/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:08:10,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:08:10,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:08:10,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:08:10,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:08:10,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:08:10,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:08:10,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:08:10,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:08:10,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:08:10,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:08:10,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:08:10,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:08:10,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:08:10,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:08:10,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:08:10,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:08:10,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:08:10,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:08:10,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:08:10,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:08:10,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:08:10,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:08:10,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:08:10,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:08:10,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:08:10,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:08:10,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:08:10,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:08:10,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:08:10,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:08:10,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:08:10,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:08:10,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:08:10,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:08:10,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:08:10,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:08:10,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:08:10,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:08:10,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:08:10,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:08:10,129 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 [2020-10-28 12:08:10,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:08:10,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:08:10,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:08:10,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:08:10,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:08:10,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:08:10,206 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:08:10,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:08:10,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:08:10,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:08:10,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:08:10,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:08:10,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:08:10,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:08:10,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:08:10,209 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:08:10,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:08:10,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:08:10,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:08:10,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:08:10,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:08:10,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:08:10,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:08:10,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:08:10,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:08:10,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:08:10,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:08:10,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:08:10,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:08:10,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:08:10,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:08:10,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:08:10,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:08:10,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:08:10,728 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:08:10,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-28 12:08:10,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c67aa036/c834c510b8b0480895dd6925b9c14152/FLAG8ae63ac8d [2020-10-28 12:08:11,696 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:08:11,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label37.c [2020-10-28 12:08:11,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c67aa036/c834c510b8b0480895dd6925b9c14152/FLAG8ae63ac8d [2020-10-28 12:08:11,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c67aa036/c834c510b8b0480895dd6925b9c14152 [2020-10-28 12:08:11,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:08:11,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:08:11,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:08:11,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:08:11,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:08:11,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:08:11" (1/1) ... [2020-10-28 12:08:11,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132a9d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:11, skipping insertion in model container [2020-10-28 12:08:11,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:08:11" (1/1) ... [2020-10-28 12:08:11,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:08:12,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:08:12,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:08:12,723 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:08:12,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:08:12,908 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:08:12,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12 WrapperNode [2020-10-28 12:08:12,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:08:12,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:08:12,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:08:12,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:08:12,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:12,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:12,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:12,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:13,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:13,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:13,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (1/1) ... [2020-10-28 12:08:13,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:08:13,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:08:13,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:08:13,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:08:13,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (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 [2020-10-28 12:08:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:08:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:08:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:08:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:08:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:08:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:08:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:08:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:08:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:08:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:08:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:08:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:08:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:08:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:08:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:08:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:08:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:08:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:08:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:08:15,325 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:08:15,325 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:08:15,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:08:15 BoogieIcfgContainer [2020-10-28 12:08:15,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:08:15,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:08:15,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:08:15,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:08:15,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:08:11" (1/3) ... [2020-10-28 12:08:15,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:08:15, skipping insertion in model container [2020-10-28 12:08:15,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:12" (2/3) ... [2020-10-28 