/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:38:23,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:38:23,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:38:23,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:38:23,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:38:23,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:38:23,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:38:23,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:38:23,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:38:23,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:38:23,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:38:23,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:38:23,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:38:23,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:38:23,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:38:23,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:38:23,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:38:23,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:38:23,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:38:23,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:38:23,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:38:23,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:38:23,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:38:23,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:38:23,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:38:23,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:38:23,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:38:23,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:38:23,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:38:23,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:38:23,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:38:23,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:38:23,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:38:23,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:38:23,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:38:23,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:38:23,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:38:23,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:38:23,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:38:23,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:38:23,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:38:23,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:38:23,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:38:23,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:38:23,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:38:23,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:38:23,250 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:38:23,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:38:23,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:38:23,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:38:23,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:38:23,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:38:23,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:38:23,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:38:23,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:38:23,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:38:23,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:38:23,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:38:23,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:38:23,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:38:23,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:38:23,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:38:23,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:38:23,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:38:23,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:38:23,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:38:23,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:38:23,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:38:23,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:38:23,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:38:23,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:38:23,698 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:38:23,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-29 06:38:23,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e40372caa/aed321eff4df4920a89f88855a7fb897/FLAG8439a5672 [2020-10-29 06:38:24,689 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:38:24,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-29 06:38:24,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e40372caa/aed321eff4df4920a89f88855a7fb897/FLAG8439a5672 [2020-10-29 06:38:24,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e40372caa/aed321eff4df4920a89f88855a7fb897 [2020-10-29 06:38:24,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:38:24,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:38:24,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:38:24,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:38:24,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:38:24,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:38:24" (1/1) ... [2020-10-29 06:38:24,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7a668d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:24, skipping insertion in model container [2020-10-29 06:38:24,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:38:24" (1/1) ... [2020-10-29 06:38:24,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:38:25,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:38:25,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:38:25,466 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:38:25,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:38:25,638 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:38:25,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25 WrapperNode [2020-10-29 06:38:25,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:38:25,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:38:25,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:38:25,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:38:25,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... [2020-10-29 06:38:25,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:38:25,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:38:25,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:38:25,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:38:25,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:38:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:38:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:38:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:38:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:38:25,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:38:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:38:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:38:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:38:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:38:27,301 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:38:27,302 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:38:27,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:38:27 BoogieIcfgContainer [2020-10-29 06:38:27,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:38:27,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:38:27,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:38:27,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:38:27,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:38:24" (1/3) ... [2020-10-29 06:38:27,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408bf637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:38:27, skipping insertion in model container [2020-10-29 06:38:27,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:38:25" (2/3) ... [2020-10-29 06:38:27,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408bf637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:38:27, skipping insertion in model container [2020-10-29 06:38:27,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:38:27" (3/3) ... [2020-10-29 06:38:27,315 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-10-29 06:38:27,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:38:27,335 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:38:27,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:38:27,381 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:38:27,382 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:38:27,382 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:38:27,382 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:38:27,382 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:38:27,382 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:38:27,383 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:38:27,383 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:38:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:38:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 06:38:27,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:27,424 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] [2020-10-29 06:38:27,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:27,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:27,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1000492548, now seen corresponding path program 1 times [2020-10-29 06:38:27,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:27,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605555965] [2020-10-29 06:38:27,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 06:38:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-29 06:38:28,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:28,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:38:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:38:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 06:38:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:38:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:28,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:28,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:28,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 06:38:28,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:28,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:28,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:38:28,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:38:28,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605555965] [2020-10-29 