/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/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:40:56,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:40:56,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:40:56,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:40:56,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:40:56,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:40:56,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:40:56,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:40:56,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:40:56,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:40:56,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:40:56,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:40:56,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:40:56,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:40:56,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:40:56,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:40:56,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:40:56,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:40:56,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:40:56,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:40:56,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:40:56,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:40:56,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:40:56,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:40:56,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:40:56,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:40:56,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:40:56,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:40:56,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:40:56,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:40:56,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:40:56,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:40:56,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:40:56,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:40:56,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:40:56,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:40:56,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:40:56,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:40:56,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:40:56,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:40:56,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:40:56,516 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 06:40:56,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:40:56,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:40:56,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:40:56,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:40:56,567 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:40:56,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:40:56,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:40:56,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:40:56,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:40:56,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:40:56,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:40:56,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:40:56,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:40:56,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:40:56,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:40:56,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:40:56,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:40:56,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:40:56,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:40:56,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:40:56,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:40:56,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:40:56,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:40:56,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:40:56,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:40:56,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:40:56,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:40:56,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:40:57,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:40:57,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:40:57,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-29 06:40:57,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd1a31952/97d762ac3fcb4a8f92d4c958bf813cba/FLAG7d2ba35e4 [2020-10-29 06:40:57,853 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:40:57,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-29 06:40:57,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd1a31952/97d762ac3fcb4a8f92d4c958bf813cba/FLAG7d2ba35e4 [2020-10-29 06:40:58,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd1a31952/97d762ac3fcb4a8f92d4c958bf813cba [2020-10-29 06:40:58,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:40:58,098 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:40:58,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:58,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:40:58,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:40:58,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c68637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58, skipping insertion in model container [2020-10-29 06:40:58,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:40:58,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:40:58,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:58,662 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:40:58,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:58,783 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:40:58,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58 WrapperNode [2020-10-29 06:40:58,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:58,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:40:58,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:40:58,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:40:58,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (1/1) ... [2020-10-29 06:40:58,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:40:58,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:40:58,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:40:58,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:40:58,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (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 06:40:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:40:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:40:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:40:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:40:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:40:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:40:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:40:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:40:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:41:00,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:41:00,564 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:41:00,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:00 BoogieIcfgContainer [2020-10-29 06:41:00,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:41:00,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:41:00,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:41:00,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:41:00,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:40:58" (1/3) ... [2020-10-29 06:41:00,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc55f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:00, skipping insertion in model container [2020-10-29 06:41:00,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:58" (2/3) ... [2020-10-29 06:41:00,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc55f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:00, skipping insertion in model container [2020-10-29 06:41:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:00" (3/3) ... [2020-10-29 06:41:00,578 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-10-29 06:41:00,592 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:41:00,599 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:41:00,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:41:00,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:41:00,647 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:41:00,647 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:41:00,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:41:00,647 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:41:00,647 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:41:00,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:41:00,648 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:41:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:41:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-29 06:41:00,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:00,684 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] [2020-10-29 06:41:00,685 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:00,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash 