/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:40:15,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:40:15,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:40:15,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:40:15,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:40:15,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:40:15,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:40:15,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:40:15,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:40:15,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:40:15,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:40:15,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:40:15,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:40:15,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:40:15,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:40:15,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:40:15,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:40:15,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:40:15,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:40:15,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:40:15,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:40:15,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:40:15,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:40:15,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:40:15,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:40:15,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:40:15,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:40:15,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:40:15,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:40:15,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:40:15,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:40:15,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:40:15,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:40:15,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:40:15,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:40:15,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:40:15,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:40:15,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:40:15,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:40:15,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:40:15,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:40:15,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:40:15,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:40:15,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:40:15,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:40:15,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:40:15,181 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:40:15,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:40:15,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:40:15,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:40:15,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:40:15,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:40:15,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:40:15,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:40:15,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:40:15,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:40:15,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:40:15,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:40:15,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:40:15,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:40:15,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:40:15,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:40:15,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:40:15,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:40:15,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:40:15,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:40:15,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:40:15,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:40:15,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:40:15,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:40:15,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:40:15,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:40:15,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:40:15,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:40:15,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:40:15,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:40:15,684 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:40:15,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-10-29 06:40:15,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4077090/f7e27fba080c479cafca6daf5a2be7fd/FLAG7259d72a9 [2020-10-29 06:40:16,650 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:40:16,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-10-29 06:40:16,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4077090/f7e27fba080c479cafca6daf5a2be7fd/FLAG7259d72a9 [2020-10-29 06:40:16,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e4077090/f7e27fba080c479cafca6daf5a2be7fd [2020-10-29 06:40:16,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:40:16,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:40:16,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:16,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:40:16,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:40:16,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:16" (1/1) ... [2020-10-29 06:40:16,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b3cc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:16, skipping insertion in model container [2020-10-29 06:40:16,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:16" (1/1) ... [2020-10-29 06:40:16,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:40:16,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:40:17,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:17,485 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:40:17,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:17,619 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:40:17,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17 WrapperNode [2020-10-29 06:40:17,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:17,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:40:17,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:40:17,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:40:17,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... [2020-10-29 06:40:17,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:40:17,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:40:17,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:40:17,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:40:17,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:40:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:40:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:40:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:40:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:40:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:40:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:40:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:40:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:40:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:40:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:40:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:40:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:40:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:40:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:40:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:40:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:40:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:40:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:40:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:40:19,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:40:19,319 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:40:19,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:19 BoogieIcfgContainer [2020-10-29 06:40:19,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:40:19,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:40:19,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:40:19,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:40:19,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:40:16" (1/3) ... [2020-10-29 06:40:19,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b74b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:19, skipping insertion in model container [2020-10-29 06:40:19,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:17" (2/3) ... [2020-10-29 06:40:19,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b74b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:19, skipping insertion in model container [2020-10-29 06:40:19,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:19" (3/3) ... [2020-10-29 06:40:19,331 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label36.c [2020-10-29 06:40:19,344 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:40:19,350 