12:08:15,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:08:15, skipping insertion in model container [2020-10-28 12:08:15,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:08:15" (3/3) ... [2020-10-28 12:08:15,345 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-10-28 12:08:15,360 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:08:15,368 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:08:15,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:08:15,437 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:08:15,437 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:08:15,438 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:08:15,438 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:08:15,438 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:08:15,438 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:08:15,439 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:08:15,439 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:08:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-28 12:08:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 12:08:15,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:15,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:15,499 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1733680320, now seen corresponding path program 1 times [2020-10-28 12:08:15,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:15,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129309806] [2020-10-28 12:08:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:16,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:16,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 12:08:16,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-10-28 12:08:16,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:16,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:16,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 12:08:16,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 12:08:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:16,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:16,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:16,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:08:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:16,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:16,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129309806] [2020-10-28 12:08:16,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:16,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:08:16,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283907935] [2020-10-28 12:08:16,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:08:16,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:16,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:08:16,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:08:16,964 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-28 12:08:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:20,314 INFO L93 Difference]: Finished difference Result 804 states and 1407 transitions. [2020-10-28 12:08:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:20,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-10-28 12:08:20,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:20,336 INFO L225 Difference]: With dead ends: 804 [2020-10-28 12:08:20,336 INFO L226 Difference]: Without dead ends: 444 [2020-10-28 12:08:20,347 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 [2020-10-28 12:08:20,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-28 12:08:20,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2020-10-28 12:08:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-28 12:08:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2020-10-28 12:08:20,444 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 56 [2020-10-28 12:08:20,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:20,445 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2020-10-28 12:08:20,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:08:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2020-10-28 12:08:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 12:08:20,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:20,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:20,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:08:20,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:20,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -884368352, now seen corresponding path program 1 times [2020-10-28 12:08:20,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:20,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756934125] [2020-10-28 12:08:20,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:20,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:21,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:08:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1740 [2020-10-28 12:08:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:22,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-10-28 12:08:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:22,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:22,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:22,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:22,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:08:22,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:22,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:22,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:22,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:22,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:22,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:08:22,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-28 12:08:22,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:22,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:22,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:22,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 12:08:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:22,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756934125] [2020-10-28 12:08:22,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:22,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:08:22,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114482420] [2020-10-28 12:08:22,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:22,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:22,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:22,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:22,802 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand 7 states. [2020-10-28 12:08:26,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:26,328 INFO L93 Difference]: Finished difference Result 1264 states and 1941 transitions. [2020-10-28 12:08:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:08:26,329 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-10-28 12:08:26,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:26,339 INFO L225 Difference]: With dead ends: 1264 [2020-10-28 12:08:26,339 INFO L226 Difference]: Without dead ends: 840 [2020-10-28 12:08:26,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:08:26,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-10-28 12:08:26,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 820. [2020-10-28 12:08:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-10-28 12:08:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1124 transitions. [2020-10-28 12:08:26,398 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1124 transitions. Word has length 126 [2020-10-28 12:08:26,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:26,398 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 1124 transitions. [2020-10-28 12:08:26,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1124 transitions. [2020-10-28 12:08:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-28 12:08:26,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:26,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:26,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:08:26,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:26,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:26,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1554753816, now seen corresponding path program 1 times [2020-10-28 12:08:26,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:26,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81028954] [2020-10-28 12:08:26,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:26,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:26,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:28,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:28,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 12:08:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:08:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2220 [2020-10-28 12:08:28,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:28,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:08:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:28,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:28,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:28,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:28,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:28,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 