020-10-29 06:42:59,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:42:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4248 transitions. [2020-10-29 06:42:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-29 06:42:59,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:59,511 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:42:59,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:42:59,511 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:59,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:59,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1748985222, now seen corresponding path program 1 times [2020-10-29 06:42:59,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:59,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624874936] [2020-10-29 06:42:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:01,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:01,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2192 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:43:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:43:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:01,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:01,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:01,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:01,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:43:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:02,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:43:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:02,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:02,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:43:02,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-29 06:43:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:02,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:43:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:43:02,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624874936] [2020-10-29 06:43:02,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:02,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:02,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974790356] [2020-10-29 06:43:02,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:02,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:02,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:02,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:02,757 INFO L87 Difference]: Start difference. First operand 3235 states and 4248 transitions. Second operand 7 states. [2020-10-29 06:43:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:06,162 INFO L93 Difference]: Finished difference Result 7674 states and 10226 transitions. [2020-10-29 06:43:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:43:06,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-10-29 06:43:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:06,194 INFO L225 Difference]: With dead ends: 7674 [2020-10-29 06:43:06,194 INFO L226 Difference]: Without dead ends: 4445 [2020-10-29 06:43:06,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 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 06:43:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2020-10-29 06:43:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4405. [2020-10-29 06:43:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4405 states. [2020-10-29 06:43:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 4405 states and 5573 transitions. [2020-10-29 06:43:06,366 INFO L78 Accepts]: Start accepts. Automaton has 4405 states and 5573 transitions. Word has length 274 [2020-10-29 06:43:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:06,367 INFO L481 AbstractCegarLoop]: Abstraction has 4405 states and 5573 transitions. [2020-10-29 06:43:06,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 5573 transitions. [2020-10-29 06:43:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-29 06:43:06,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:06,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:43:06,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:43:06,377 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:06,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:06,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1754924274, now seen corresponding path program 1 times [2020-10-29 06:43:06,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:06,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436581840] [2020-10-29 06:43:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:08,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1717 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-29 06:43:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:43:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:08,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:43:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:08,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:08,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:08,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:08,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:08,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:43:08,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:43:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:43:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:08,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:08,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:43:08,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:08,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:43:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:43:09,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436581840] [2020-10-29 06:43:09,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:09,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:09,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747012077] [2020-10-29 06:43:09,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:09,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:09,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:09,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:09,004 INFO L87 Difference]: Start difference. First operand 4405 states and 5573 transitions. Second operand 7 states. [2020-10-29 06:43:09,173 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-29 06:43:12,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:12,833 INFO L93 Difference]: Finished difference Result 10173 states and 13022 transitions. [2020-10-29 06:43:12,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:43:12,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 284 [2020-10-29 06:43:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:12,861 INFO L225 Difference]: With dead ends: 10173 [2020-10-29 06:43:12,861 INFO L226 Difference]: Without dead ends: 5774 [2020-10-29 06:43:12,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5774 states. [2020-10-29 06:43:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5774 to 5748. [2020-10-29 06:43:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5748 states. [2020-10-29 06:43:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 7157 transitions. [2020-10-29 06:43:13,035 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 7157 transitions. Word has length 284 [2020-10-29 06:43:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:13,036 INFO L481 AbstractCegarLoop]: Abstraction has 5748 states and 7157 transitions. [2020-10-29 06:43:13,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 7157 transitions. [2020-10-29 06:43:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-29 06:43:13,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:13,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:43:13,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:43:13,047 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:13,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash 364846085, now seen corresponding path program 1 times [2020-10-29 06:43:13,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:13,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627614125] [2020-10-29 