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:40:19,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:40:19,395 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:40:19,395 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:40:19,395 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:40:19,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:40:19,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:40:19,396 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:40:19,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:40:19,396 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:40:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:40:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-29 06:40:19,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:19,429 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] [2020-10-29 06:40:19,430 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:19,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:19,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1396504636, now seen corresponding path program 1 times [2020-10-29 06:40:19,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:19,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347515956] [2020-10-29 06:40:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:19,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 06:40:20,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-29 06:40:20,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:20,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:20,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 06:40:20,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:40:20,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:20,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:20,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:20,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:20,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 06:40:20,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:20,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:40:20,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347515956] [2020-10-29 06:40:20,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:40:20,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:40:20,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347855649] [2020-10-29 06:40:20,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:40:20,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:20,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:40:20,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:40:20,414 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:40:22,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:22,189 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-29 06:40:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:22,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-10-29 06:40:22,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:22,206 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:40:22,206 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:40:22,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:22,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:40:22,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-29 06:40:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:40:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-29 06:40:22,295 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 46 [2020-10-29 06:40:22,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:22,297 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-29 06:40:22,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:40:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-29 06:40:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-29 06:40:22,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:22,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:22,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:40:22,308 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:22,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1786879140, now seen corresponding path program 1 times [2020-10-29 06:40:22,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:22,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481226491] [2020-10-29 06:40:22,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:22,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:22,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 06:40:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1347 [2020-10-29 06:40:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:40:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:40:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 06:40:23,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:23,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:23,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:40:24,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 06:40:24,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:40:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:40:24,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481226491] [2020-10-29 06:40:24,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:24,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:24,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662476113] [2020-10-29 06:40:24,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:40:24,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:24,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:40:24,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:24,172 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 6 states. [2020-10-29 06:40:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:25,980 INFO L93 Difference]: Finished difference Result 900 states and 1321 transitions. [2020-10-29 06:40:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:40:25,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2020-10-29 06:40:25,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:25,994 INFO L225 Difference]: With dead ends: 900 [2020-10-29 06:40:25,995 INFO L226 Difference]: Without dead ends: 609 [2020-10-29 06:40:25,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:26,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2020-10-29 06:40:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2020-10-29 06:40:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-29 06:40:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 765 transitions. [2020-10-29 06:40:26,092 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 765 transitions. Word has length 118 [2020-10-29 06:40:26,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:26,095 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 765 transitions. [2020-10-29 06:40:26,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:40:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 765 transitions. [2020-10-29 06:40:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 06:40:26,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:26,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:26,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:40:26,112 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:26,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:26,113 INFO L82 PathProgramCache]: Analyzing trace with hash 138490984, now seen corresponding path program 1 times [2020-10-29 06:40:26,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:26,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155532846] [2020-10-29 06:40:26,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:26,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:40:26,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 532 [2020-10-29 06:40:26,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:26,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:40:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 06:40:26,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:26,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:26,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:26,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:26,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:40:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:26,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:26,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:26,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:26,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:40:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:40:27,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155532846] [2020-10-29 06:40:27,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:27,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:27,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525513143] [2020-10-29 06:40:27,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:27,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:27,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:27,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:27,032 INFO L87 Difference]: Start difference. First operand 595 states and 765 