/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:37:42,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:37:42,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:37:42,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:37:42,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:37:42,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:37:42,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:37:42,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:37:42,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:37:42,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:37:42,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:37:42,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:37:42,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:37:42,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:37:42,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:37:42,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:37:42,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:37:42,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:37:42,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:37:42,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:37:42,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:37:42,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:37:42,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:37:42,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:37:42,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:37:42,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:37:42,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:37:42,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:37:42,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:37:42,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:37:42,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:37:42,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:37:42,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:37:42,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:37:42,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:37:42,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:37:42,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:37:42,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:37:42,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:37:42,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:37:42,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:37:42,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:37:42,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:37:42,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:37:42,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:37:42,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:37:42,263 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:37:42,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:37:42,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:37:42,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:37:42,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:37:42,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:37:42,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:37:42,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:37:42,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:37:42,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:37:42,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:37:42,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:37:42,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:37:42,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:37:42,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:37:42,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:37:42,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:37:42,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:37:42,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:37:42,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:37:42,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:37:42,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:37:42,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:37:42,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:37:42,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:37:42,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:37:42,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:37:42,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:37:42,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:37:42,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:37:42,794 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:37:42,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-27 15:37:42,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d0064682/1ba5d895485d4ecaa0d883be4613af50/FLAGb7148d6ae [2020-10-27 15:37:43,525 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:37:43,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-27 15:37:43,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d0064682/1ba5d895485d4ecaa0d883be4613af50/FLAGb7148d6ae [2020-10-27 15:37:43,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d0064682/1ba5d895485d4ecaa0d883be4613af50 [2020-10-27 15:37:43,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:37:43,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:37:43,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:43,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:37:43,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:37:43,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:43" (1/1) ... [2020-10-27 15:37:43,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3387b0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:43, skipping insertion in model container [2020-10-27 15:37:43,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:37:43" (1/1) ... [2020-10-27 15:37:43,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:37:43,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:37:44,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:44,306 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:37:44,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:37:44,462 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:37:44,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44 WrapperNode [2020-10-27 15:37:44,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:37:44,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:37:44,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:37:44,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:37:44,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... [2020-10-27 15:37:44,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:37:44,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:37:44,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:37:44,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:37:44,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:37:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:37:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:37:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:37:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:37:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:37:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:37:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:37:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:37:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:37:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:37:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:37:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:37:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:37:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:37:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:37:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:37:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:37:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:37:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:37:46,056 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:37:46,056 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:37:46,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:46 BoogieIcfgContainer [2020-10-27 15:37:46,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:37:46,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:37:46,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:37:46,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:37:46,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:37:43" (1/3) ... [2020-10-27 15:37:46,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152f2a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:46, skipping insertion in model container [2020-10-27 15:37:46,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:37:44" (2/3) ... [2020-10-27 15:37:46,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152f2a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:37:46, skipping insertion in model container [2020-10-27 15:37:46,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:37:46" (3/3) ... [2020-10-27 