06:43:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:13,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-29 06:43:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 772 [2020-10-29 06:43:13,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:13,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-29 06:43:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:43:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:14,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:14,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:14,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:14,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:43:14,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:14,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:43:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:14,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:14,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:14,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:14,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:14,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:14,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:14,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 06:43:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:43:14,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:14,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:43:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-29 06:43:14,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627614125] [2020-10-29 06:43:14,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:14,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:43:14,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700091966] [2020-10-29 06:43:14,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:43:14,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:14,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:43:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:43:14,359 INFO L87 Difference]: Start difference. First operand 5748 states and 7157 transitions. Second operand 5 states. [2020-10-29 06:43:17,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:17,505 INFO L93 Difference]: Finished difference Result 12874 states and 16286 transitions. [2020-10-29 06:43:17,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:17,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2020-10-29 06:43:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:17,540 INFO L225 Difference]: With dead ends: 12874 [2020-10-29 06:43:17,541 INFO L226 Difference]: Without dead ends: 7132 [2020-10-29 06:43:17,555 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 06:43:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2020-10-29 06:43:17,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 6908. [2020-10-29 06:43:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6908 states. [2020-10-29 06:43:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6908 states to 6908 states and 8633 transitions. [2020-10-29 06:43:17,752 INFO L78 Accepts]: Start accepts. Automaton has 6908 states and 8633 transitions. Word has length 286 [2020-10-29 06:43:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:17,753 INFO L481 AbstractCegarLoop]: Abstraction has 6908 states and 8633 transitions. [2020-10-29 06:43:17,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:43:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6908 states and 8633 transitions. [2020-10-29 06:43:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-29 06:43:17,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:17,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:43:17,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:43:17,769 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash -305585996, now seen corresponding path program 1 times [2020-10-29 06:43:17,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:17,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531091476] [2020-10-29 06:43:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:17,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:18,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:18,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:19,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-29 06:43:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 06:43:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2583 [2020-10-29 06:43:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:20,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-29 06:43:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:20,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:20,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:20,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:20,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:20,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:20,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:20,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 06:43:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:21,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:43:21,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 06:43:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-29 06:43:21,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531091476] [2020-10-29 06:43:21,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:43:21,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:43:21,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834358046] [2020-10-29 06:43:21,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:43:21,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:21,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:43:21,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:21,116 INFO L87 Difference]: Start difference. First operand 6908 states and 8633 transitions. Second operand 6 states. [2020-10-29 06:43:23,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:23,388 INFO L93 Difference]: Finished difference Result 13828 states and 17301 transitions. [2020-10-29 06:43:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:23,390 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2020-10-29 06:43:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:23,415 INFO L225 Difference]: With dead ends: 13828 [2020-10-29 06:43:23,415 INFO L226 Difference]: Without dead ends: 6926 [2020-10-29 06:43:23,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 06:43:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6926 states. [2020-10-29 06:43:23,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6926 to 6901. [2020-10-29 06:43:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6901 states. [2020-10-29 06:43:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 8617 transitions. [2020-10-29 06:43:23,653 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 8617 transitions. Word has length 309 [2020-10-29 06:43:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:23,654 INFO L481 AbstractCegarLoop]: Abstraction has 6901 states and 8617 transitions. [2020-10-29 06:43:23,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:43:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 8617 transitions. [2020-10-29 06:43:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-29 06:43:23,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:23,668 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:43:23,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:43:23,669 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:23,670 INFO L82 PathProgramCache]: Analyzing trace with hash -722982602, now seen corresponding path program 1 times [2020-10-29 06:43:23,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:23,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722835440] [2020-10-29 06:43:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:25,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:25,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-29 06:43:25,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1360 [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 