/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:28:54,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:28:54,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:28:54,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:28:54,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:28:54,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:28:54,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:28:54,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:28:54,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:28:54,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:28:54,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:28:54,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:28:54,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:28:54,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:28:54,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:28:54,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:28:54,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:28:54,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:28:54,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:28:54,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:28:54,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:28:54,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:28:54,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:28:54,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:28:54,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:28:54,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:28:54,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:28:54,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:28:54,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:28:54,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:28:54,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:28:54,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:28:54,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:28:54,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:28:54,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:28:54,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:28:54,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:28:54,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:28:54,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:28:54,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:28:54,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:28:54,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:28:54,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:28:54,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:28:54,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:28:54,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:28:54,234 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:28:54,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:28:54,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:28:54,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:28:54,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:28:54,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:28:54,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:28:54,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:28:54,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:28:54,237 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:28:54,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:28:54,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:28:54,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:28:54,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:28:54,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:28:54,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:28:54,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:28:54,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:54,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:28:54,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:28:54,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:28:54,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:28:54,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:28:54,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:28:54,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:28:54,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:28:54,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:28:54,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:28:54,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:28:54,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:28:54,692 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:28:54,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label59.c [2020-10-27 17:28:54,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25daaaa0d/3668550b1f714460be051eba2a0613ab/FLAG41eba5518 [2020-10-27 17:28:55,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:28:55,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label59.c [2020-10-27 17:28:55,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25daaaa0d/3668550b1f714460be051eba2a0613ab/FLAG41eba5518 [2020-10-27 17:28:55,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25daaaa0d/3668550b1f714460be051eba2a0613ab [2020-10-27 17:28:55,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:28:55,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:28:55,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:55,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:28:55,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:28:55,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:55" (1/1) ... [2020-10-27 17:28:55,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14558c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:55, skipping insertion in model container [2020-10-27 17:28:55,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:55" (1/1) ... [2020-10-27 17:28:55,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:28:55,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:28:56,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:56,316 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:28:56,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:56,541 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:28:56,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56 WrapperNode [2020-10-27 17:28:56,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:56,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:28:56,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:28:56,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:28:56,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... [2020-10-27 17:28:56,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:28:56,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:28:56,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:28:56,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:28:56,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:28:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:28:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:28:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:28:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:28:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:28:58,208 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:28:58,208 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:28:58,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:58 BoogieIcfgContainer [2020-10-27 17:28:58,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:28:58,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:28:58,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:28:58,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:28:58,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:28:55" (1/3) ... [2020-10-27 17:28:58,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dd1ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:58, skipping insertion in model container [2020-10-27 17:28:58,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:56" (2/3) ... [2020-10-27 17:28:58,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dd1ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:58, skipping insertion in model container [2020-10-27 17:28:58,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:58" (3/3) ... [2020-10-27 17:28:58,220 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2020-10-27 17:28:58,232 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:28:58,238 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:28:58,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:28:58,281 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:28:58,281 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:28:58,281 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:28:58,281 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:28:58,282 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:28:58,282 