transitions. Second operand 5 states. [2020-10-29 06:40:28,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:28,626 INFO L93 Difference]: Finished difference Result 1484 states and 1995 transitions. [2020-10-29 06:40:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:28,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-29 06:40:28,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:28,640 INFO L225 Difference]: With dead ends: 1484 [2020-10-29 06:40:28,640 INFO L226 Difference]: Without dead ends: 895 [2020-10-29 06:40:28,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-29 06:40:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 889. [2020-10-29 06:40:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-10-29 06:40:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1150 transitions. [2020-10-29 06:40:28,681 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1150 transitions. Word has length 125 [2020-10-29 06:40:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:28,682 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1150 transitions. [2020-10-29 06:40:28,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1150 transitions. [2020-10-29 06:40:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-29 06:40:28,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:28,687 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:28,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:40:28,688 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:28,688 INFO L82 PathProgramCache]: Analyzing trace with hash 851722064, now seen corresponding path program 1 times [2020-10-29 06:40:28,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:28,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954763250] [2020-10-29 06:40:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:29,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-29 06:40:30,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:30,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1775 [2020-10-29 06:40:30,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:40:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:40:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:30,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:40:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:40:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:40:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:30,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:40:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:30,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:30,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:31,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954763250] [2020-10-29 06:40:31,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:31,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:31,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908674271] [2020-10-29 06:40:31,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:31,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:31,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:31,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:31,020 INFO L87 Difference]: Start difference. First operand 889 states and 1150 transitions. Second operand 7 states. [2020-10-29 06:40:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:33,204 INFO L93 Difference]: Finished difference Result 2094 states and 2736 transitions. [2020-10-29 06:40:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:33,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2020-10-29 06:40:33,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:33,216 INFO L225 Difference]: With dead ends: 2094 [2020-10-29 06:40:33,217 INFO L226 Difference]: Without dead ends: 915 [2020-10-29 06:40:33,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-29 06:40:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 893. [2020-10-29 06:40:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-29 06:40:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1046 transitions. [2020-10-29 06:40:33,275 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1046 transitions. Word has length 198 [2020-10-29 06:40:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:33,277 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 1046 transitions. [2020-10-29 06:40:33,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1046 transitions. [2020-10-29 06:40:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-29 06:40:33,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:33,284 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:40:33,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:40:33,285 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash -64190364, now seen corresponding path program 1 times [2020-10-29 06:40:33,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:33,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173456292] [2020-10-29 06:40:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:34,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:34,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 06:40:34,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-29 06:40:34,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:34,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:40:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 06:40:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:35,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:40:35,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:40:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 06:40:35,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:40:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:40:35,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:40:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:40:35,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:35,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-29 06:40:35,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:35,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 103 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:35,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173456292] [2020-10-29 06:40:35,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:35,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:35,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882467161] [2020-10-29 06:40:35,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:35,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:35,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:35,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:35,623 INFO L87 Difference]: Start difference. First operand 893 states and 1046 transitions. Second operand 8 states. [2020-10-29 06:40:38,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:38,106 INFO L93 Difference]: Finished difference Result 2394 states and 2853 transitions. [2020-10-29 06:40:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:40:38,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-10-29 06:40:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:38,114 INFO L225 Difference]: With dead ends: 2394 [2020-10-29 06:40:38,114 INFO L226 Difference]: Without dead ends: 1211 [2020-10-29 06:40:38,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:40:38,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-10-29 06:40:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1193. [2020-10-29 06:40:38,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-29 06:40:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1428 transitions. [2020-10-29 06:40:38,160 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1428 transitions. Word has length 206 [2020-10-29 06:40:38,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:38,160 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1428 transitions. [2020-10-29 06:40:38,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1428 transitions. [2020-10-29 06:40:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 06:40:38,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:38,165 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:38,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:40:38,166 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:38,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:38,166 INFO L82 PathProgramCache]: Analyzing trace with hash 841097108, now seen corresponding path program 1 times [2020-10-29 06:40:38,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:38,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023149200] [2020-10-29 