06:43:25,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:25,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:25,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:25,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:25,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:43:25,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:25,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:25,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:25,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:25,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:43:25,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:25,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:25,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:25,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:43:25,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:25,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 06:43:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:25,962 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:43:25,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722835440] [2020-10-29 06:43:25,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:25,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:25,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14927062] [2020-10-29 06:43:25,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:25,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:25,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:25,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:25,968 INFO L87 Difference]: Start difference. First operand 6901 states and 8617 transitions. Second operand 7 states. [2020-10-29 06:43:29,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:29,304 INFO L93 Difference]: Finished difference Result 14081 states and 17561 transitions. [2020-10-29 06:43:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:43:29,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-29 06:43:29,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:29,327 INFO L225 Difference]: With dead ends: 14081 [2020-10-29 06:43:29,328 INFO L226 Difference]: Without dead ends: 7186 [2020-10-29 06:43:29,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7186 states. [2020-10-29 06:43:29,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7186 to 7140. [2020-10-29 06:43:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7140 states. [2020-10-29 06:43:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7140 states to 7140 states and 8765 transitions. [2020-10-29 06:43:29,510 INFO L78 Accepts]: Start accepts. Automaton has 7140 states and 8765 transitions. Word has length 309 [2020-10-29 06:43:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:29,511 INFO L481 AbstractCegarLoop]: Abstraction has 7140 states and 8765 transitions. [2020-10-29 06:43:29,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 7140 states and 8765 transitions. [2020-10-29 06:43:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-29 06:43:29,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:29,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:29,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:43:29,528 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:29,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:29,529 INFO L82 PathProgramCache]: Analyzing trace with hash 118529455, now seen corresponding path program 1 times [2020-10-29 06:43:29,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:29,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585688527] [2020-10-29 06:43:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:31,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-10-29 06:43:31,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1829 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-29 06:43:31,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:31,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:31,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:31,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:31,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:31,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:31,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:32,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:32,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 06:43:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-10-29 06:43:32,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585688527] [2020-10-29 06:43:32,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:32,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:43:32,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594967647] [2020-10-29 06:43:32,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:43:32,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:32,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:43:32,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:32,324 INFO L87 Difference]: Start difference. First operand 7140 states and 8765 transitions. Second operand 6 states. [2020-10-29 06:43:36,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:36,532 INFO L93 Difference]: Finished difference Result 17011 states and 21735 transitions. [2020-10-29 06:43:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:43:36,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 332 [2020-10-29 06:43:36,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:36,567 INFO L225 Difference]: With dead ends: 17011 [2020-10-29 06:43:36,567 INFO L226 Difference]: Without dead ends: 9495 [2020-10-29 06:43:36,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 06:43:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2020-10-29 06:43:36,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 9454. [2020-10-29 06:43:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9454 states. [2020-10-29 06:43:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 11831 transitions. [2020-10-29 06:43:36,796 INFO L78 Accepts]: Start accepts. Automaton has 9454 states and 11831 transitions. Word has length 332 [2020-10-29 06:43:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:36,797 INFO L481 AbstractCegarLoop]: Abstraction has 9454 states and 11831 transitions. [2020-10-29 06:43:36,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:43:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 9454 states and 11831 transitions. [2020-10-29 06:43:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-10-29 06:43:36,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:36,819 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:36,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:43:36,819 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:36,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1186988541, now seen corresponding path program 1 times [2020-10-29 06:43:36,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:36,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454958035] [2020-10-29 06:43:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1883 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-29 06:43:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 06:43:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:39,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:39,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:43:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-29 06:43:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:39,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:39,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:43:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 288 proven. 