647699858, now seen corresponding path program 1 times [2020-10-29 06:41:00,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:00,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400106315] [2020-10-29 06:41:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:00,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-29 06:41:01,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-29 06:41:01,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 06:41:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:41:01,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:01,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:01,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:41:01,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:01,819 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 06:41:01,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400106315] [2020-10-29 06:41:01,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:01,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:41:01,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130737113] [2020-10-29 06:41:01,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:41:01,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:01,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:41:01,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:41:01,847 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:41:03,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:03,732 INFO L93 Difference]: Finished difference Result 593 states and 1011 transitions. [2020-10-29 06:41:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:03,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-10-29 06:41:03,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:03,750 INFO L225 Difference]: With dead ends: 593 [2020-10-29 06:41:03,750 INFO L226 Difference]: Without dead ends: 297 [2020-10-29 06:41:03,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 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 06:41:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-29 06:41:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2020-10-29 06:41:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:41:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 408 transitions. [2020-10-29 06:41:03,865 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 408 transitions. Word has length 45 [2020-10-29 06:41:03,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:03,867 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 408 transitions. [2020-10-29 06:41:03,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:41:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 408 transitions. [2020-10-29 06:41:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-29 06:41:03,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:03,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:03,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:41:03,878 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:03,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1878344367, now seen corresponding path program 1 times [2020-10-29 06:41:03,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:03,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747893264] [2020-10-29 06:41:03,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:03,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:04,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:04,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:04,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:41:04,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-10-29 06:41:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:04,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:41:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 06:41:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:05,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:05,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:05,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:41:05,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:05,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:05,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:05,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:05,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:41:05,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:05,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:41:05,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747893264] [2020-10-29 06:41:05,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:05,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:05,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856325173] [2020-10-29 06:41:05,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:05,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:05,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:05,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:05,452 INFO L87 Difference]: Start difference. First operand 297 states and 408 transitions. Second operand 5 states. [2020-10-29 06:41:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:07,082 INFO L93 Difference]: Finished difference Result 733 states and 1039 transitions. [2020-10-29 06:41:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:07,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-10-29 06:41:07,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:07,090 INFO L225 Difference]: With dead ends: 733 [2020-10-29 06:41:07,090 INFO L226 Difference]: Without dead ends: 442 [2020-10-29 06:41:07,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 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 06:41:07,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-29 06:41:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-10-29 06:41:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-29 06:41:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 597 transitions. [2020-10-29 06:41:07,128 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 597 transitions. Word has length 115 [2020-10-29 06:41:07,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:07,129 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 597 transitions. [2020-10-29 06:41:07,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 597 transitions. [2020-10-29 06:41:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 06:41:07,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:07,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:07,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:41:07,133 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:07,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:07,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1757689485, now seen corresponding path program 1 times [2020-10-29 06:41:07,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:07,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522487028] [2020-10-29 06:41:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:07,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:07,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 06:41:07,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-29 06:41:07,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:07,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:41:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:07,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:07,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:07,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:07,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:07,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:41:07,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:07,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:07,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522487028] [2020-10-29 06:41:07,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:07,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:07,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105555961] [2020-10-29 06:41:07,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:07,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:07,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:07,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:07,867 INFO L87 Difference]: Start difference. First operand 442 states and 597 transitions. Second operand 5 states. [2020-10-29 06:41:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:09,784 INFO L93 Difference]: Finished difference Result 1025 states and 1452 transitions. [2020-10-29 06:41:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:09,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-29 06:41:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:09,790 INFO L225 Difference]: With dead ends: 1025 [2020-10-29 06:41:09,791 INFO L226 Difference]: Without dead ends: 732 [2020-10-29 06:41:09,792 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 06:41:09,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-10-29 06:41:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2020-10-29 06:41:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-10-29 06:41:09,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 