15:37:46,069 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-10-27 15:37:46,084 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:37:46,094 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:37:46,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:37:46,158 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:37:46,158 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:37:46,158 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:37:46,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:37:46,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:37:46,159 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:37:46,159 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:37:46,159 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:37:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:37:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 15:37:46,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:46,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:46,220 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:46,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:46,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1100231837, now seen corresponding path program 1 times [2020-10-27 15:37:46,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:46,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441878763] [2020-10-27 15:37:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:46,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:47,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 15:37:48,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:37:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2118 [2020-10-27 15:37:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:37:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:37:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:37:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:37:49,426 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-27 15:37:49,565 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2020-10-27 15:37:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:50,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:50,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 15:37:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:37:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:50,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441878763] [2020-10-27 15:37:50,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:37:50,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:37:50,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461409928] [2020-10-27 15:37:50,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:37:50,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:50,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:37:50,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:37:50,209 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:37:50,425 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:37:50,617 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:37:50,774 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:37:50,977 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:37:51,391 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2020-10-27 15:37:51,851 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-27 15:37:52,646 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2020-10-27 15:37:53,290 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 106 [2020-10-27 15:37:54,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:54,577 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:37:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:37:54,579 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-27 15:37:54,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:54,594 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:37:54,594 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:37:54,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:37:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:37:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:37:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:37:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:37:54,674 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 139 [2020-10-27 15:37:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:54,675 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:37:54,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:37:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:37:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 15:37:54,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:54,680 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:54,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:37:54,680 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:54,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1579543778, now seen corresponding path program 1 times [2020-10-27 15:37:54,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:54,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003899429] [2020-10-27 15:37:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:54,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:56,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:56,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 15:37:56,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2248 [2020-10-27 15:37:56,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:37:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 15:37:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:57,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:57,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:57,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:57,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:57,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:37:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:37:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:37:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:37:57,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003899429] [2020-10-27 15:37:57,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:57,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:37:57,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931436612] [2020-10-27 15:37:57,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:37:57,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:57,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:37:57,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:37:57,255 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 5 states. [2020-10-27 15:37:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:58,856 INFO L93 Difference]: Finished difference Result 612 states and 875 transitions. [2020-10-27 15:37:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:58,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-27 15:37:58,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:58,868 INFO L225 Difference]: With dead ends: 612 [2020-10-27 15:37:58,869 INFO L226 Difference]: Without dead ends: 384 [2020-10-27 15:37:58,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:58,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-27 15:37:58,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 381. [2020-10-27 15:37:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-27 15:37:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 533 transitions. [2020-10-27 15:37:58,947 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 533 transitions. Word has length 148 [2020-10-27 15:37:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:58,948 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 533 transitions. [2020-10-27 15:37:58,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2020-10-27 15:37:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 15:37:58,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:58,965 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:58,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:37:58,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:58,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:58,966 INFO L82 PathProgramCache]: Analyzing trace with hash -661297875, now seen corresponding path program 1 times [2020-10-27 15:37:58,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:58,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760183120] [2020-10-27 15:37:58,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:59,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:01,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:01,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 15:38:01,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:01,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2792 [2020-10-27 15:38:01,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:38:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 