12:08:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:28,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:28,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:29,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:29,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:08:29,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:29,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 12:08:29,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:29,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:08:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:29,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81028954] [2020-10-28 12:08:29,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:29,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:08:29,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587979] [2020-10-28 12:08:29,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:29,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:29,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:29,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:29,229 INFO L87 Difference]: Start difference. First operand 820 states and 1124 transitions. Second operand 7 states. [2020-10-28 12:08:32,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:32,475 INFO L93 Difference]: Finished difference Result 2033 states and 2754 transitions. [2020-10-28 12:08:32,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:08:32,476 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2020-10-28 12:08:32,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:32,485 INFO L225 Difference]: With dead ends: 2033 [2020-10-28 12:08:32,486 INFO L226 Difference]: Without dead ends: 1219 [2020-10-28 12:08:32,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:08:32,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2020-10-28 12:08:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1204. [2020-10-28 12:08:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-28 12:08:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1542 transitions. [2020-10-28 12:08:32,540 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1542 transitions. Word has length 130 [2020-10-28 12:08:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:32,540 INFO L481 AbstractCegarLoop]: Abstraction has 1204 states and 1542 transitions. [2020-10-28 12:08:32,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1542 transitions. [2020-10-28 12:08:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 12:08:32,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:32,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:32,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:08:32,545 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:32,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1943798986, now seen corresponding path program 1 times [2020-10-28 12:08:32,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:32,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376533589] [2020-10-28 12:08:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:32,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:33,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 12:08:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-10-28 12:08:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:33,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:08:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 12:08:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:33,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:33,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:33,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:33,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:33,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:33,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:34,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:34,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:08:34,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 12:08:34,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:34,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:34,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:08:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:34,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376533589] [2020-10-28 12:08:34,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:34,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:34,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853248432] [2020-10-28 12:08:34,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:34,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:34,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:34,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:34,115 INFO L87 Difference]: Start difference. First operand 1204 states and 1542 transitions. Second operand 5 states. [2020-10-28 12:08:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:36,779 INFO L93 Difference]: Finished difference Result 2412 states and 3176 transitions. [2020-10-28 12:08:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:36,780 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-28 12:08:36,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:36,790 INFO L225 Difference]: With dead ends: 2412 [2020-10-28 12:08:36,790 INFO L226 Difference]: Without dead ends: 1592 [2020-10-28 12:08:36,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-10-28 12:08:36,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1590. [2020-10-28 12:08:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1590 states. [2020-10-28 12:08:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2033 transitions. [2020-10-28 12:08:36,848 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2033 transitions. Word has length 172 [2020-10-28 12:08:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:36,849 INFO L481 AbstractCegarLoop]: Abstraction has 1590 states and 2033 transitions. [2020-10-28 12:08:36,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2033 transitions. [2020-10-28 12:08:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-28 12:08:36,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:36,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:36,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:08:36,852 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:36,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:36,853 INFO L82 PathProgramCache]: Analyzing trace with hash -257964525, now seen corresponding path program 1 times [2020-10-28 12:08:36,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:36,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200172688] [2020-10-28 12:08:36,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:36,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:37,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:37,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 12:08:37,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 12:08:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:37,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:37,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:08:37,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:37,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:37,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:37,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:08:37,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:37,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:08:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:37,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200172688] [2020-10-28 12:08:37,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:37,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:08:37,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192306855] [2020-10-28 12:08:37,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:08:37,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:37,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:08:37,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:37,736 INFO L87 Difference]: Start difference. First operand 1590 states and 2033 transitions. Second operand 6 states. [2020-10-28 12:08:40,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:40,610 INFO L93 Difference]: Finished difference Result 2798 states and 3658 transitions. [2020-10-28 12:08:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:40,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2020-10-28 12:08:40,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:40,625 INFO L225 Difference]: With dead ends: 2798 [2020-10-28 12:08:40,625 INFO L226 Difference]: Without dead ends: 1592 [2020-10-28 12:08:40,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:40,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-10-28 12:08:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1590. [2020-10-28 12:08:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1590 states. [2020-10-28 12:08:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 1948 transitions. [2020-10-28 12:08:40,703 