960 transitions. [2020-10-29 06:41:09,843 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 960 transitions. Word has length 124 [2020-10-29 06:41:09,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:09,844 INFO L481 AbstractCegarLoop]: Abstraction has 732 states and 960 transitions. [2020-10-29 06:41:09,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:09,844 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 960 transitions. [2020-10-29 06:41:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 06:41:09,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:09,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:09,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:41:09,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:09,850 INFO L82 PathProgramCache]: Analyzing trace with hash 961048657, now seen corresponding path program 1 times [2020-10-29 06:41:09,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:09,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319208333] [2020-10-29 06:41:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:10,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:10,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:10,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:41:10,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:10,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-29 06:41:10,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:10,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:41:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:10,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:10,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:41:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:10,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:10,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:11,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:41:11,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 06:41:11,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:11,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:41:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:11,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319208333] [2020-10-29 06:41:11,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:11,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:41:11,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938221078] [2020-10-29 06:41:11,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:11,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:11,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:11,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:11,291 INFO L87 Difference]: Start difference. First operand 732 states and 960 transitions. Second operand 7 states. [2020-10-29 06:41:13,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:13,513 INFO L93 Difference]: Finished difference Result 1780 states and 2436 transitions. [2020-10-29 06:41:13,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:41:13,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-10-29 06:41:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:13,527 INFO L225 Difference]: With dead ends: 1780 [2020-10-29 06:41:13,527 INFO L226 Difference]: Without dead ends: 1197 [2020-10-29 06:41:13,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-10-29 06:41:13,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1183. [2020-10-29 06:41:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-29 06:41:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1457 transitions. [2020-10-29 06:41:13,588 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1457 transitions. Word has length 126 [2020-10-29 06:41:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:13,588 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1457 transitions. [2020-10-29 06:41:13,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1457 transitions. [2020-10-29 06:41:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-29 06:41:13,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:13,596 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:41:13,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:41:13,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:13,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1443555216, now seen corresponding path program 1 times [2020-10-29 06:41:13,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:13,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670892523] [2020-10-29 06:41:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:13,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:14,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 06:41:14,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-29 06:41:14,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:14,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:41:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:14,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:14,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:14,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:14,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:14,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:14,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:14,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:14,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:41:14,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:14,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:14,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:14,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:14,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:14,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:14,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:14,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:41:14,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 06:41:14,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:14,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:41:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 102 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:41:15,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670892523] [2020-10-29 06:41:15,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:15,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:41:15,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177828909] [2020-10-29 06:41:15,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:41:15,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:15,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:41:15,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:15,011 INFO L87 Difference]: Start difference. First operand 1183 states and 1457 transitions. Second operand 8 states. [2020-10-29 06:41:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:18,543 INFO L93 Difference]: Finished difference Result 2835 states and 3673 transitions. [2020-10-29 06:41:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:41:18,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-10-29 06:41:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:18,558 INFO L225 Difference]: With dead ends: 2835 [2020-10-29 06:41:18,558 INFO L226 Difference]: Without dead ends: 1801 [2020-10-29 06:41:18,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:41:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-29 06:41:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1495. [2020-10-29 06:41:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-29 06:41:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1846 transitions. [2020-10-29 06:41:18,631 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1846 transitions. Word has length 187 [2020-10-29 06:41:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:18,632 INFO L481 AbstractCegarLoop]: Abstraction has 1495 states and 1846 transitions. [2020-10-29 06:41:18,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:41:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1846 transitions. [2020-10-29 06:41:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 06:41:18,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:18,637 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:41:18,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:41:18,638 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:18,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1258893092, now seen corresponding path program 1 times [2020-10-29 06:41:18,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:18,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827544940] [2020-10-29 06:41:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:18,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:20,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:20,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-29 06:41:20,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-29 06:41:20,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:20,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:20,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:20,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:20,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:20,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 