15:38:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:02,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:02,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:02,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:02,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:02,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:02,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:02,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:38:02,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:02,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 15:38:02,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:38:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:38:02,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760183120] [2020-10-27 15:38:02,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:02,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:02,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410350366] [2020-10-27 15:38:02,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:02,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:02,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:02,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:02,367 INFO L87 Difference]: Start difference. First operand 381 states and 533 transitions. Second operand 5 states. [2020-10-27 15:38:02,773 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 15:38:03,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:03,873 INFO L93 Difference]: Finished difference Result 848 states and 1234 transitions. [2020-10-27 15:38:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:03,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-10-27 15:38:03,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:03,881 INFO L225 Difference]: With dead ends: 848 [2020-10-27 15:38:03,881 INFO L226 Difference]: Without dead ends: 384 [2020-10-27 15:38:03,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-27 15:38:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 381. [2020-10-27 15:38:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-27 15:38:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 531 transitions. [2020-10-27 15:38:03,905 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 531 transitions. Word has length 170 [2020-10-27 15:38:03,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:03,905 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 531 transitions. [2020-10-27 15:38:03,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 531 transitions. [2020-10-27 15:38:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 15:38:03,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:03,909 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:03,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:38:03,910 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:03,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:03,910 INFO L82 PathProgramCache]: Analyzing trace with hash 913945077, now seen corresponding path program 1 times [2020-10-27 15:38:03,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:03,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646823770] [2020-10-27 15:38:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:03,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:04,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:05,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:06,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 15:38:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2341 [2020-10-27 15:38:06,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 15:38:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 15:38:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:06,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:06,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:06,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:06,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:06,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:06,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:06,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:06,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:06,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:06,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:06,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:06,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:06,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:06,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:06,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:38:06,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 15:38:06,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:38:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:38:06,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646823770] [2020-10-27 15:38:06,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:06,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:06,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036033307] [2020-10-27 15:38:06,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:06,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:06,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:06,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:06,565 INFO L87 Difference]: Start difference. First operand 381 states and 531 transitions. Second operand 5 states. [2020-10-27 15:38:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:08,402 INFO L93 Difference]: Finished difference Result 1063 states and 1527 transitions. [2020-10-27 15:38:08,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:08,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2020-10-27 15:38:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:08,409 INFO L225 Difference]: With dead ends: 1063 [2020-10-27 15:38:08,409 INFO L226 Difference]: Without dead ends: 688 [2020-10-27 15:38:08,411 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 [2020-10-27 15:38:08,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-10-27 15:38:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2020-10-27 15:38:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-27 15:38:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 934 transitions. [2020-10-27 15:38:08,446 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 934 transitions. Word has length 174 [2020-10-27 15:38:08,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:08,447 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 934 transitions. [2020-10-27 15:38:08,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 934 transitions. [2020-10-27 15:38:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 15:38:08,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:08,452 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:08,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:38:08,452 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:08,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:08,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1787692448, now seen corresponding path program 1 times [2020-10-27 15:38:08,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:08,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948993281] [2020-10-27 15:38:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:08,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:08,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:13,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 15:38:13,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:38:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 15:38:13,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 15:38:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 15:38:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:13,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:13,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:13,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:13,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:13,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:13,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:13,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 15:38:13,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 15:38:13,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:13,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 15:38:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:38:13,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948993281] [2020-10-27 15:38:13,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:13,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:13,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877514423] [2020-10-27 15:38:13,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:13,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:13,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:13,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:13,828 INFO L87 Difference]: Start difference. First operand 680 states and 934 transitions. Second operand 5 states. [2020-10-27 15:38:14,114 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 