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 1948 transitions. Word has length 187 [2020-10-28 12:08:40,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:40,705 INFO L481 AbstractCegarLoop]: Abstraction has 1590 states and 1948 transitions. [2020-10-28 12:08:40,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:08:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1948 transitions. [2020-10-28 12:08:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 12:08:40,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:40,710 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:40,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:08:40,711 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:40,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1272326770, now seen corresponding path program 1 times [2020-10-28 12:08:40,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:40,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840512644] [2020-10-28 12:08:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:43,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2652 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:08:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 12:08:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:43,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:43,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:43,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:43,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:08:43,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:43,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:43,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:43,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:43,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:08:43,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:43,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-28 12:08:43,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:43,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:08:43,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:43,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:08:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:43,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:44,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 12:08:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 12:08:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:44,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:08:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:08:44,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840512644] [2020-10-28 12:08:44,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:44,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:08:44,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204755609] [2020-10-28 12:08:44,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:44,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:44,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:44,426 INFO L87 Difference]: Start difference. First operand 1590 states and 1948 transitions. Second operand 7 states. [2020-10-28 12:08:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:47,466 INFO L93 Difference]: Finished difference Result 3201 states and 4043 transitions. [2020-10-28 12:08:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:08:47,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-10-28 12:08:47,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:47,481 INFO L225 Difference]: With dead ends: 3201 [2020-10-28 12:08:47,481 INFO L226 Difference]: Without dead ends: 1995 [2020-10-28 12:08:47,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:08:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2020-10-28 12:08:47,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1798. [2020-10-28 12:08:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1798 states. [2020-10-28 12:08:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2195 transitions. [2020-10-28 12:08:47,544 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2195 transitions. Word has length 246 [2020-10-28 12:08:47,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:47,545 INFO L481 AbstractCegarLoop]: Abstraction has 1798 states and 2195 transitions. [2020-10-28 12:08:47,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2195 transitions. [2020-10-28 12:08:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-28 12:08:47,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:47,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:47,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:08:47,551 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:47,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1186775674, now seen corresponding path program 1 times [2020-10-28 12:08:47,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:47,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239487145] [2020-10-28 12:08:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:47,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:47,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:49,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-28 12:08:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-28 12:08:49,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:49,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 12:08:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 12:08:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:49,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:49,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:49,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:49,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:08:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:49,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:08:49,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 12:08:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:49,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:08:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-28 12:08:49,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239487145] [2020-10-28 12:08:49,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:49,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:49,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606782444] [2020-10-28 12:08:49,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:49,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:49,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:49,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:49,650 INFO L87 Difference]: Start difference. First operand 1798 states and 2195 transitions. Second operand 5 states. [2020-10-28 12:08:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:52,895 INFO L93 Difference]: Finished difference Result 3803 states and 4822 transitions. [2020-10-28 12:08:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:52,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2020-10-28 12:08:52,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:52,912 INFO L225 Difference]: With dead ends: 3803 [2020-10-28 12:08:52,913 INFO L226 Difference]: Without dead ends: 2389 [2020-10-28 12:08:52,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2020-10-28 12:08:52,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2184. [2020-10-28 12:08:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2184 states. [2020-10-28 12:08:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 2666 transitions. [2020-10-28 12:08:52,985 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 2666 transitions. Word has length 256 [2020-10-28 12:08:52,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:52,986 INFO L481 AbstractCegarLoop]: Abstraction has 2184 states and 2666 transitions. [2020-10-28 12:08:52,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2666 transitions. [2020-10-28 12:08:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-28 12:08:52,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:52,992 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:52,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:08:52,993 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:52,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:52,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1496917778, now seen corresponding path program 1 times [2020-10-28 12:08:52,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:52,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253497150] [2020-10-28 12:08:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:55,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:55,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-28 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2886 [2020-10-28 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:08:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-28 12:08:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:56,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:56,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:08:56,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 