57 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-29 06:43:39,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454958035] [2020-10-29 06:43:39,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:39,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:39,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943329766] [2020-10-29 06:43:39,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:39,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:39,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:39,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:39,489 INFO L87 Difference]: Start difference. First operand 9454 states and 11831 transitions. Second operand 7 states. [2020-10-29 06:43:43,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:43,490 INFO L93 Difference]: Finished difference Result 20447 states and 26778 transitions. [2020-10-29 06:43:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:43:43,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 376 [2020-10-29 06:43:43,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:43,532 INFO L225 Difference]: With dead ends: 20447 [2020-10-29 06:43:43,532 INFO L226 Difference]: Without dead ends: 10999 [2020-10-29 06:43:43,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10999 states. [2020-10-29 06:43:43,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10999 to 10819. [2020-10-29 06:43:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10819 states. [2020-10-29 06:43:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10819 states to 10819 states and 13351 transitions. [2020-10-29 06:43:43,813 INFO L78 Accepts]: Start accepts. Automaton has 10819 states and 13351 transitions. Word has length 376 [2020-10-29 06:43:43,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:43,814 INFO L481 AbstractCegarLoop]: Abstraction has 10819 states and 13351 transitions. [2020-10-29 06:43:43,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 10819 states and 13351 transitions. [2020-10-29 06:43:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-29 06:43:43,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:43,834 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:43,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:43:43,834 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:43,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1846058915, now seen corresponding path program 1 times [2020-10-29 06:43:43,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:43,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289518856] [2020-10-29 06:43:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:43,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:44,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:44,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:48,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:48,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-29 06:43:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:43:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 322 [2020-10-29 06:43:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:43:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:43:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:43:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:43:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:43:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:49,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:43:49,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 06:43:49,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-29 06:43:49,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289518856] [2020-10-29 06:43:49,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:49,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:49,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597620823] [2020-10-29 06:43:49,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:49,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:49,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:49,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:49,939 INFO L87 Difference]: Start difference. First operand 10819 states and 13351 transitions. Second operand 7 states. [2020-10-29 06:43:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:53,220 INFO L93 Difference]: Finished difference Result 20239 states and 25456 transitions. [2020-10-29 06:43:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:43:53,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-10-29 06:43:53,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:53,254 INFO L225 Difference]: With dead ends: 20239 [2020-10-29 06:43:53,254 INFO L226 Difference]: Without dead ends: 9426 [2020-10-29 06:43:53,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9426 states. [2020-10-29 06:43:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9426 to 8880. [2020-10-29 06:43:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8880 states. [2020-10-29 06:43:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8880 states to 8880 states and 10458 transitions. [2020-10-29 06:43:53,486 INFO L78 Accepts]: Start accepts. Automaton has 8880 states and 10458 transitions. Word has length 378 [2020-10-29 06:43:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:53,487 INFO L481 AbstractCegarLoop]: Abstraction has 8880 states and 10458 transitions. [2020-10-29 06:43:53,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 8880 states and 10458 transitions. [2020-10-29 06:43:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-29 06:43:53,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:53,502 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:53,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:43:53,503 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:53,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1706215940, now seen corresponding path program 1 times [2020-10-29 06:43:53,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:53,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389752108] [2020-10-29 06:43:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:53,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4482 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 06:43:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:58,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:58,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:58,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:58,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:58,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:58,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:58,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:58,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 06:43:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-29 06:43:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:58,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:43:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 271 proven. 89 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-29 06:43:58,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389752108] [2020-10-29 06:43:58,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:58,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:58,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791757624] [2020-10-29 06:43:58,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:58,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:58,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:58,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:58,794 INFO L87 Difference]: Start difference. First operand 8880 states and 10458 transitions. Second operand 7 states. [2020-10-29 06:44:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:03,324 INFO L93 Difference]: Finished difference Result 21001 states and 25066 transitions. [2020-10-29 06:44:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:44:03,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 387 [2020-10-29 06:44:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:03,359 INFO L225 Difference]: With dead ends: 21001 [2020-10-29 06:44:03,359 INFO L226 Difference]: Without dead ends: 12127 [2020-10-29 06:44:03,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12127 states. [2020-10-29 06:44:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12127 to 11343. [2020-10-29 06:44:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11343 states. [2020-10-29 06:44:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11343 states to 11343 states and 13162 transitions. [2020-10-29 06:44:03,635 INFO L78 Accepts]: Start accepts. Automaton has 11343 states and 13162 transitions. Word has length 387 [2020-10-29 06:44:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:03,636 INFO L481 AbstractCegarLoop]: Abstraction has 11343 states