06:38:28,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:38:28,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:38:28,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360224490] [2020-10-29 06:38:28,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:38:28,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:28,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:38:28,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:38:28,673 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-29 06:38:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:30,807 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-29 06:38:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:38:30,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-29 06:38:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:30,825 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:38:30,825 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:38:30,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:38:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:38:30,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-29 06:38:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-29 06:38:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-29 06:38:30,916 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 62 [2020-10-29 06:38:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:30,917 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-29 06:38:30,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:38:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-29 06:38:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-29 06:38:30,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:30,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:30,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:38:30,926 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:30,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1860246556, now seen corresponding path program 1 times [2020-10-29 06:38:30,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:30,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177051806] [2020-10-29 06:38:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:31,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:31,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:32,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:32,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 06:38:32,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:38:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1348 [2020-10-29 06:38:32,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:32,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:38:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:38:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:38:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:38:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:32,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:32,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:32,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:32,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 06:38:32,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:32,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:32,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:38:32,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:38:32,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:32,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:32,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:32,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:38:32,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:38:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-29 06:38:32,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:32,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:38:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:38:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:38:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:38:32,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177051806] [2020-10-29 06:38:32,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:32,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:38:32,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841966726] [2020-10-29 06:38:32,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:38:32,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:32,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:38:32,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:38:32,841 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-29 06:38:34,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:34,932 INFO L93 Difference]: Finished difference Result 914 states and 1340 transitions. [2020-10-29 06:38:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:38:34,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-10-29 06:38:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:34,961 INFO L225 Difference]: With dead ends: 914 [2020-10-29 06:38:34,962 INFO L226 Difference]: Without dead ends: 623 [2020-10-29 06:38:34,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:38:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-10-29 06:38:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2020-10-29 06:38:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-29 06:38:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 767 transitions. [2020-10-29 06:38:35,077 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 767 transitions. Word has length 134 [2020-10-29 06:38:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:35,078 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 767 transitions. [2020-10-29 06:38:35,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:38:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 767 transitions. [2020-10-29 06:38:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 06:38:35,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:35,091 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:35,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:38:35,091 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:35,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1623970216, now seen corresponding path program 1 times [2020-10-29 06:38:35,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:35,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880219651] [2020-10-29 06:38:35,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:35,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:38:35,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:38:35,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-29 06:38:35,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:35,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:38:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 06:38:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:35,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:35,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:35,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:38:35,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:35,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:35,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:35,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:38:35,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 06:38:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:35,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:38:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:38:36,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880219651] [2020-10-29 06:38:36,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:36,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:38:36,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918178297] [2020-10-29 06:38:36,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:38:36,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:36,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:38:36,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:38:36,077 INFO L87 Difference]: Start difference. First operand 597 states and 767 transitions. Second operand 5 states. [2020-10-29 06:38:37,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:37,642 INFO L93 Difference]: Finished difference Result 898 states and 1190 transitions. [2020-10-29 06:38:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:38:37,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-29 06:38:37,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:37,655 INFO L225 Difference]: With dead ends: 898 [2020-10-29 06:38:37,656 INFO L226 Difference]: Without dead ends: 895 [2020-10-29 06:38:37,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:38:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-29 06:38:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 746. [2020-10-29 06:38:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-29 06:38:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1006 transitions. [2020-10-29 06:38:37,696 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1006 transitions. Word has length 141 [2020-10-29 06:38:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:37,699 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1006 transitions. [2020-10-29 06:38:37,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:38:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1006 transitions. [2020-10-29 06:38:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-29 06:38:37,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:37,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:37,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:38:37,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:37,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:37,715 INFO L82 PathProgramCache]: Analyzing trace with hash 284554932, now seen corresponding path program 1 times [2020-10-29 06:38:37,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:37,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778445994] [2020-10-29 06:38:37,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:37,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:37,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:39,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:39,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-29 06:38:39,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:38:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1700 [2020-10-29 06:38:39,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:39,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-29 