12:08:56,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:56,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:08:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:08:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:56,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:56,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:56,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 12:08:56,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-28 12:08:56,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:56,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:08:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-28 12:08:56,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253497150] [2020-10-28 12:08:56,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:56,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:08:56,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528881779] [2020-10-28 12:08:56,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:08:56,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:56,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:08:56,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:56,720 INFO L87 Difference]: Start difference. First operand 2184 states and 2666 transitions. Second operand 6 states. [2020-10-28 12:09:00,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:00,920 INFO L93 Difference]: Finished difference Result 6862 states and 8829 transitions. [2020-10-28 12:09:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:09:00,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2020-10-28 12:09:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:00,948 INFO L225 Difference]: With dead ends: 6862 [2020-10-28 12:09:00,948 INFO L226 Difference]: Without dead ends: 5062 [2020-10-28 12:09:00,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:09:00,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2020-10-28 12:09:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 3729. [2020-10-28 12:09:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3729 states. [2020-10-28 12:09:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3729 states and 4668 transitions. [2020-10-28 12:09:01,105 INFO L78 Accepts]: Start accepts. Automaton has 3729 states and 4668 transitions. Word has length 262 [2020-10-28 12:09:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:01,106 INFO L481 AbstractCegarLoop]: Abstraction has 3729 states and 4668 transitions. [2020-10-28 12:09:01,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:09:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 4668 transitions. [2020-10-28 12:09:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-28 12:09:01,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:01,115 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:01,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:09:01,115 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:01,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2112568702, now seen corresponding path program 1 times [2020-10-28 12:09:01,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:01,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129692609] [2020-10-28 12:09:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:01,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 981 [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-28 12:09:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 12:09:02,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:02,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:02,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:09:02,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:02,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:09:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 12:09:02,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-28 12:09:02,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129692609] [2020-10-28 12:09:02,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:02,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:09:02,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322025162] [2020-10-28 12:09:02,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:09:02,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:02,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:09:02,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:09:02,696 INFO L87 Difference]: Start difference. First operand 3729 states and 4668 transitions. Second operand 5 states. [2020-10-28 12:09:05,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:05,973 INFO L93 Difference]: Finished difference Result 8216 states and 10523 transitions. [2020-10-28 12:09:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:09:05,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 283 [2020-10-28 12:09:05,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:05,998 INFO L225 Difference]: With dead ends: 8216 [2020-10-28 12:09:05,998 INFO L226 Difference]: Without dead ends: 4681 [2020-10-28 12:09:06,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:09:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2020-10-28 12:09:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 4484. [2020-10-28 12:09:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4484 states. [2020-10-28 12:09:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 5581 transitions. [2020-10-28 12:09:06,150 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 5581 transitions. Word has length 283 [2020-10-28 12:09:06,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:06,151 INFO L481 AbstractCegarLoop]: Abstraction has 4484 states and 5581 transitions. [2020-10-28 12:09:06,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:09:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 5581 transitions. [2020-10-28 12:09:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-28 12:09:06,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:06,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:06,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:09:06,167 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:06,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:06,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1409213186, now seen corresponding path program 1 times [2020-10-28 12:09:06,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:06,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137148731] [2020-10-28 12:09:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:06,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-28 12:09:07,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1593 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 12:09:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:08,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:08,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:08,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:09:08,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:08,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:08,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:08,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:08,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 12:09:08,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 12:09:08,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:08,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:08,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:08,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:08,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:08,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:09:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:08,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:08,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:08,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:08,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-28 12:09:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-28 12:09:08,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137148731] [2020-10-28 12:09:08,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:08,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:09:08,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813515642] [2020-10-28 12:09:08,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:09:08,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:08,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:09:08,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:09:08,761 INFO L87 Difference]: Start difference. First operand 4484 states and 5581 transitions. Second operand 5 states. [2020-10-28 12:09:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:11,263 INFO L93 Difference]: Finished difference Result 5632 states and 6983 transitions. [2020-10-28 12:09:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:09:11,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-10-28 12:09:11,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:11,270 INFO L225 Difference]: With dead ends: 5632 [2020-10-28 12:09:11,271 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:09:11,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:09:11,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:09:11,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:09:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:09:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:09:11,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2020-10-28 