and 13162 transitions. [2020-10-29 06:44:03,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11343 states and 13162 transitions. [2020-10-29 06:44:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-29 06:44:03,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:03,654 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 06:44:03,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 06:44:03,654 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:03,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:03,655 INFO L82 PathProgramCache]: Analyzing trace with hash 339039342, now seen corresponding path program 1 times [2020-10-29 06:44:03,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:03,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725741437] [2020-10-29 06:44:03,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:03,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-29 06:44:05,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1933 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:44:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:05,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:05,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:05,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:05,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:05,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:05,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:44:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:44:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:06,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:44:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:44:06,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725741437] [2020-10-29 06:44:06,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:06,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:06,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529235280] [2020-10-29 06:44:06,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:06,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:06,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:06,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:06,358 INFO L87 Difference]: Start difference. First operand 11343 states and 13162 transitions. Second operand 7 states. [2020-10-29 06:44:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:10,653 INFO L93 Difference]: Finished difference Result 24444 states and 28659 transitions. [2020-10-29 06:44:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:44:10,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 401 [2020-10-29 06:44:10,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:10,693 INFO L225 Difference]: With dead ends: 24444 [2020-10-29 06:44:10,694 INFO L226 Difference]: Without dead ends: 13101 [2020-10-29 06:44:10,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13101 states. [2020-10-29 06:44:10,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13101 to 12882. [2020-10-29 06:44:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12882 states. [2020-10-29 06:44:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12882 states to 12882 states and 14938 transitions. [2020-10-29 06:44:10,974 INFO L78 Accepts]: Start accepts. Automaton has 12882 states and 14938 transitions. Word has length 401 [2020-10-29 06:44:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:10,975 INFO L481 AbstractCegarLoop]: Abstraction has 12882 states and 14938 transitions. [2020-10-29 06:44:10,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 12882 states and 14938 transitions. [2020-10-29 06:44:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-10-29 06:44:11,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:11,006 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, 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, 4, 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, 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 06:44:11,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 06:44:11,006 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:11,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:11,007 INFO L82 PathProgramCache]: Analyzing trace with hash 233927451, now seen corresponding path program 1 times [2020-10-29 06:44:11,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:11,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875900819] [2020-10-29 06:44:11,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:11,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:11,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:13,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 522 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:44:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-29 06:44:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:16,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:16,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:16,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:16,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:44:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 06:44:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:16,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:16,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:44:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:16,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-29 06:44:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:44:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-29 06:44:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:44:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-10-29 06:44:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:17,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 06:44:17,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:44:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 240 proven. 254 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-10-29 06:44:17,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875900819] [2020-10-29 06:44:17,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:17,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 06:44:17,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298340739] [2020-10-29 06:44:17,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:44:17,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:17,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:44:17,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:44:17,677 INFO L87 Difference]: Start difference. First operand 12882 states and 14938 transitions. Second operand 9 states. [2020-10-29 06:44:25,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:25,460 INFO L93 Difference]: Finished difference Result 35472 states and 41149 transitions. [2020-10-29 06:44:25,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 06:44:25,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 504 [2020-10-29 06:44:25,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:25,513 INFO L225 Difference]: With dead ends: 35472 [2020-10-29 06:44:25,513 INFO L226 Difference]: Without dead ends: 22204 [2020-10-29 06:44:25,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2020-10-29 06:44:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22204 states. [2020-10-29 06:44:25,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22204 to 21928. [2020-10-29 06:44:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21928 states. [2020-10-29 06:44:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21928 states to 21928 states and 25114 transitions. [2020-10-29 06:44:26,022 INFO L78 Accepts]: Start accepts. Automaton has 21928 states and 25114 transitions. Word has length 504 [2020-10-29 06:44:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:26,023 INFO L481 AbstractCegarLoop]: Abstraction has 21928 states and 25114 transitions. [2020-10-29 06:44:26,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:44:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21928 states and 25114 transitions. [2020-10-29 06:44:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-10-29 06:44:26,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:26,075 