06:41:20,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:20,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:20,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:20,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827544940] [2020-10-29 06:41:20,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:20,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:20,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684727723] [2020-10-29 06:41:20,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:20,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:20,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:20,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:20,836 INFO L87 Difference]: Start difference. First operand 1495 states and 1846 transitions. Second operand 7 states. [2020-10-29 06:41:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:22,705 INFO L93 Difference]: Finished difference Result 3157 states and 3929 transitions. [2020-10-29 06:41:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:41:22,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-29 06:41:22,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:22,717 INFO L225 Difference]: With dead ends: 3157 [2020-10-29 06:41:22,717 INFO L226 Difference]: Without dead ends: 1811 [2020-10-29 06:41:22,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-10-29 06:41:22,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1795. [2020-10-29 06:41:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1795 states. [2020-10-29 06:41:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2097 transitions. [2020-10-29 06:41:22,779 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2097 transitions. Word has length 197 [2020-10-29 06:41:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:22,780 INFO L481 AbstractCegarLoop]: Abstraction has 1795 states and 2097 transitions. [2020-10-29 06:41:22,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2097 transitions. [2020-10-29 06:41:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-29 06:41:22,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:22,785 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:41:22,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:41:22,785 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:22,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:22,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972222, now seen corresponding path program 1 times [2020-10-29 06:41:22,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:22,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828366448] [2020-10-29 06:41:22,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:23,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:23,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:23,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 06:41:23,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-10-29 06:41:23,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:23,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:41:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:24,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:24,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:24,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 06:41:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:24,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:41:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:41:24,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:41:24,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:41:24,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:24,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828366448] [2020-10-29 06:41:24,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:24,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:24,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669670661] [2020-10-29 06:41:24,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:24,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:24,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:24,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:24,429 INFO L87 Difference]: Start difference. First operand 1795 states and 2097 transitions. Second operand 7 states. [2020-10-29 06:41:27,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:27,263 INFO L93 Difference]: Finished difference Result 4756 states and 5634 transitions. [2020-10-29 06:41:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:41:27,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-10-29 06:41:27,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:27,281 INFO L225 Difference]: With dead ends: 4756 [2020-10-29 06:41:27,281 INFO L226 Difference]: Without dead ends: 2230 [2020-10-29 06:41:27,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:41:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2020-10-29 06:41:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1652. [2020-10-29 06:41:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-29 06:41:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1901 transitions. [2020-10-29 06:41:27,355 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1901 transitions. Word has length 209 [2020-10-29 06:41:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:27,355 INFO L481 AbstractCegarLoop]: Abstraction has 1652 states and 1901 transitions. [2020-10-29 06:41:27,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1901 transitions. [2020-10-29 06:41:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-29 06:41:27,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:27,362 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:41:27,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:41:27,363 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:27,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:27,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1936966922, now seen corresponding path program 1 times [2020-10-29 06:41:27,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:27,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898616657] [2020-10-29 06:41:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:27,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:27,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 06:41:27,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-29 06:41:27,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:27,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:41:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:27,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:27,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:27,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:27,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:28,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:28,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:28,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 06:41:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:28,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:28,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:28,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:28,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:41:28,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 06:41:28,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:28,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:41:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-29 06:41:28,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898616657] [2020-10-29 06:41:28,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:28,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:28,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119008126] [2020-10-29 06:41:28,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:28,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:28,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:28,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:28,287 INFO L87 Difference]: Start difference. First operand 1652 states and 1901 transitions. Second operand 5 states. [2020-10-29 06:41:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:29,830 INFO L93 Difference]: Finished difference Result 3443 states and 4033 transitions. [2020-10-29 06:41:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:29,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-29 06:41:29,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:29,842 INFO L225 Difference]: With dead ends: 3443 [2020-10-29 06:41:29,842 INFO L226 Difference]: Without dead ends: 1940 [2020-10-29 06:41:29,846 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 06:41:29,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2020-10-29 06:41:29,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1936. [2020-10-29 06:41:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1936 states. [2020-10-29 06:41:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2214 transitions. [2020-10-29 06:41:29,932 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2214 transitions. Word has length 245 [2020-10-29 06:41:29,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:29,933 INFO L481 AbstractCegarLoop]: Abstraction has 1936 