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:28:58,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:28:58,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:28:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:28:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 17:28:58,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:58,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:58,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:58,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:58,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1195446764, now seen corresponding path program 1 times [2020-10-27 17:28:58,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:58,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081045156] [2020-10-27 17:28:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:58,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:59,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:59,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 17:28:59,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-27 17:28:59,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:28:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:28:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 17:28:59,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 17:28:59,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:59,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:59,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 17:28:59,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:28:59,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:59,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081045156] [2020-10-27 17:28:59,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:28:59,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:28:59,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56304772] [2020-10-27 17:28:59,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:28:59,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:59,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:28:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:28:59,494 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:29:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:01,146 INFO L93 Difference]: Finished difference Result 601 states and 1028 transitions. [2020-10-27 17:29:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:01,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-10-27 17:29:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:01,174 INFO L225 Difference]: With dead ends: 601 [2020-10-27 17:29:01,174 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:29:01,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:01,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:29:01,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-27 17:29:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 17:29:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-27 17:29:01,289 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 72 [2020-10-27 17:29:01,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:01,290 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-27 17:29:01,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:29:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-27 17:29:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 17:29:01,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:01,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:01,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:29:01,299 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:01,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1534943248, now seen corresponding path program 1 times [2020-10-27 17:29:01,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:01,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353393240] [2020-10-27 17:29:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:01,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:01,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 17:29:01,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-27 17:29:01,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:29:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:29:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:02,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:02,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:02,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:02,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:02,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:29:02,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:02,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:29:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 17:29:02,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:02,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:29:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:02,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353393240] [2020-10-27 17:29:02,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:02,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:02,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390152702] [2020-10-27 17:29:02,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:02,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:02,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:02,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:02,344 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 5 states. [2020-10-27 17:29:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:04,145 INFO L93 Difference]: Finished difference Result 888 states and 1375 transitions. [2020-10-27 17:29:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:04,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-27 17:29:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:04,153 INFO L225 Difference]: With dead ends: 888 [2020-10-27 17:29:04,154 INFO L226 Difference]: Without dead ends: 597 [2020-10-27 17:29:04,155 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 [2020-10-27 17:29:04,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-27 17:29:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 587. [2020-10-27 17:29:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-27 17:29:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 810 transitions. [2020-10-27 17:29:04,207 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 810 transitions. Word has length 142 [2020-10-27 17:29:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:04,208 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 810 transitions. [2020-10-27 17:29:04,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 810 transitions. [2020-10-27 17:29:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 17:29:04,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:04,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:29:04,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:29:04,213 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:04,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:04,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1521672172, now seen corresponding path program 1 times [2020-10-27 17:29:04,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:04,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090313293] [2020-10-27 17:29:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 17:29:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-27 17:29:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 17:29:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:29:05,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:05,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:05,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:05,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:05,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:05,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:05,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:05,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 17:29:05,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 17:29:05,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:29:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:05,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090313293] [2020-10-27 17:29:05,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:05,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:05,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117811941] [2020-10-27 17:29:05,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:05,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:05,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:05,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:05,651 INFO L87 Difference]: Start difference. First operand 587 states and 810 transitions. Second operand 5 states. [2020-10-27 17:29:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:07,432 INFO L93 Difference]: Finished difference Result 1472 