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:26,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 06:44:26,075 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1974435770, now seen corresponding path program 1 times [2020-10-29 06:44:26,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:26,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786148458] [2020-10-29 06:44:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:26,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:26,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:27,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 562 [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:44:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-29 06:44:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-29 06:44:31,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:31,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:31,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:31,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:31,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:44:31,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:31,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:31,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:31,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:31,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:31,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:31,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:44:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-29 06:44:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:31,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:31,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:44:31,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-29 06:44:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-10-29 06:44:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:32,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:32,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:32,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:32,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:44:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 635 proven. 4 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-29 06:44:32,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786148458] [2020-10-29 06:44:32,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:32,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:32,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727220490] [2020-10-29 06:44:32,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:32,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:32,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:32,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:32,451 INFO L87 Difference]: Start difference. First operand 21928 states and 25114 transitions. Second operand 7 states. [2020-10-29 06:44:36,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:36,699 INFO L93 Difference]: Finished difference Result 43069 states and 49615 transitions. [2020-10-29 06:44:36,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:44:36,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 544 [2020-10-29 06:44:36,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:36,747 INFO L225 Difference]: With dead ends: 43069 [2020-10-29 06:44:36,747 INFO L226 Difference]: Without dead ends: 24427 [2020-10-29 06:44:36,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24427 states. [2020-10-29 06:44:37,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24427 to 23247. [2020-10-29 06:44:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23247 states. [2020-10-29 06:44:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23247 states to 23247 states and 26600 transitions. [2020-10-29 06:44:37,266 INFO L78 Accepts]: Start accepts. Automaton has 23247 states and 26600 transitions. Word has length 544 [2020-10-29 06:44:37,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:37,266 INFO L481 AbstractCegarLoop]: Abstraction has 23247 states and 26600 transitions. [2020-10-29 06:44:37,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 23247 states and 26600 transitions. [2020-10-29 06:44:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-29 06:44:37,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:37,295 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, 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:37,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 06:44:37,295 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:37,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:37,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1400682638, now seen corresponding path program 1 times [2020-10-29 06:44:37,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:37,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742193378] [2020-10-29 06:44:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:37,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:37,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:38,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 595 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:44:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:44:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:42,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:42,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:42,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:42,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:42,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:44:42,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:42,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:42,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:42,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:42,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:44:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:42,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 06:44:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-29 06:44:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:43,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:43,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:43,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 06:44:43,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:43,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-29 06:44:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:43,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:44:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 352 proven. 209 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-10-29 06:44:43,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742193378] [2020-10-29 06:44:43,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:43,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:43,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460711034] [2020-10-29 06:44:43,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:43,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:43,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:43,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:43,512 INFO L87 Difference]: Start difference. First operand 23247 states and 26600 transitions. Second operand 7 states. [2020-10-29 06:44:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:47,255 INFO L93 Difference]: Finished difference Result 52246 states and 60061 transitions. [2020-10-29 06:44:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:44:47,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 577 [2020-10-29 06:44:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:47,315 INFO L225 Difference]: With dead ends: 52246 [2020-10-29 06:44:47,315 INFO L226 Difference]: Without dead ends: 29383 [2020-10-29 06:44:47,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:47,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29383 states. [2020-10-29 06:44:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29383 to 27617. [2020-10-29 06:44:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27617 states. [2020-10-29 06:44:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27617 states to 27617 states and 