states and 2214 transitions. [2020-10-29 06:41:29,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2214 transitions. [2020-10-29 06:41:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-29 06:41:29,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:29,941 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:29,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:41:29,941 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:29,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:29,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1752418917, now seen corresponding path program 1 times [2020-10-29 06:41:29,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:29,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682999629] [2020-10-29 06:41:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:30,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:31,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:33,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-29 06:41:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3409 [2020-10-29 06:41:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:33,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-29 06:41:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:33,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:33,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:33,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:33,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:33,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 06:41:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:33,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:33,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:33,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:41:33,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 06:41:33,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:33,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:41:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:33,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-29 06:41:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:33,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:33,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:33,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:33,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:41:33,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:33,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-29 06:41:34,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682999629] [2020-10-29 06:41:34,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:34,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:34,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511638985] [2020-10-29 06:41:34,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:34,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:34,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:34,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:34,069 INFO L87 Difference]: Start difference. First operand 1936 states and 2214 transitions. Second operand 7 states. [2020-10-29 06:41:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:36,156 INFO L93 Difference]: Finished difference Result 3880 states and 4479 transitions. [2020-10-29 06:41:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:41:36,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-29 06:41:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:36,168 INFO L225 Difference]: With dead ends: 3880 [2020-10-29 06:41:36,168 INFO L226 Difference]: Without dead ends: 2093 [2020-10-29 06:41:36,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-10-29 06:41:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2085. [2020-10-29 06:41:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-10-29 06:41:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2387 transitions. [2020-10-29 06:41:36,234 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2387 transitions. Word has length 319 [2020-10-29 06:41:36,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:36,235 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2387 transitions. [2020-10-29 06:41:36,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2387 transitions. [2020-10-29 06:41:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-29 06:41:36,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:36,244 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:36,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:41:36,245 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:36,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:36,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1409505583, now seen corresponding path program 1 times [2020-10-29 06:41:36,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:36,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144927664] [2020-10-29 06:41:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:41,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-29 06:41:41,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:41,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:41,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:41,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:41,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:41:41,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:41,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:41,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:41:41,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:41,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:41:41,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-29 06:41:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:41,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:41,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-29 06:41:42,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144927664] [2020-10-29 06:41:42,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:42,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:42,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271425494] [2020-10-29 06:41:42,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:42,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:42,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:42,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:42,022 INFO L87 Difference]: Start difference. First operand 2085 states and 2387 transitions. Second operand 7 states. [2020-10-29 06:41:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:44,381 INFO L93 Difference]: Finished difference Result 4913 states and 5701 transitions. [2020-10-29 06:41:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:44,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-10-29 06:41:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:44,396 INFO L225 Difference]: With dead ends: 4913 [2020-10-29 06:41:44,397 INFO L226 Difference]: Without dead ends: 2977 [2020-10-29 06:41:44,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:41:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2020-10-29 06:41:44,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2675. [2020-10-29 06:41:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2675 states. [2020-10-29 06:41:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3048 transitions. [2020-10-29 06:41:44,499 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3048 transitions. Word has length 329 [2020-10-29 06:41:44,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:44,500 INFO L481 AbstractCegarLoop]: Abstraction has 2675 states and 3048 transitions. [2020-10-29 06:41:44,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3048 transitions. [2020-10-29 06:41:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-29 06:41:44,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:44,512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 06:41:44,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:41:44,512 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:44,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:44,513 INFO L82 PathProgramCache]: Analyzing trace with hash -440169957, now seen corresponding path program 1 times [2020-10-29 06:41:44,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:44,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106958506] [2020-10-29 06:41:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:44,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:44,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:49,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:49,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-29 06:41:49,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 06:41:49,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:49,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-29 06:41:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:49,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:49,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:49,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:41:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-29 