states and 2121 transitions. [2020-10-27 17:29:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:07,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-27 17:29:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:07,441 INFO L225 Difference]: With dead ends: 1472 [2020-10-27 17:29:07,442 INFO L226 Difference]: Without dead ends: 891 [2020-10-27 17:29:07,443 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 [2020-10-27 17:29:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-27 17:29:07,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 879. [2020-10-27 17:29:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:29:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1169 transitions. [2020-10-27 17:29:07,493 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1169 transitions. Word has length 153 [2020-10-27 17:29:07,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:07,493 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1169 transitions. [2020-10-27 17:29:07,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1169 transitions. [2020-10-27 17:29:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 17:29:07,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:07,500 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:07,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:29:07,500 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:07,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:07,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1906133720, now seen corresponding path program 1 times [2020-10-27 17:29:07,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:07,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170832019] [2020-10-27 17:29:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:07,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:07,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:08,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:09,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:09,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 17:29:09,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:09,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1559 [2020-10-27 17:29:09,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 17:29:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:29:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:09,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:09,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:09,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:09,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:09,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:09,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:09,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:09,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:09,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 17:29:09,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:09,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 17:29:09,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:09,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:29:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:09,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170832019] [2020-10-27 17:29:09,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:09,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:29:09,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684455686] [2020-10-27 17:29:09,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:29:09,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:09,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:29:09,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:09,411 INFO L87 Difference]: Start difference. First operand 879 states and 1169 transitions. Second operand 6 states. [2020-10-27 17:29:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:11,243 INFO L93 Difference]: Finished difference Result 2203 states and 3057 transitions. [2020-10-27 17:29:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:11,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-10-27 17:29:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:11,254 INFO L225 Difference]: With dead ends: 2203 [2020-10-27 17:29:11,254 INFO L226 Difference]: Without dead ends: 1330 [2020-10-27 17:29:11,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:11,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-10-27 17:29:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1314. [2020-10-27 17:29:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-27 17:29:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1788 transitions. [2020-10-27 17:29:11,313 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1788 transitions. Word has length 154 [2020-10-27 17:29:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:11,313 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1788 transitions. [2020-10-27 17:29:11,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:29:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1788 transitions. [2020-10-27 17:29:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-27 17:29:11,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:11,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:11,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:29:11,320 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:11,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:11,320 INFO L82 PathProgramCache]: Analyzing trace with hash -466322048, now seen corresponding path program 1 times [2020-10-27 17:29:11,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:11,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417702893] [2020-10-27 17:29:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:11,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:11,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:13,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 17:29:13,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1628 [2020-10-27 17:29:13,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 17:29:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 17:29:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:13,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:13,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:13,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:13,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:29:13,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:13,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:13,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:29:13,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 17:29:13,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:29:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:13,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417702893] [2020-10-27 17:29:13,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:13,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:13,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951659923] [2020-10-27 17:29:13,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:13,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:13,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:13,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:13,397 INFO L87 Difference]: Start difference. First operand 1314 states and 1788 transitions. Second operand 5 states. [2020-10-27 17:29:15,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:15,000 INFO L93 Difference]: Finished difference Result 2928 states and 4052 transitions. [2020-10-27 17:29:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:15,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-27 17:29:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:15,009 INFO L225 Difference]: With dead ends: 2928 [2020-10-27 17:29:15,009 INFO L226 Difference]: Without dead ends: 1330 [2020-10-27 17:29:15,013 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 [2020-10-27 17:29:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-10-27 17:29:15,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1314. [2020-10-27 17:29:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-27 17:29:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1763 transitions. [2020-10-27 17:29:15,063 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1763 transitions. Word has length 198 [2020-10-27 17:29:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:15,063 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1763 transitions. [2020-10-27 17:29:15,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1763 transitions. [2020-10-27 17:29:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-27 17:29:15,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:15,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:15,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:29:15,070 