15:38:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:15,561 INFO L93 Difference]: Finished difference Result 1942 states and 2725 transitions. [2020-10-27 15:38:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:15,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-27 15:38:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:15,573 INFO L225 Difference]: With dead ends: 1942 [2020-10-27 15:38:15,573 INFO L226 Difference]: Without dead ends: 970 [2020-10-27 15:38:15,577 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 [2020-10-27 15:38:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-27 15:38:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 967. [2020-10-27 15:38:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-10-27 15:38:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1211 transitions. [2020-10-27 15:38:15,640 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1211 transitions. Word has length 218 [2020-10-27 15:38:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:15,641 INFO L481 AbstractCegarLoop]: Abstraction has 967 states and 1211 transitions. [2020-10-27 15:38:15,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1211 transitions. [2020-10-27 15:38:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 15:38:15,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:15,649 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:38:15,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:38:15,650 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:15,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:15,650 INFO L82 PathProgramCache]: Analyzing trace with hash -258807398, now seen corresponding path program 1 times [2020-10-27 15:38:15,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:15,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051674185] [2020-10-27 15:38:15,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:15,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:15,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:16,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 15:38:20,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:38:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 15:38:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 15:38:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 15:38:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 15:38:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:20,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:20,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:20,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:20,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:20,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:20,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:20,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:21,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:38:21,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:21,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:38:21,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:38:21,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:21,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:38:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:21,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:21,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:38:21,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:21,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 15:38:21,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 15:38:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 15:38:21,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-27 15:38:21,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051674185] [2020-10-27 15:38:21,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:21,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:38:21,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829352754] [2020-10-27 15:38:21,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:38:21,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:21,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:38:21,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:21,383 INFO L87 Difference]: Start difference. First operand 967 states and 1211 transitions. Second operand 6 states. [2020-10-27 15:38:22,354 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:38:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:23,049 INFO L93 Difference]: Finished difference Result 2031 states and 2593 transitions. [2020-10-27 15:38:23,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:38:23,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2020-10-27 15:38:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:23,057 INFO L225 Difference]: With dead ends: 2031 [2020-10-27 15:38:23,058 INFO L226 Difference]: Without dead ends: 969 [2020-10-27 15:38:23,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:38:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-10-27 15:38:23,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 966. [2020-10-27 15:38:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-27 15:38:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1207 transitions. [2020-10-27 15:38:23,103 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1207 transitions. Word has length 232 [2020-10-27 15:38:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:23,103 INFO L481 AbstractCegarLoop]: Abstraction has 966 states and 1207 transitions. [2020-10-27 15:38:23,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:38:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1207 transitions. [2020-10-27 15:38:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 15:38:23,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:23,111 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-27 15:38:23,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:38:23,111 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash 21977559, now seen corresponding path program 1 times [2020-10-27 15:38:23,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:23,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117778570] [2020-10-27 15:38:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:23,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:25,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:25,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-27 15:38:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:38:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 15:38:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-27 15:38:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 15:38:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:28,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:28,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:38:28,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:38:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:28,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 15:38:28,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 15:38:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:28,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:28,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 15:38:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:28,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:28,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 15:38:28,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 15:38:28,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 15:38:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-27 15:38:29,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117778570] [2020-10-27 15:38:29,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:29,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:29,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120617879] [2020-10-27 15:38:29,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:29,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:29,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:29,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:29,230 INFO L87 Difference]: Start difference. First operand 966 states and 1207 transitions. Second operand 5 states. [2020-10-27 15:38:30,173 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 15:38:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:30,750 INFO L93 Difference]: Finished difference Result 1879 states and 2364 transitions. [2020-10-27 15:38:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:30,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-27 15:38:30,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:30,752 INFO L225 Difference]: With dead ends: 1879 [2020-10-27 15:38:30,752 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:38:30,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:38:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:38:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:38:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:38:30,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2020-10-27 