06:41:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:50,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:50,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:50,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:41:50,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106958506] [2020-10-29 06:41:50,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:50,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:50,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126386185] [2020-10-29 06:41:50,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:50,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:50,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:50,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:50,268 INFO L87 Difference]: Start difference. First operand 2675 states and 3048 transitions. Second operand 7 states. [2020-10-29 06:41:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:52,260 INFO L93 Difference]: Finished difference Result 6073 states and 6992 transitions. [2020-10-29 06:41:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:41:52,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 338 [2020-10-29 06:41:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:52,276 INFO L225 Difference]: With dead ends: 6073 [2020-10-29 06:41:52,276 INFO L226 Difference]: Without dead ends: 3547 [2020-10-29 06:41:52,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:41:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2020-10-29 06:41:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3255. [2020-10-29 06:41:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3255 states. [2020-10-29 06:41:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 3746 transitions. [2020-10-29 06:41:52,378 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 3746 transitions. Word has length 338 [2020-10-29 06:41:52,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:52,379 INFO L481 AbstractCegarLoop]: Abstraction has 3255 states and 3746 transitions. [2020-10-29 06:41:52,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3746 transitions. [2020-10-29 06:41:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-10-29 06:41:52,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:52,392 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:52,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:41:52,392 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:52,393 INFO L82 PathProgramCache]: Analyzing trace with hash 435992315, now seen corresponding path program 1 times [2020-10-29 06:41:52,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:52,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311570187] [2020-10-29 06:41:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:52,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:53,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:56,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-29 06:41:56,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3555 [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:41:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-29 06:41:56,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:56,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:56,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:56,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:56,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:56,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:56,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 06:41:56,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:56,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:41:56,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:56,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:56,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 06:41:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:56,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:41:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:56,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:56,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:41:56,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 06:41:56,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:56,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:41:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-29 06:41:56,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311570187] [2020-10-29 06:41:56,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:56,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:56,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831594252] [2020-10-29 06:41:56,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:56,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:56,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:56,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:56,828 INFO L87 Difference]: Start difference. First operand 3255 states and 3746 transitions. Second operand 7 states. [2020-10-29 06:41:58,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:58,749 INFO L93 Difference]: Finished difference Result 6534 states and 7586 transitions. [2020-10-29 06:41:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:41:58,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 367 [2020-10-29 06:41:58,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:58,768 INFO L225 Difference]: With dead ends: 6534 [2020-10-29 06:41:58,768 INFO L226 Difference]: Without dead ends: 3428 [2020-10-29 06:41:58,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:41:58,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2020-10-29 06:41:58,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 3398. [2020-10-29 06:41:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3398 states. [2020-10-29 06:41:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 3790 transitions. [2020-10-29 06:41:58,872 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 3790 transitions. Word has length 367 [2020-10-29 06:41:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:58,873 INFO L481 AbstractCegarLoop]: Abstraction has 3398 states and 3790 transitions. [2020-10-29 06:41:58,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 3790 transitions. [2020-10-29 06:41:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-10-29 06:41:58,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:58,887 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 06:41:58,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:41:58,887 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:58,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:58,888 INFO L82 PathProgramCache]: Analyzing trace with hash -707855097, now seen corresponding path program 1 times [2020-10-29 06:41:58,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:58,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115872529] [2020-10-29 06:41:58,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:59,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:42:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 06:42:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:00,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:42:00,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:42:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 06:42:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:42:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-29 06:42:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:42:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 114 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-29 06:42:00,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115872529] [2020-10-29 06:42:00,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:00,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:00,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90538579] [2020-10-29 06:42:00,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:00,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:00,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:00,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:00,680 INFO L87 Difference]: Start difference. First operand 3398 states and 3790 transitions. Second operand 5 states. [2020-10-29 06:42:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:02,240 INFO L93 Difference]: Finished difference Result 6791 states and 7580 transitions. [2020-10-29 06:42:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:02,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 385 [2020-10-29 06:42:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:02,242 INFO L225 Difference]: With dead ends: 6791 [2020-10-29 06:42:02,242 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:42:02,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 06:42:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:42:02,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:42:02,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:42:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:42:02,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2020-10-29 06:42:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:02,260 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:42:02,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:42:02,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:42:02,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:42:02,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:42:02,538 