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:15,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1926649556, now seen corresponding path program 1 times [2020-10-27 17:29:15,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:15,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287511067] [2020-10-27 17:29:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 17:29:15,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-27 17:29:15,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:15,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:29:15,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:15,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:29:15,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 17:29:15,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:15,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:15,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:29:15,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:29:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:15,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 17:29:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:16,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287511067] [2020-10-27 17:29:16,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:16,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:16,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844348897] [2020-10-27 17:29:16,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:16,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:16,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:16,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:16,190 INFO L87 Difference]: Start difference. First operand 1314 states and 1763 transitions. Second operand 7 states. [2020-10-27 17:29:19,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:19,246 INFO L93 Difference]: Finished difference Result 3284 states and 4667 transitions. [2020-10-27 17:29:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:29:19,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-27 17:29:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:19,261 INFO L225 Difference]: With dead ends: 3284 [2020-10-27 17:29:19,261 INFO L226 Difference]: Without dead ends: 1976 [2020-10-27 17:29:19,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:29:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2020-10-27 17:29:19,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1908. [2020-10-27 17:29:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1908 states. [2020-10-27 17:29:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2562 transitions. [2020-10-27 17:29:19,350 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2562 transitions. Word has length 228 [2020-10-27 17:29:19,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:19,350 INFO L481 AbstractCegarLoop]: Abstraction has 1908 states and 2562 transitions. [2020-10-27 17:29:19,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2562 transitions. [2020-10-27 17:29:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 17:29:19,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:19,358 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:19,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:29:19,359 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:19,359 INFO L82 PathProgramCache]: Analyzing trace with hash -713194016, now seen corresponding path program 1 times [2020-10-27 17:29:19,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:19,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906026883] [2020-10-27 17:29:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:19,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:22,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3005 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:29:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 17:29:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:22,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:22,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:22,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:29:22,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:22,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:29:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 17:29:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:29:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:22,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 17:29:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:22,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:22,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:22,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:22,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-27 17:29:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 132 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 17:29:23,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906026883] [2020-10-27 17:29:23,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:23,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:23,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693869099] [2020-10-27 17:29:23,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:23,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:23,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:23,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:23,009 INFO L87 Difference]: Start difference. First operand 1908 states and 2562 transitions. Second operand 7 states. [2020-10-27 17:29:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:25,893 INFO L93 Difference]: Finished difference Result 4297 states and 6013 transitions. [2020-10-27 17:29:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 17:29:25,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-27 17:29:25,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:25,906 INFO L225 Difference]: With dead ends: 4297 [2020-10-27 17:29:25,907 INFO L226 Difference]: Without dead ends: 1948 [2020-10-27 17:29:25,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:29:25,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2020-10-27 17:29:25,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1906. [2020-10-27 17:29:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1906 states. [2020-10-27 17:29:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2462 transitions. [2020-10-27 17:29:25,999 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2462 transitions. Word has length 231 [2020-10-27 17:29:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:25,999 INFO L481 AbstractCegarLoop]: Abstraction has 1906 states and 2462 transitions. [2020-10-27 17:29:25,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2462 transitions. [2020-10-27 17:29:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-27 17:29:26,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:26,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:26,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:29:26,007 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:26,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1556794328, now seen corresponding path program 1 times [2020-10-27 17:29:26,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:26,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745952757] [2020-10-27 17:29:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:26,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-27 17:29:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1608 [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:27,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:27,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:27,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:27,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:27,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:29:27,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 17:29:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 17:29:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 17:29:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:27,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:28,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745952757] [2020-10-27 17:29:28,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:28,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:28,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768357962] [2020-10-27 17:29:28,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:28,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:28,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:28,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:28,173 INFO L87 Difference]: Start difference. First operand 1906 states and 2462 transitions. Second operand 7 states. [2020-10-27 17:29:31,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:31,245 INFO L93 Difference]: Finished difference Result 4458 states and 5922 transitions. [2020-10-27 