06:40:38,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:43,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:40:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:40:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:43,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:43,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:43,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:43,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:43,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:43,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:43,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:40:43,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:43,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:40:43,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:43,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:43,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:40:43,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:43,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:40:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:43,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:43,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:43,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:40:43,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 06:40:43,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:43,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:43,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023149200] [2020-10-29 06:40:43,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:43,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:43,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262524890] [2020-10-29 06:40:43,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:43,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:43,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:43,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:43,730 INFO L87 Difference]: Start difference. First operand 1193 states and 1428 transitions. Second operand 7 states. [2020-10-29 06:40:46,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:46,145 INFO L93 Difference]: Finished difference Result 3517 states and 4642 transitions. [2020-10-29 06:40:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:46,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-29 06:40:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:46,164 INFO L225 Difference]: With dead ends: 3517 [2020-10-29 06:40:46,164 INFO L226 Difference]: Without dead ends: 2181 [2020-10-29 06:40:46,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-10-29 06:40:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1934. [2020-10-29 06:40:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2020-10-29 06:40:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2279 transitions. [2020-10-29 06:40:46,275 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2279 transitions. Word has length 223 [2020-10-29 06:40:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:46,276 INFO L481 AbstractCegarLoop]: Abstraction has 1934 states and 2279 transitions. [2020-10-29 06:40:46,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2279 transitions. [2020-10-29 06:40:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-29 06:40:46,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:46,282 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:46,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:40:46,283 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:46,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1735800144, now seen corresponding path program 1 times [2020-10-29 06:40:46,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:46,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399860273] [2020-10-29 06:40:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:46,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4381 [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:40:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:40:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:50,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:50,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:50,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:50,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:50,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:50,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:50,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:50,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:50,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:50,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:51,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:51,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:51,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:40:51,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 06:40:51,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:51,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:51,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399860273] [2020-10-29 06:40:51,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:51,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:51,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392060016] [2020-10-29 06:40:51,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:51,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:51,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:51,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:51,244 INFO L87 Difference]: Start difference. First operand 1934 states and 2279 transitions. Second operand 7 states. [2020-10-29 06:40:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:53,058 INFO L93 Difference]: Finished difference Result 4883 states and 5884 transitions. [2020-10-29 06:40:53,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:53,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-29 06:40:53,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:53,083 INFO L225 Difference]: With dead ends: 4883 [2020-10-29 06:40:53,083 INFO L226 Difference]: Without dead ends: 2955 [2020-10-29 06:40:53,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2020-10-29 06:40:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2661. [2020-10-29 06:40:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2661 states. [2020-10-29 06:40:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3208 transitions. [2020-10-29 06:40:53,180 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3208 transitions. Word has length 232 [2020-10-29 06:40:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:53,181 INFO L481 AbstractCegarLoop]: Abstraction has 2661 states and 3208 transitions. [2020-10-29 06:40:53,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3208 transitions. [2020-10-29 06:40:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-29 06:40:53,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:53,192 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:40:53,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:40:53,193 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:53,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:53,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1438684144, now seen corresponding path program 1 times [2020-10-29 06:40:53,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:53,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436251825] [2020-10-29 06:40:53,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:53,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2229 [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 06:40:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 06:40:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:55,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:55,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:40:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:55,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:55,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:55,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-29 06:40:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:55,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:56,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:56,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:56,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 06:40:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:40:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 173 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:56,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436251825] [2020-10-29 06:40:56,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:56,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:56,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578181219] [2020-10-29 06:40:56,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:56,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:56,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:56,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:56,568 INFO L87 Difference]: Start difference. First operand 2661 states and 3208 transitions. Second operand 8 states. [2020-10-29 06:40:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:58,923 INFO L93 Difference]: Finished difference Result 3719 states and 4531 transitions. [2020-10-29 06:40:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:58,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 302 [2020-10-29 06:40:58,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:58,946 INFO L225 Difference]: With dead ends: 3719 [2020-10-29 06:40:58,947 INFO L226 Difference]: Without dead ends: 3553 [2020-10-29 06:40:58,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:40:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2020-10-29 