06:38:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 06:38:39,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:39,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:39,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:39,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:38:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:39,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:39,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:39,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:38:39,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 06:38:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:39,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:38:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-29 06:38:39,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778445994] [2020-10-29 06:38:39,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:39,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:38:39,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778168419] [2020-10-29 06:38:39,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:38:39,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:39,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:38:39,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:38:39,928 INFO L87 Difference]: Start difference. First operand 746 states and 1006 transitions. Second operand 5 states. [2020-10-29 06:38:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:41,699 INFO L93 Difference]: Finished difference Result 1639 states and 2258 transitions. [2020-10-29 06:38:41,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:38:41,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-29 06:38:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:41,706 INFO L225 Difference]: With dead ends: 1639 [2020-10-29 06:38:41,707 INFO L226 Difference]: Without dead ends: 752 [2020-10-29 06:38:41,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:38:41,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-10-29 06:38:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 746. [2020-10-29 06:38:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-29 06:38:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 994 transitions. [2020-10-29 06:38:41,743 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 994 transitions. Word has length 214 [2020-10-29 06:38:41,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:41,743 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 994 transitions. [2020-10-29 06:38:41,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:38:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 994 transitions. [2020-10-29 06:38:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-29 06:38:41,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:41,749 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:38:41,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:38:41,749 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:41,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1030476172, now seen corresponding path program 1 times [2020-10-29 06:38:41,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:41,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240738094] [2020-10-29 06:38:41,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:41,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:43,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:43,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-29 06:38:43,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:38:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1970 [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:38:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:43,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:43,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:43,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:43,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:38:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:38:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:38:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:44,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:44,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:38:44,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:38:44,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:38:44,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240738094] [2020-10-29 06:38:44,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:44,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:38:44,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900199719] [2020-10-29 06:38:44,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:38:44,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:44,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:38:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:38:44,455 INFO L87 Difference]: Start difference. First operand 746 states and 994 transitions. Second operand 7 states. [2020-10-29 06:38:46,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:46,525 INFO L93 Difference]: Finished difference Result 1810 states and 2507 transitions. [2020-10-29 06:38:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:38:46,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-10-29 06:38:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:46,535 INFO L225 Difference]: With dead ends: 1810 [2020-10-29 06:38:46,535 INFO L226 Difference]: Without dead ends: 1070 [2020-10-29 06:38:46,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:38:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-29 06:38:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1052. [2020-10-29 06:38:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-29 06:38:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1427 transitions. [2020-10-29 06:38:46,593 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1427 transitions. Word has length 251 [2020-10-29 06:38:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:46,594 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1427 transitions. [2020-10-29 06:38:46,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:38:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1427 transitions. [2020-10-29 06:38:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-29 06:38:46,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:46,601 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:46,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:38:46,602 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:46,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:46,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1061646256, now seen corresponding path program 1 times [2020-10-29 06:38:46,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:46,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477011] [2020-10-29 06:38:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:46,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:46,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:47,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:49,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:51,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:38:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:38:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:51,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:51,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:51,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:51,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:51,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:38:51,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:51,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:51,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:51,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:51,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:51,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:38:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:38:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:52,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:38:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:38:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:38:52,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477011] [2020-10-29 06:38:52,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:52,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:38:52,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650785293] [2020-10-29 06:38:52,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:38:52,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:52,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:38:52,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:38:52,488 INFO L87 Difference]: Start difference. First operand 1052 states and 1427 transitions. Second operand 7 states. [2020-10-29 06:38:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:54,715 INFO L93 Difference]: Finished difference Result 2271 states and 3131 transitions. [2020-10-29 06:38:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:38:54,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-10-29 06:38:54,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:54,728 INFO L225 Difference]: With dead ends: 2271 [2020-10-29 06:38:54,728 INFO L226 Difference]: Without dead ends: 1225 [2020-10-29 06:38:54,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:38:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-10-29 06:38:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1203. [2020-10-29 06:38:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-10-29 06:38:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1602 transitions. [2020-10-29 06:38:54,789 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1602 transitions. Word has length 258 [2020-10-29 06:38:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:54,790 INFO L481 AbstractCegarLoop]: Abstraction has 1203 states and 1602 transitions. [2020-10-29 06:38:54,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:38:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1602 transitions. [2020-10-29 06:38:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-29 06:38:54,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:54,798 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:54,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:38:54,798 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:54,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:54,799 INFO L82 PathProgramCache]: Analyzing trace with hash 970175784, now seen corresponding