17:29:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:29:31,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-27 17:29:31,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:31,262 INFO L225 Difference]: With dead ends: 4458 [2020-10-27 17:29:31,262 INFO L226 Difference]: Without dead ends: 2844 [2020-10-27 17:29:31,267 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 [2020-10-27 17:29:31,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-10-27 17:29:31,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2790. [2020-10-27 17:29:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2020-10-27 17:29:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3530 transitions. [2020-10-27 17:29:31,361 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3530 transitions. Word has length 235 [2020-10-27 17:29:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:31,361 INFO L481 AbstractCegarLoop]: Abstraction has 2790 states and 3530 transitions. [2020-10-27 17:29:31,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3530 transitions. [2020-10-27 17:29:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 17:29:31,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:31,371 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:31,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:29:31,372 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:31,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:31,372 INFO L82 PathProgramCache]: Analyzing trace with hash 109374668, now seen corresponding path program 1 times [2020-10-27 17:29:31,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:31,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9207866] [2020-10-27 17:29:31,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:31,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:32,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:32,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 17:29:32,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1291 [2020-10-27 17:29:32,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 17:29:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:32,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:29:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:32,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:32,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 17:29:32,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:32,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 17:29:32,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 17:29:32,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 17:29:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:33,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:33,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:33,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 17:29:33,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:33,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9207866] [2020-10-27 17:29:33,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:33,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:33,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152050898] [2020-10-27 17:29:33,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:33,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:33,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:33,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:33,412 INFO L87 Difference]: Start difference. First operand 2790 states and 3530 transitions. Second operand 7 states. [2020-10-27 17:29:36,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:36,644 INFO L93 Difference]: Finished difference Result 5442 states and 7413 transitions. [2020-10-27 17:29:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:29:36,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-27 17:29:36,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:36,668 INFO L225 Difference]: With dead ends: 5442 [2020-10-27 17:29:36,669 INFO L226 Difference]: Without dead ends: 3524 [2020-10-27 17:29:36,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:29:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2020-10-27 17:29:36,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3241. [2020-10-27 17:29:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3241 states. [2020-10-27 17:29:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 4059 transitions. [2020-10-27 17:29:36,818 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 4059 transitions. Word has length 241 [2020-10-27 17:29:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:36,819 INFO L481 AbstractCegarLoop]: Abstraction has 3241 states and 4059 transitions. [2020-10-27 17:29:36,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 4059 transitions. [2020-10-27 17:29:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-27 17:29:36,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:36,831 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:36,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:29:36,832 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1808519876, now seen corresponding path program 1 times [2020-10-27 17:29:36,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:36,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665067855] [2020-10-27 17:29:36,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:37,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:38,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:38,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-27 17:29:38,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1614 [2020-10-27 17:29:38,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 17:29:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:38,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:38,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:38,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:38,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:38,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:38,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 17:29:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 17:29:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 17:29:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 17:29:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:38,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:38,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:38,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:38,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 17:29:38,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:39,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665067855] [2020-10-27 17:29:39,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:39,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:39,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914381719] [2020-10-27 17:29:39,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:39,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:39,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:39,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:39,046 INFO L87 Difference]: Start difference. First operand 3241 states and 4059 transitions. Second operand 7 states. [2020-10-27 17:29:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:41,850 INFO L93 Difference]: Finished difference Result 5861 states and 7616 transitions. [2020-10-27 17:29:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:29:41,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-27 17:29:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:41,872 INFO L225 Difference]: With dead ends: 5861 [2020-10-27 17:29:41,872 INFO L226 Difference]: Without dead ends: 3502 [2020-10-27 17:29:41,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:29:41,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2020-10-27 17:29:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3396. [2020-10-27 17:29:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3396 states. [2020-10-27 17:29:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 4232 transitions. [2020-10-27 17:29:42,007 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 4232 transitions. Word has length 245 [2020-10-27 17:29:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:42,007 INFO L481 AbstractCegarLoop]: Abstraction has 3396 states and 4232 transitions. [2020-10-27 17:29:42,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 4232 transitions. [2020-10-27 17:29:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-27 17:29:42,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:42,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:42,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:29:42,019 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash -275910096, now seen corresponding path program 1 times [2020-10-27 17:29:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:42,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216968045] [2020-10-27 