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 109 [2020-10-29 06:42:03,310 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 109 [2020-10-29 06:42:03,720 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 41 [2020-10-29 06:42:04,044 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-29 06:42:05,255 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 178 DAG size of output: 51 [2020-10-29 06:42:05,582 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-29 06:42:05,588 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:42:05,588 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:42:05,588 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:42:05,589 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:42:05,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:05,589 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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#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)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:42:05,590 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,591 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:42:05,592 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,593 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:42:05,594 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,595 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:42:05,596 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,597 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:42:05,598 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:42:05,599 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:42:05,600 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:42:05,601 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:42:05,602 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:42:05,602 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:42:05,602 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:42:05,603 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse3 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse1 (not (= 10 |old(~a19~0)|))) (.cse0 (not (= 0 |old(~a10~0)|))) (.cse5 (not (= 8 |old(~a19~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse1) (or .cse3 .cse0) (not (<= 2 |old(~a10~0)|)) (or .cse4 (not (= 7 |old(~a19~0)|))) (or .cse2 .cse4) (or .cse4 .cse1) (or .cse0 .cse5) (or (not (<= 331498 |old(~a1~0)|)) .cse5))) [2020-10-29 06:42:05,603 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:42:05,603 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,604 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:42:05,605 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:42:05,606 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:42:05,606 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:42:05,606 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:42:05,606 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,607 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:42:05,608 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse3 (not (<= (+ |old(~a1~0)| 75821) 0))) (.cse1 (not (= 9 |old(~a19~0)|))) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse6 (not (= 8 |old(~a19~0)|))) (.cse5 (not (= |old(~a10~0)| 1))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse4 (not (= 10 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 .cse3 .cse2) (or .cse1 .cse5 .cse0) (or .cse0 .cse2 .cse6) (or .cse5 .cse0 (not (= 7 |old(~a19~0)|))) (or .cse0 .cse2 .cse4) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse6) (or .cse5 .cse0 .cse4))) [2020-10-29 06:42:05,608 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:42:05,608 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:42:05,608 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:42:05,608 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:42:05,610 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:42:05,611 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:42:05,612 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:42:05,613 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,614 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:05,615 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:05,615 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-29 06:42:05,615 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:42:05,615 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:05,615 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-29 06:42:05,615 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:05,615 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse1 (= ~a19~0 10)) (.cse4 (<= (+ ~a1~0 75821) 0)) (.cse2 (= ~a19~0 8)) (.cse3 (= ~a10~0 0))) (or (and .cse0 .cse1) (and .cse2 (<= 331498 ~a1~0)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0) (not (= 9 |old(~a19~0)|)) (and .cse0 (= ~a19~0 9)) (and .cse3 .cse4) (and .cse0 (= 7 ~a19~0)) (and .cse3 .cse1) (and .cse1 .cse4) (and .cse3 (= ~a19~0 |old(~a19~0)|)) (and .cse2 .cse3))) [2020-10-29 06:42:05,615 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:42:05,616 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:42:05,616 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 1)) (.cse1 (= ~a19~0 10)) (.cse4 (<= (+ ~a1~0 75821) 0)) (.cse2 (= ~a19~0 8)) (.cse3 (= ~a10~0 0))) (or (and .cse0 .cse1) (and .cse2 (<= 331498 ~a1~0)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (<= 2 ~a10~0) (not (= 9 |old(~a19~0)|)) (and .cse0 (= ~a19~0 9)) (and .cse3 .cse4) (and .cse0 (= 7 ~a19~0)) (and .cse3 .cse1) (and .cse1 .cse4) (and .cse3 (= ~a19~0 |old(~a19~0)|)) (and .cse2 .cse3))) [2020-10-29 06:42:05,616 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:05,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:42:05 BoogieIcfgContainer [2020-10-29 06:42:05,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:42:05,655 INFO L168 Benchmark]: Toolchain (without parser) took 67561.08 ms. Allocated memory was 159.4 MB in the beginning and 1.1 GB in the end (delta: 916.5 MB). Free memory was 133.3 MB in the beginning and 948.5 MB in the end (delta: -815.2 MB). Peak memory consumption was 641.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:05,656 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 159.4 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:42:05,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.08 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 105.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:05,657 INFO L168 Benchmark]: Boogie Preprocessor took 143.05 ms. Allocated memory is still 159.4 MB. Free memory was 105.9 MB in the beginning and 101.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:05,660 INFO L168 Benchmark]: RCFGBuilder took 1635.93 ms. Allocated memory is still 159.4 MB. Free memory was 101.2 MB in the beginning and 80.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:05,666 INFO L168 Benchmark]: TraceAbstraction took 65082.90 ms. Allocated memory was 159.4 MB in the beginning and 1.1 GB in the end (delta: 916.5 MB). Free memory was 80.3 MB in the beginning and 948.5 MB in the end (delta: -868.2 MB). Peak memory consumption was 587.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:05,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 159.4 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.08 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 105.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.05 ms. Allocated memory is still 159.4 MB. Free memory was 105.9 MB in the beginning and 101.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1635.93 ms. Allocated memory is still 159.4 MB. Free memory was 101.2 MB in the beginning and 80.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 65082.90 ms. Allocated memory was 159.4 MB in the beginning and 1.1 GB in the end (delta: 916.5 MB). Free memory was 80.3 MB in the beginning and 948.5 MB in the end (delta: -868.2 MB). Peak memory consumption was 587.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((((((a10 == 1 && a19 == 10) || (a19 == 8 && 331498 <= a1)) || !(0 == \old(a10))) || !(23 == \old(a1))) || 2 <= a10) || !(9 == \old(a19))) || (a10 == 1 && a19 == 9)) || (a10 == 0 && a1 + 75821 <= 0)) || (a10 == 1 && 7 == a19)) || (a10 == 0 && a19 == 10)) || (a19 == 10 && a1 + 75821 <= 0)) || (a10 == 0 && a19 == \old(a19))) || (a19 == 8 && a10 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 358 SDtfs, 4826 SDslu, 430 SDs, 0 SdLazy, 12229 SolverSat, 1534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3398occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 1550 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 341 PreInvPairs, 401 NumberOfFragments, 543 HoareAnnotationTreeSize, 341 FomulaSimplifications, 12494 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4714 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 30.9s InterpolantComputationTime, 2986 NumberOfCodeBlocks, 2986 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2973 ConstructedInterpolants, 0 QuantifiedInterpolants, 1542740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 2524/2582 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...