12:09:11,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:11,284 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:09:11,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:09:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:09:11,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:09:11,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:09:11,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:09:12,191 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2020-10-28 12:09:13,288 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 186 DAG size of output: 52 [2020-10-28 12:09:13,447 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-10-28 12:09:13,670 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-10-28 12:09:14,022 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-10-28 12:09:14,027 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:09:14,027 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:09:14,027 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:09:14,027 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:09:14,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,028 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 12:09:14,029 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,030 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,031 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,032 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,034 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,035 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,036 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,036 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,036 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,036 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,037 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-28 12:09:14,038 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,039 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,039 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,039 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,039 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,041 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:09:14,042 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,043 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:09:14,044 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a23~0 |old(~a23~0)|)) (.cse4 (= ~a29~0 |old(~a29~0)|))) (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (and .cse2 .cse3 .cse4 (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~a29~0)| 220))) (or .cse0 .cse1 (not (= 11 |old(~a25~0)|))) (or .cse0 (not (<= |old(~a25~0)| 10)) .cse1) (or .cse0 (not (<= 13 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 (= ~a4~0 1)) (not (<= |old(~a29~0)| 245))) (or .cse0 .cse1 (not (<= 160 |old(~a23~0)|))) (or .cse1 (not (<= |old(~a4~0)| 0)))))) [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,045 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,046 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,047 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,048 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,049 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,050 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,051 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,052 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,053 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,054 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L270 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (= 11 |old(~a25~0)|))) (or .cse0 (not (<= 13 |old(~a25~0)|)) (not (<= |old(~a29~0)| 245))) (or .cse0 (not (<= |old(~a29~0)| 220))) (or .cse0 (not (<= 160 |old(~a23~0)|))) (or .cse0 (not (<= |old(~a25~0)| 10))) (not (<= |old(~a4~0)| 0)))) [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,055 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:09:14,056 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 12:09:14,057 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,058 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-28 12:09:14,059 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-28 12:09:14,060 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-28 12:09:14,060 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-28 12:09:14,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:09:14,060 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 307 ~a23~0) (= ~a29~0 130) (= ~a4~0 1)) [2020-10-28 12:09:14,060 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:09:14,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:09:14,060 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 130) (= ~a4~0 1)) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|))) [2020-10-28 12:09:14,060 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:09:14,061 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and .cse0 (<= 160 ~a23~0)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 11) .cse0) (<= ~a4~0 0) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|)) (and (<= ~a29~0 220) .cse0) (and (<= ~a25~0 10) .cse0) (and (<= ~a29~0 245) (<= 13 ~a25~0) .cse0))) [2020-10-28 12:09:14,061 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-28 12:09:14,061 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-28 12:09:14,061 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and .cse0 (<= 160 ~a23~0)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 11) .cse0) (<= ~a4~0 0) (not (= 130 |old(~a29~0)|)) (not (<= 307 |old(~a23~0)|)) (and (<= ~a29~0 220) .cse0) (and (<= ~a25~0 10) .cse0) (and (<= ~a29~0 245) (<= 13 ~a25~0) .cse0))) [2020-10-28 12:09:14,061 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:09:14,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:09:14 BoogieIcfgContainer [2020-10-28 12:09:14,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:09:14,099 INFO L168 Benchmark]: Toolchain (without parser) took 62212.82 ms. Allocated memory was 151.0 MB in the beginning and 811.6 MB in the end (delta: 660.6 MB). Free memory was 122.9 MB in the beginning and 724.0 MB in the end (delta: -601.1 MB). Peak memory consumption was 489.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:09:14,099 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:09:14,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1014.96 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 110.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. [2020-10-28 12:09:14,104 INFO L168 Benchmark]: Boogie Preprocessor took 163.36 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 102.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:09:14,107 INFO L168 Benchmark]: RCFGBuilder took 2255.42 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 102.6 MB in the beginning and 110.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 8.0 GB. [2020-10-28 12:09:14,108 INFO L168 Benchmark]: TraceAbstraction took 58761.56 ms. Allocated memory was 181.4 MB in the beginning and 811.6 MB in the end (delta: 630.2 MB). Free memory was 109.7 MB in the beginning and 724.0 MB in the end (delta: -614.3 MB). Peak memory consumption was 445.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:09:14,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1014.96 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 110.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.36 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 102.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2255.42 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 102.6 MB in the beginning and 110.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58761.56 ms. Allocated memory was 181.4 MB in the beginning and 811.6 MB in the end (delta: 630.2 MB). Free memory was 109.7 MB in the beginning and 724.0 MB in the end (delta: -614.3 MB). Peak memory consumption was 445.8 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: 1036]: Loop Invariant Derived loop invariant: (((((((((a4 == 1 && 160 <= a23) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || (a25 == 11 && a4 == 1)) || a4 <= 0) || !(130 == \old(a29))) || !(307 <= \old(a23))) || (a29 <= 220 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || ((a29 <= 245 && 13 <= a25) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 6372 SDslu, 595 SDs, 0 SdLazy, 11666 SolverSat, 1865 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4484occurred in iteration=9, 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, 10 MinimizatonAttempts, 1985 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 188 PreInvPairs, 246 NumberOfFragments, 415 HoareAnnotationTreeSize, 188 FomulaSimplifications, 12345 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4048 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.0s InterpolantComputationTime, 2087 NumberOfCodeBlocks, 2087 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2077 ConstructedInterpolants, 0 QuantifiedInterpolants, 1203128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1146/1158 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...