17:29:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:42,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:43,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:43,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-27 17:29:43,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:43,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-10-27 17:29:43,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 17:29:43,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:43,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:43,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:43,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:43,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:43,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:43,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:43,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:43,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 17:29:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 17:29:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:43,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 17:29:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:43,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:29:43,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 211 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:43,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216968045] [2020-10-27 17:29:43,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:43,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:43,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579790490] [2020-10-27 17:29:43,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:43,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:43,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:43,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:43,978 INFO L87 Difference]: Start difference. First operand 3396 states and 4232 transitions. Second operand 7 states. [2020-10-27 17:29:46,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:46,786 INFO L93 Difference]: Finished difference Result 6932 states and 9043 transitions. [2020-10-27 17:29:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:29:46,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-10-27 17:29:46,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:46,812 INFO L225 Difference]: With dead ends: 6932 [2020-10-27 17:29:46,812 INFO L226 Difference]: Without dead ends: 4414 [2020-10-27 17:29:46,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:29:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4414 states. [2020-10-27 17:29:47,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4414 to 4173. [2020-10-27 17:29:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4173 states. [2020-10-27 17:29:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5259 transitions. [2020-10-27 17:29:47,019 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5259 transitions. Word has length 246 [2020-10-27 17:29:47,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:47,020 INFO L481 AbstractCegarLoop]: Abstraction has 4173 states and 5259 transitions. [2020-10-27 17:29:47,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5259 transitions. [2020-10-27 17:29:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-27 17:29:47,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:47,038 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:47,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:29:47,039 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:47,039 INFO L82 PathProgramCache]: Analyzing trace with hash 706110392, now seen corresponding path program 1 times [2020-10-27 17:29:47,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:47,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338284276] [2020-10-27 17:29:47,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 17:29:49,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2517 [2020-10-27 17:29:49,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:29:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-27 17:29:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 17:29:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 17:29:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 17:29:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:50,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338284276] [2020-10-27 17:29:50,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:50,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:29:50,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619795866] [2020-10-27 17:29:50,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:29:50,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:50,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:29:50,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:29:50,114 INFO L87 Difference]: Start difference. First operand 4173 states and 5259 transitions. Second operand 8 states. [2020-10-27 17:29:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:53,009 INFO L93 Difference]: Finished difference Result 8948 states and 11611 transitions. [2020-10-27 17:29:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:29:53,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 251 [2020-10-27 17:29:53,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:53,039 INFO L225 Difference]: With dead ends: 8948 [2020-10-27 17:29:53,039 INFO L226 Difference]: Without dead ends: 5679 [2020-10-27 17:29:53,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:29:53,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5679 states. [2020-10-27 17:29:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5679 to 5067. [2020-10-27 17:29:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5067 states. [2020-10-27 17:29:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 5067 states and 6406 transitions. [2020-10-27 17:29:53,250 INFO L78 Accepts]: Start accepts. Automaton has 5067 states and 6406 transitions. Word has length 251 [2020-10-27 17:29:53,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:53,251 INFO L481 AbstractCegarLoop]: Abstraction has 5067 states and 6406 transitions. [2020-10-27 17:29:53,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:29:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 6406 transitions. [2020-10-27 17:29:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-27 17:29:53,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:53,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:53,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:29:53,274 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash 562428824, now seen corresponding path program 1 times [2020-10-27 17:29:53,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:53,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902556189] [2020-10-27 17:29:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:53,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1824 [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:29:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-27 17:29:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 17:29:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 17:29:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 17:29:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:29:55,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 17:29:55,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:29:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 17:29:55,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:55,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902556189] [2020-10-27 17:29:55,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:55,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:29:55,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746424770] [2020-10-27 17:29:55,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:29:55,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:55,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:29:55,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:29:55,664 INFO L87 Difference]: Start difference. First operand 5067 states and 6406 transitions. Second operand 8 states. [2020-10-27 17:29:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:58,239 INFO L93 Difference]: Finished difference Result 9225 states and 11598 transitions. [2020-10-27 17:29:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:29:58,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 267 [2020-10-27 17:29:58,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:58,242 INFO L225 Difference]: With dead ends: 9225 [2020-10-27 17:29:58,242 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:29:58,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:29:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:29:58,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:29:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:29:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:29:58,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2020-10-27 