06:40:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3253. [2020-10-29 06:40:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3253 states. [2020-10-29 06:40:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 4011 transitions. [2020-10-29 06:40:59,052 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 4011 transitions. Word has length 302 [2020-10-29 06:40:59,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:59,053 INFO L481 AbstractCegarLoop]: Abstraction has 3253 states and 4011 transitions. [2020-10-29 06:40:59,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 4011 transitions. [2020-10-29 06:40:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-29 06:40:59,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:59,066 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:59,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:40:59,066 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:59,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:59,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1871667052, now seen corresponding path program 1 times [2020-10-29 06:40:59,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:59,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352426098] [2020-10-29 06:40:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-29 06:41:01,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2471 [2020-10-29 06:41:01,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 06:41:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:01,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:01,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:01,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:01,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:01,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:01,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:01,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:01,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:01,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:01,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:01,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 06:41:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 06:41:01,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:01,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:41:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-29 06:41:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:02,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:02,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:41:02,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:02,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 185 proven. 89 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-29 06:41:02,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352426098] [2020-10-29 06:41:02,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:02,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:02,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387848487] [2020-10-29 06:41:02,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:02,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:02,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:02,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:02,291 INFO L87 Difference]: Start difference. First operand 3253 states and 4011 transitions. Second operand 7 states. [2020-10-29 06:41:04,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:04,211 INFO L93 Difference]: Finished difference Result 6520 states and 8061 transitions. [2020-10-29 06:41:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:41:04,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 327 [2020-10-29 06:41:04,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:04,230 INFO L225 Difference]: With dead ends: 6520 [2020-10-29 06:41:04,230 INFO L226 Difference]: Without dead ends: 3273 [2020-10-29 06:41:04,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2020-10-29 06:41:04,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2967. [2020-10-29 06:41:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-29 06:41:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3466 transitions. [2020-10-29 06:41:04,321 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3466 transitions. Word has length 327 [2020-10-29 06:41:04,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:04,322 INFO L481 AbstractCegarLoop]: Abstraction has 2967 states and 3466 transitions. [2020-10-29 06:41:04,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3466 transitions. [2020-10-29 06:41:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-29 06:41:04,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:04,332 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:41:04,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:41:04,332 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:04,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:04,333 INFO L82 PathProgramCache]: Analyzing trace with hash -976493880, now seen corresponding path program 1 times [2020-10-29 06:41:04,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:04,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777260835] [2020-10-29 06:41:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:05,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:41:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:09,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:41:09,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:09,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:09,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:41:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:09,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:41:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:41:09,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 06:41:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-29 06:41:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:10,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-29 06:41:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:10,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 06:41:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 114 proven. 176 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-29 06:41:10,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777260835] [2020-10-29 06:41:10,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:10,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:10,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778028736] [2020-10-29 06:41:10,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:10,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:10,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:10,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:10,187 INFO L87 Difference]: Start difference. First operand 2967 states and 3466 transitions. Second operand 7 states. [2020-10-29 06:41:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:11,900 INFO L93 Difference]: Finished difference Result 6085 states and 7099 transitions. [2020-10-29 06:41:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:11,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-29 06:41:11,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:11,916 INFO L225 Difference]: With dead ends: 6085 [2020-10-29 06:41:11,917 INFO L226 Difference]: Without dead ends: 3124 [2020-10-29 06:41:11,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:41:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2020-10-29 06:41:12,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3114. [2020-10-29 06:41:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-29 06:41:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3622 transitions. [2020-10-29 06:41:12,013 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3622 transitions. Word has length 333 [2020-10-29 06:41:12,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:12,014 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 3622 transitions. [2020-10-29 06:41:12,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3622 transitions. [2020-10-29 06:41:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-29 06:41:12,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:12,025 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:12,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:41:12,025 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:12,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:12,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1097692852, now seen corresponding path program 1 times [2020-10-29 06:41:12,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:12,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533772492] [2020-10-29 06:41:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:12,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-29 06:41:12,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 06:41:12,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:13,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:41:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:13,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:13,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:41:13,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 