15:38:30,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:30,759 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:38:30,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:38:30,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:38:30,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:38:30,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:38:31,159 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 44 [2020-10-27 15:38:31,302 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 44 [2020-10-27 15:38:31,473 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2020-10-27 15:38:32,302 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 73 [2020-10-27 15:38:32,508 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-27 15:38:32,635 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-27 15:38:32,776 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-10-27 15:38:32,780 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:38:32,780 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:38:32,780 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:38:32,781 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:38:32,781 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:32,781 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:38:32,781 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:32,781 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:32,782 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,783 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:38:32,784 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,785 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L270 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 8 |old(~a17~0)|))) (.cse2 (not (= |old(~a11~0)| 1))) (.cse1 (not (= ~a21~0 1)))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or .cse0 .cse2) (or (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= 9 |old(~a28~0)|)) .cse1 (not (= |old(~a11~0)| |old(~a25~0)|))) (or (not (= |old(~a25~0)| 1)) .cse1) (or (not (<= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (not (<= 7 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 8 |old(~a28~0)|)) (not (<= |old(~a17~0)| 7)) .cse1 (not (<= |old(~a11~0)| 0))))) [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-10-27 15:38:32,786 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:38:32,787 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:32,788 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:38:32,789 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:38:32,790 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:38:32,791 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:38:32,792 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:32,793 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,794 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:38:32,795 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:38:32,796 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:38:32,797 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:38:32,798 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse3 .cse5 .cse8 (= ~a17~0 8) .cse6)) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse2 (not (= ~a21~0 1))) (.cse7 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~a25~0)| 1)) (and .cse3 .cse4 .cse5 (= ~a25~0 1) .cse6) .cse2) (or .cse0 .cse1 .cse7) (or (not (<= |old(~a19~0)| 1)) (and (<= 7 ~a17~0) .cse5 .cse8 (<= ~a28~0 8) (<= 8 ~a28~0) (<= ~a17~0 7) .cse6) (not (<= |old(~a28~0)| 8)) (not (<= 7 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 8 |old(~a28~0)|)) (not (<= |old(~a17~0)| 7)) .cse2 (not (<= |old(~a11~0)| 0))) (or (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a25~0 ~a11~0) .cse4 .cse8 (= ~a28~0 9) .cse6) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= 9 |old(~a28~0)|)) .cse2 (not (= |old(~a11~0)| |old(~a25~0)|))) (or (and .cse3 .cse4 .cse5 .cse8 .cse6) .cse2 .cse7)))) [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:38:32,799 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,800 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:38:32,801 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:38:32,802 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:32,803 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:38:32,804 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:38:32,805 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:38:32,805 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:38:32,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:38:32,805 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0)) [2020-10-27 15:38:32,805 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:38:32,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:38:32,805 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (= ~a25~0 1) (not (= ~a21~0 1)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a11~0 0) (= ~a28~0 9) (= ~a11~0 ~a19~0)) (= ~a11~0 1) (not (= 7 |old(~a28~0)|)) (and (<= ~a11~0 0) (<= 7 ~a17~0) (<= ~a28~0 8) (<= ~a19~0 1) (<= 8 ~a28~0) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:38:32,806 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:38:32,806 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:32,806 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:38:32,806 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (= ~a25~0 1) (not (= ~a21~0 1)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a11~0 0) (= ~a28~0 9) (= ~a11~0 ~a19~0)) (= ~a11~0 1) (not (= 7 |old(~a28~0)|)) (and (<= ~a11~0 0) (<= 7 ~a17~0) (<= ~a28~0 8) (<= ~a19~0 1) (<= 8 ~a28~0) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:38:32,806 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:38:32,806 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:38:32,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:38:32 BoogieIcfgContainer [2020-10-27 15:38:32,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:38:32,838 INFO L168 Benchmark]: Toolchain (without parser) took 49030.43 ms. Allocated memory was 125.8 MB in the beginning and 855.6 MB in the end (delta: 729.8 MB). Free memory was 99.4 MB in the beginning and 617.4 MB in the end (delta: -518.0 MB). Peak memory consumption was 509.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:32,839 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:38:32,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.41 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 138.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:32,841 INFO L168 Benchmark]: Boogie Preprocessor took 177.15 ms. Allocated memory is still 158.3 MB. Free memory was 138.4 MB in the beginning and 133.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:32,842 INFO L168 Benchmark]: RCFGBuilder took 1414.64 ms. Allocated memory is still 158.3 MB. Free memory was 133.7 MB in the beginning and 81.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 54.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:32,848 INFO L168 Benchmark]: TraceAbstraction took 46768.73 ms. Allocated memory was 158.3 MB in the beginning and 855.6 MB in the end (delta: 697.3 MB). Free memory was 81.3 MB in the beginning and 617.4 MB in the end (delta: -536.1 MB). Peak memory consumption was 458.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:38:32,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 654.41 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 138.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.15 ms. Allocated memory is still 158.3 MB. Free memory was 138.4 MB in the beginning and 133.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1414.64 ms. Allocated memory is still 158.3 MB. Free memory was 133.7 MB in the beginning and 81.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 54.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46768.73 ms. Allocated memory was 158.3 MB in the beginning and 855.6 MB in the end (delta: 697.3 MB). Free memory was 81.3 MB in the beginning and 617.4 MB in the end (delta: -536.1 MB). Peak memory consumption was 458.5 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: 608]: Loop Invariant Derived loop invariant: (((((((((!(\old(a19) == 1) || a17 == 8) || !(8 == \old(a17))) || !(0 == \old(a25))) || a25 == 1) || !(a21 == 1)) || ((((a25 == a11 && 7 == a17) && a11 == 0) && a28 == 9) && a11 == a19)) || a11 == 1) || !(7 == \old(a28))) || ((((((a11 <= 0 && 7 <= a17) && a28 <= 8) && a19 <= 1) && 8 <= a28) && a17 <= 7) && 1 <= a19)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.6s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 2121 SDslu, 249 SDs, 0 SdLazy, 5266 SolverSat, 641 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=967occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 93 PreInvPairs, 117 NumberOfFragments, 580 HoareAnnotationTreeSize, 93 FomulaSimplifications, 28342 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1427 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2473095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 441/454 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...