17:29:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:58,261 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:29:58,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:29:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:29:58,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:29:58,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:29:58,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:30:00,751 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 503 DAG size of output: 388 [2020-10-27 17:30:02,499 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 503 DAG size of output: 388 [2020-10-27 17:30:06,173 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 367 DAG size of output: 39 [2020-10-27 17:30:07,292 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-10-27 17:30:07,763 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 33 [2020-10-27 17:30:11,267 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 367 DAG size of output: 39 [2020-10-27 17:30:11,271 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:30:11,271 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:30:11,271 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:11,272 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)|)) [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:30:11,272 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:30:11,273 INFO L270 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (not (<= 0 (+ |old(~a1~0)| 600000)))) (.cse0 (not (<= 1 |old(~a10~0)|)))) (and (or (not (<= |old(~a19~0)| 8)) .cse0) (not (<= 23 |old(~a1~0)|)) (or (not (<= 10 |old(~a19~0)|)) .cse1) (or (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a10~0)| 2))) (not (= 6 |old(~a19~0)|)) (or .cse1 .cse0))) [2020-10-27 17:30:11,273 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:30:11,273 INFO L274 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-10-27 17:30:11,273 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,274 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:30:11,275 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,276 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:30:11,277 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:30:11,278 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,279 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:30:11,280 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:30:11,281 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,282 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:30:11,283 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,284 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:30:11,285 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,286 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse4 (not (<= 0 (+ |old(~a1~0)| 600000)))) (.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1)) (.cse3 (not (<= 1 |old(~a10~0)|)))) (and (or (not (= 6 |old(~a19~0)|)) (and .cse0 (= ~a19~0 6) .cse1)) (or (not (<= |old(~a19~0)| 8)) .cse2 .cse3) (or .cse2 (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a10~0)| 2))) (or (not (<= 23 |old(~a1~0)|)) .cse2) (or (not (<= 10 |old(~a19~0)|)) .cse4 .cse2) (or .cse4 .cse2 .cse3)))) [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:30:11,287 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:30:11,288 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:30:11,288 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:30:11,288 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:30:11,288 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:30:11,288 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,290 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:30:11,291 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,292 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:30:11,293 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:11,294 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 23 ~a1~0) [2020-10-27 17:30:11,294 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:30:11,294 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:11,295 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-27 17:30:11,295 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:30:11,295 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 600000))) (.cse1 (<= 9 |old(~a19~0)|)) (.cse2 (<= 1 ~a10~0))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 23 ~a1~0)) (and .cse1 (<= ~a10~0 2) (<= 2 ~a10~0)) (and .cse0 .cse1 (<= 10 ~a19~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2 (<= ~a19~0 8)) (= ~a19~0 6))) [2020-10-27 17:30:11,295 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:30:11,295 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:30:11,295 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 600000))) (.cse1 (<= 9 |old(~a19~0)|)) (.cse2 (<= 1 ~a10~0))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 23 ~a1~0)) (and .cse1 (<= ~a10~0 2) (<= 2 ~a10~0)) (and .cse0 .cse1 (<= 10 ~a19~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse1 .cse2 (<= ~a19~0 8)) (= ~a19~0 6))) [2020-10-27 17:30:11,295 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:30:11,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:30:11 BoogieIcfgContainer [2020-10-27 17:30:11,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:30:11,326 INFO L168 Benchmark]: Toolchain (without parser) took 75518.54 ms. Allocated memory was 159.4 MB in the beginning and 918.6 MB in the end (delta: 759.2 MB). Free memory was 132.8 MB in the beginning and 776.9 MB in the end (delta: -644.2 MB). Peak memory consumption was 548.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:11,327 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 159.4 MB. Free memory is still 132.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:30:11,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.56 ms. Allocated memory is still 159.4 MB. Free memory was 132.1 MB in the beginning and 105.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:11,329 INFO L168 Benchmark]: Boogie Preprocessor took 259.85 ms. Allocated memory is still 159.4 MB. Free memory was 105.5 MB in the beginning and 138.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:11,336 INFO L168 Benchmark]: RCFGBuilder took 1405.45 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 138.0 MB in the beginning and 154.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:11,339 INFO L168 Benchmark]: TraceAbstraction took 73111.37 ms. Allocated memory was 191.9 MB in the beginning and 918.6 MB in the end (delta: 726.7 MB). Free memory was 154.2 MB in the beginning and 776.9 MB in the end (delta: -622.7 MB). Peak memory consumption was 536.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:11,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 159.4 MB. Free memory is still 132.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 729.56 ms. Allocated memory is still 159.4 MB. Free memory was 132.1 MB in the beginning and 105.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 259.85 ms. Allocated memory is still 159.4 MB. Free memory was 105.5 MB in the beginning and 138.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1405.45 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 138.0 MB in the beginning and 154.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73111.37 ms. Allocated memory was 191.9 MB in the beginning and 918.6 MB in the end (delta: 726.7 MB). Free memory was 154.2 MB in the beginning and 776.9 MB in the end (delta: -622.7 MB). Peak memory consumption was 536.4 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: ((((((!(23 <= \old(a1)) || ((0 <= a1 + 600000 && 9 <= \old(a19)) && 1 <= a10)) || (9 <= \old(a19) && 23 <= a1)) || ((9 <= \old(a19) && a10 <= 2) && 2 <= a10)) || ((0 <= a1 + 600000 && 9 <= \old(a19)) && 10 <= a19)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((9 <= \old(a19) && 1 <= a10) && a19 <= 8)) || a19 == 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 32.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 465 SDtfs, 5543 SDslu, 488 SDs, 0 SdLazy, 16218 SolverSat, 1668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5067occurred 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: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1466 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 443 PreInvPairs, 567 NumberOfFragments, 379 HoareAnnotationTreeSize, 443 FomulaSimplifications, 28092033 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 422762 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 2663 NumberOfCodeBlocks, 2663 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2650 ConstructedInterpolants, 0 QuantifiedInterpolants, 2329685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1721/1927 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...