06:41:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:41:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-29 06:41:13,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533772492] [2020-10-29 06:41:13,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:13,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:13,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169541764] [2020-10-29 06:41:13,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:13,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:13,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:13,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:13,430 INFO L87 Difference]: Start difference. First operand 3114 states and 3622 transitions. Second operand 5 states. [2020-10-29 06:41:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:14,790 INFO L93 Difference]: Finished difference Result 3120 states and 3628 transitions. [2020-10-29 06:41:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:14,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 360 [2020-10-29 06:41:14,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:14,793 INFO L225 Difference]: With dead ends: 3120 [2020-10-29 06:41:14,793 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:41:14,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:14,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:41:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:41:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:41:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:41:14,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 360 [2020-10-29 06:41:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:14,800 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:41:14,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:41:14,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:41:14,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:41:14,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:41:15,567 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 124 [2020-10-29 06:41:16,379 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 124 [2020-10-29 06:41:17,038 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-10-29 06:41:17,721 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 34 [2020-10-29 06:41:17,990 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 24 [2020-10-29 06:41:18,543 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-10-29 06:41:18,549 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:41:18,549 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:41:18,549 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:41:18,550 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:41:18,551 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:41:18,551 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:41:18,551 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:41:18,551 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:41:18,553 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:41:18,553 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:41:18,553 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:41:18,554 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,555 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:41:18,556 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,557 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:41:18,558 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:41:18,559 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,560 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:41:18,561 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:41:18,562 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,563 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:41:18,564 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L270 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8)))) (and (or .cse0 (= 4 |old(~a10~0)|)) (or .cse0 (not (<= (+ |old(~a1~0)| 75821) 0))) (not (= 9 |old(~a19~0)|)) (not (= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 1)))) [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:41:18,565 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:41:18,566 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 (= 4 |old(~a10~0)|)) (or .cse0 .cse1 (not (<= (+ |old(~a1~0)| 75821) 0))) (or (not (= 9 |old(~a19~0)|)) .cse1) (or .cse1 (not (= 8 |old(~a19~0)|))) (or .cse1 (not (<= |old(~a10~0)| 1))))) [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:41:18,567 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:41:18,568 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:41:18,569 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:41:18,570 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,571 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,572 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:18,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:18,572 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-29 06:41:18,572 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:41:18,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:18,572 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-29 06:41:18,572 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:18,572 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a19~0 8) (not (= 9 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (and (not (= ~a10~0 4)) .cse0) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:41:18,573 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:41:18,573 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:41:18,573 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a19~0 8) (not (= 9 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (and (not (= ~a10~0 4)) .cse0) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:41:18,573 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:18,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:41:18 BoogieIcfgContainer [2020-10-29 06:41:18,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:41:18,597 INFO L168 Benchmark]: Toolchain (without parser) took 61740.65 ms. Allocated memory was 168.8 MB in the beginning and 1.1 GB in the end (delta: 887.1 MB). Free memory was 142.5 MB in the beginning and 779.1 MB in the end (delta: -636.6 MB). Peak memory consumption was 525.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:18,600 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 73.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:41:18,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.00 ms. Allocated memory is still 168.8 MB. Free memory was 141.8 MB in the beginning and 145.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:18,605 INFO L168 Benchmark]: Boogie Preprocessor took 150.10 ms. Allocated memory is still 168.8 MB. Free memory was 145.9 MB in the beginning and 141.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:18,606 INFO L168 Benchmark]: RCFGBuilder took 1549.07 ms. Allocated memory is still 168.8 MB. Free memory was 141.4 MB in the beginning and 132.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:18,613 INFO L168 Benchmark]: TraceAbstraction took 59270.90 ms. Allocated memory was 168.8 MB in the beginning and 1.1 GB in the end (delta: 887.1 MB). Free memory was 132.1 MB in the beginning and 779.1 MB in the end (delta: -647.0 MB). Peak memory consumption was 515.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:18,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 73.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 755.00 ms. Allocated memory is still 168.8 MB. Free memory was 141.8 MB in the beginning and 145.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 150.10 ms. Allocated memory is still 168.8 MB. Free memory was 145.9 MB in the beginning and 141.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1549.07 ms. Allocated memory is still 168.8 MB. Free memory was 141.4 MB in the beginning and 132.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 59270.90 ms. Allocated memory was 168.8 MB in the beginning and 1.1 GB in the end (delta: 887.1 MB). Free memory was 132.1 MB in the beginning and 779.1 MB in the end (delta: -647.0 MB). Peak memory consumption was 515.3 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: ((((((a19 == 8 || !(9 == \old(a19))) || (a19 <= 8 && a1 + 75821 <= 0)) || a19 == 9) || !(0 == \old(a10))) || a10 <= 1) || (!(a10 == 4) && a19 <= 8)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 4704 SDslu, 398 SDs, 0 SdLazy, 9484 SolverSat, 1245 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3253occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1223 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 239 PreInvPairs, 295 NumberOfFragments, 291 HoareAnnotationTreeSize, 239 FomulaSimplifications, 1245132 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 62833 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.1s InterpolantComputationTime, 2470 NumberOfCodeBlocks, 2470 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1629/1998 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...