31647 transitions. [2020-10-29 06:44:47,892 INFO L78 Accepts]: Start accepts. Automaton has 27617 states and 31647 transitions. Word has length 577 [2020-10-29 06:44:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:47,892 INFO L481 AbstractCegarLoop]: Abstraction has 27617 states and 31647 transitions. [2020-10-29 06:44:47,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27617 states and 31647 transitions. [2020-10-29 06:44:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2020-10-29 06:44:47,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:47,942 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 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] [2020-10-29 06:44:47,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 06:44:47,943 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:47,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1312128691, now seen corresponding path program 1 times [2020-10-29 06:44:47,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:47,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880516566] [2020-10-29 06:44:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:48,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 739 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 410 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 06:44:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:53,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:44:53,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:53,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:44:53,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 06:44:53,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:53,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-29 06:44:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:44:53,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:44:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-29 06:44:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 06:44:53,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:53,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 06:44:53,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:53,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-29 06:44:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:53,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:53,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:53,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:53,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 687 proven. 89 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2020-10-29 06:44:54,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880516566] [2020-10-29 06:44:54,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:54,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:54,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748619819] [2020-10-29 06:44:54,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:54,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:54,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:54,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:54,285 INFO L87 Difference]: Start difference. First operand 27617 states and 31647 transitions. Second operand 7 states. [2020-10-29 06:44:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:58,529 INFO L93 Difference]: Finished difference Result 56407 states and 64749 transitions. [2020-10-29 06:44:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:44:58,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 719 [2020-10-29 06:44:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:58,535 INFO L225 Difference]: With dead ends: 56407 [2020-10-29 06:44:58,535 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:44:58,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:44:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:44:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:44:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:44:58,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 719 [2020-10-29 06:44:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:58,583 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:44:58,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:44:58,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:44:58,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 06:44:58,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:45:02,964 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 621 DAG size of output: 349 [2020-10-29 06:45:04,015 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 621 DAG size of output: 349 [2020-10-29 06:45:04,267 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2020-10-29 06:45:06,872 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 307 DAG size of output: 75 [2020-10-29 06:45:13,355 WARN L193 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 560 DAG size of output: 89 [2020-10-29 06:45:16,457 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 310 DAG size of output: 74 [2020-10-29 06:45:19,713 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 310 DAG size of output: 74 [2020-10-29 06:45:19,718 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:45:19,718 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:45:19,719 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:45:19,719 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:45:19,719 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:45:19,719 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 06:45:19,719 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:45:19,719 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,720 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,721 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,722 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,723 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse9 (= |old(~a4~0)| 1))) (let ((.cse6 (not (<= 141 |old(~a29~0)|))) (.cse3 (not (<= |old(~a4~0)| 0))) (.cse5 (not (<= |old(~a29~0)| 274))) (.cse7 (not (= 12 |old(~a25~0)|))) (.cse2 (not (= 10 |old(~a25~0)|))) (.cse8 (not (<= 312 |old(~a23~0)|))) (.cse11 (not (<= |old(~a23~0)| 312))) (.cse4 (not .cse9)) (.cse0 (not (<= ~a8~0 15))) (.cse1 (not (<= (+ |old(~a29~0)| 28445) 0))) (.cse10 (not (= 9 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse8) (or .cse0 .cse7 .cse1 .cse3) (or .cse0 .cse9 (not (<= 307 |old(~a23~0)|)) (not (<= |old(~a29~0)| 220)) .cse10) (or .cse4 .cse0 (not (<= 246 |old(~a29~0)|)) .cse10) (or .cse4 .cse0 .cse7 .cse1) (or .cse0 .cse11 .cse3) (or .cse4 .cse0 .cse5 .cse11 .cse7) (or .cse4 .cse0 .cse11 (not (<= 0 (+ |old(~a23~0)| 42))) .cse10) (or .cse4 .cse0 .cse2) (or .cse4 .cse0 (not (= 13 |old(~a25~0)|)) .cse8) (or .cse4 .cse0 (not (<= 0 (+ |old(~a23~0)| 41))) .cse11) (or .cse4 .cse0 .cse1 .cse10)))) [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L179-1(line 179) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:45:19,724 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,725 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:45:19,726 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,727 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:45:19,728 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:45:19,729 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse13 (= |old(~a4~0)| 1)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse15 (= ~a23~0 |old(~a23~0)|)) (.cse16 (= ~a29~0 |old(~a29~0)|))) (let ((.cse4 (not (<= 141 |old(~a29~0)|))) (.cse10 (not (<= 0 (+ |old(~a23~0)| 41)))) (.cse12 (not (= 10 |old(~a25~0)|))) (.cse7 (not (<= |old(~a4~0)| 0))) (.cse6 (and .cse14 .cse15 .cse16 (= ~a4~0 |old(~a4~0)|))) (.cse9 (not (= 9 |old(~a25~0)|))) (.cse11 (not (<= (+ |old(~a29~0)| 28445) 0))) (.cse0 (not .cse13)) (.cse2 (not (<= ~a8~0 15))) (.cse1 (and .cse14 .cse15 .cse16 (= ~a4~0 1))) (.cse3 (not (<= |old(~a29~0)| 274))) (.cse8 (not (<= |old(~a23~0)| 312))) (.cse5 (not (= 12 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse1 .cse4 (not (<= 312 |old(~a23~0)|))) (or .cse2 .cse3 .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse2 .cse1 .cse8 (not (<= 0 (+ |old(~a23~0)| 42))) .cse9) (or .cse0 .cse1 .cse2 .cse10 (not (= 13 |old(~a25~0)|))) (or .cse2 .cse5 .cse11 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse12) (or .cse2 .cse8 .cse6 .cse7) (or .cse0 .cse2 .cse10 .cse1 .cse8) (or .cse2 .cse11 .cse12 .cse6 .cse7) (or .cse0 .cse2 .cse1 (not (<= 246 |old(~a29~0)|)) .cse9) (or .cse0 .cse1 .cse2 .cse11 .cse9) (or .cse2 .cse13 (not (<= 307 |old(~a23~0)|)) .cse6 (not (<= |old(~a29~0)| 220)) .cse9) (or .cse0 .cse1 .cse2 .cse5 .cse11) (or .cse0 .cse2 .cse1 .cse3 .cse8 .cse5)))) [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,730 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,731 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,732 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,733 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,734 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:45:19,735 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,736 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,737 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,738 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,739 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,740 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,741 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:45:19,742 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:45:19,743 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (= ~a25~0 10) (<= ~a23~0 312) (= ~a29~0 130) (<= ~a8~0 15) (= ~a4~0 1)) [2020-10-29 06:45:19,743 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:45:19,743 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:45:19,743 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 130) (= ~a4~0 1)) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (not (<= |old(~a23~0)| 312)) (not (= 10 |old(~a25~0)|)) (not (<= 312 |old(~a23~0)|))) [2020-10-29 06:45:19,743 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:45:19,743 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse9 (<= 141 ~a29~0)) (.cse1 (<= ~a23~0 312)) (.cse10 (<= ~a29~0 274)) (.cse8 (= ~a25~0 12)) (.cse4 (<= (+ ~a29~0 28445) 0)) (.cse7 (<= ~a4~0 0)) (.cse0 (<= 0 (+ ~a23~0 41))) (.cse5 (= ~a25~0 9)) (.cse6 (<= ~a8~0 15)) (.cse3 (<= 246 ~a29~0)) (.cse11 (= ~a25~0 10)) (.cse2 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a23~0)| 312)) (and .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse6) (not (<= 312 |old(~a23~0)|)) (and .cse4 .cse7 .cse8) (and .cse7 .cse1) (not (= |old(~a4~0)| 1)) (and .cse5 (<= 307 ~a23~0) (not .cse2) (<= ~a29~0 220)) (and .cse7 .cse9 .cse8 .cse10) (and .cse5 (<= 0 (+ ~a23~0 42)) .cse1 .cse2 .cse6) (not .cse6) (not (= 130 |old(~a29~0)|)) (and .cse9 .cse10 .cse2) (and .cse4 .cse8 .cse2) (and .cse1 .cse10 .cse8 .cse2) (and .cse4 .cse7 .cse11) (and .cse0 (= ~a25~0 13) .cse2) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse2 .cse6 .cse3) (and .cse11 .cse2))) [2020-10-29 06:45:19,743 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:45:19,743 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:45:19,744 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse9 (<= 141 ~a29~0)) (.cse1 (<= ~a23~0 312)) (.cse10 (<= ~a29~0 274)) (.cse8 (= ~a25~0 12)) (.cse4 (<= (+ ~a29~0 28445) 0)) (.cse7 (<= ~a4~0 0)) (.cse0 (<= 0 (+ ~a23~0 41))) (.cse5 (= ~a25~0 9)) (.cse6 (<= ~a8~0 15)) (.cse3 (<= 246 ~a29~0)) (.cse11 (= ~a25~0 10)) (.cse2 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a23~0)| 312)) (and .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse6) (not (<= 312 |old(~a23~0)|)) (and .cse4 .cse7 .cse8) (and .cse7 .cse1) (not (= |old(~a4~0)| 1)) (and .cse5 (<= 307 ~a23~0) (not .cse2) (<= ~a29~0 220)) (and .cse7 .cse9 .cse8 .cse10) (and .cse5 (<= 0 (+ ~a23~0 42)) .cse1 .cse2 .cse6) (not .cse6) (not (= 130 |old(~a29~0)|)) (and .cse9 .cse10 .cse2) (and .cse4 .cse8 .cse2) (and .cse1 .cse10 .cse8 .cse2) (and .cse4 .cse7 .cse11) (and .cse0 (= ~a25~0 13) .cse2) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse2 .cse6 .cse3) (and .cse11 .cse2))) [2020-10-29 06:45:19,744 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:45:19,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:45:19 BoogieIcfgContainer [2020-10-29 06:45:19,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:45:19,778 INFO L168 Benchmark]: Toolchain (without parser) took 189272.29 ms. Allocated memory was 156.2 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 129.7 MB in the beginning and 551.5 MB in the end (delta: -421.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-29 06:45:19,779 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:45:19,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.11 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 117.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:19,783 INFO L168 Benchmark]: Boogie Preprocessor took 238.99 ms. Allocated memory is still 156.2 MB. Free memory was 117.0 MB in the beginning and 109.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:19,784 INFO L168 Benchmark]: RCFGBuilder took 2284.63 ms. Allocated memory was 156.2 MB in the beginning and 206.6 MB in the end (delta: 50.3 MB). Free memory was 109.2 MB in the beginning and 131.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:19,784 INFO L168 Benchmark]: TraceAbstraction took 185689.42 ms. Allocated memory was 206.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 130.8 MB in the beginning and 551.5 MB in the end (delta: -420.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-29 06:45:19,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1044.11 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 117.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 238.99 ms. Allocated memory is still 156.2 MB. Free memory was 117.0 MB in the beginning and 109.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2284.63 ms. Allocated memory was 156.2 MB in the beginning and 206.6 MB in the end (delta: 50.3 MB). Free memory was 109.2 MB in the beginning and 131.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 185689.42 ms. Allocated memory was 206.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 130.8 MB in the beginning and 551.5 MB in the end (delta: -420.7 MB). Peak memory consumption was 1.3 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: (((((((((((((((((((((0 <= a23 + 41 && a23 <= 312) && a4 == 1) || !(\old(a23) <= 312)) || ((0 <= a23 + 41 && a4 == 1) && 246 <= a29)) || (((a29 + 28445 <= 0 && a25 == 9) && a4 == 1) && a8 <= 15)) || !(312 <= \old(a23))) || ((a29 + 28445 <= 0 && a4 <= 0) && a25 == 12)) || (a4 <= 0 && a23 <= 312)) || !(\old(a4) == 1)) || (((a25 == 9 && 307 <= a23) && !(a4 == 1)) && a29 <= 220)) || (((a4 <= 0 && 141 <= a29) && a25 == 12) && a29 <= 274)) || ((((a25 == 9 && 0 <= a23 + 42) && a23 <= 312) && a4 == 1) && a8 <= 15)) || !(a8 <= 15)) || !(130 == \old(a29))) || ((141 <= a29 && a29 <= 274) && a4 == 1)) || ((a29 + 28445 <= 0 && a25 == 12) && a4 == 1)) || (((a23 <= 312 && a29 <= 274) && a25 == 12) && a4 == 1)) || ((a29 + 28445 <= 0 && a4 <= 0) && a25 == 10)) || ((0 <= a23 + 41 && a25 == 13) && a4 == 1)) || !(10 == \old(a25))) || (((a25 == 9 && a4 == 1) && a8 <= 15) && 246 <= a29)) || (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: 164.4s, OverallIterations: 22, TraceHistogramMax: 6, AutomataDifference: 82.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1015 SDtfs, 13907 SDslu, 1685 SDs, 0 SdLazy, 30537 SolverSat, 4769 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 212 SyntacticMatches, 2 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27617occurred 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: 4.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 6234 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2056 PreInvPairs, 2376 NumberOfFragments, 1287 HoareAnnotationTreeSize, 2056 FomulaSimplifications, 8131564 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 96311 FormulaSimplificationTreeSizeReductionInter, 15.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 72.8s InterpolantComputationTime, 6895 NumberOfCodeBlocks, 6895 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6873 ConstructedInterpolants, 0 QuantifiedInterpolants, 5954131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 6770/7496 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...