path program 1 times [2020-10-29 06:38:54,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:54,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837361306] [2020-10-29 06:38:54,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:55,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:55,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:56,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:56,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-29 06:38:56,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:38:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2128 [2020-10-29 06:38:56,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:56,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:38:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 06:38:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:38:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:57,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:57,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:57,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:38:57,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:57,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:38:57,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:57,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:38:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:38:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:57,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:38:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:38:57,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:38:57,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:57,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:38:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:38:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:38:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:38:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:57,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:57,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:38:57,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:38:57,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:38:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:38:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:38:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:38:57,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837361306] [2020-10-29 06:38:57,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:38:57,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:38:57,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62440542] [2020-10-29 06:38:57,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:38:57,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:38:57,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:38:57,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:38:57,617 INFO L87 Difference]: Start difference. First operand 1203 states and 1602 transitions. Second operand 7 states. [2020-10-29 06:38:59,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:38:59,695 INFO L93 Difference]: Finished difference Result 2730 states and 3704 transitions. [2020-10-29 06:38:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:38:59,696 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-29 06:38:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:38:59,704 INFO L225 Difference]: With dead ends: 2730 [2020-10-29 06:38:59,704 INFO L226 Difference]: Without dead ends: 1086 [2020-10-29 06:38:59,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:38:59,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-29 06:38:59,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1058. [2020-10-29 06:38:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-29 06:38:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1323 transitions. [2020-10-29 06:38:59,751 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1323 transitions. Word has length 266 [2020-10-29 06:38:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:38:59,752 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1323 transitions. [2020-10-29 06:38:59,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:38:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1323 transitions. [2020-10-29 06:38:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-29 06:38:59,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:38:59,758 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:38:59,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:38:59,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:38:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:38:59,760 INFO L82 PathProgramCache]: Analyzing trace with hash -222910652, now seen corresponding path program 1 times [2020-10-29 06:38:59,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:38:59,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712511218] [2020-10-29 06:38:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:38:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:38:59,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:38:59,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:01,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:02,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-29 06:39:02,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2901 [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:39:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:02,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:02,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:02,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:02,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:02,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:02,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:02,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:02,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:03,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:03,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:39:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:39:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:03,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:03,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:03,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:39:03,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:03,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 108 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:39:03,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712511218] [2020-10-29 06:39:03,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:03,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:03,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575017745] [2020-10-29 06:39:03,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:03,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:03,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:03,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:03,372 INFO L87 Difference]: Start difference. First operand 1058 states and 1323 transitions. Second operand 7 states. [2020-10-29 06:39:05,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:05,020 INFO L93 Difference]: Finished difference Result 2273 states and 2831 transitions. [2020-10-29 06:39:05,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:39:05,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-10-29 06:39:05,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:05,029 INFO L225 Difference]: With dead ends: 2273 [2020-10-29 06:39:05,029 INFO L226 Difference]: Without dead ends: 1221 [2020-10-29 06:39:05,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:39:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-29 06:39:05,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1201. [2020-10-29 06:39:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-29 06:39:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1472 transitions. [2020-10-29 06:39:05,078 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1472 transitions. Word has length 268 [2020-10-29 06:39:05,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:05,078 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1472 transitions. [2020-10-29 06:39:05,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1472 transitions. [2020-10-29 06:39:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-29 06:39:05,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:05,086 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:39:05,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:39:05,086 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:05,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1220832392, now seen corresponding path program 1 times [2020-10-29 06:39:05,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:05,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670619429] [2020-10-29 06:39:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:05,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:05,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:05,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:10,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-29 06:39:10,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:39:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-29 06:39:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:10,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:10,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:10,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:39:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:10,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:10,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:10,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:39:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:39:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:10,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:39:10,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:39:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 06:39:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:10,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:39:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:39:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 296 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:39:10,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670619429] [2020-10-29 06:39:10,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:10,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:39:10,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612965801] [2020-10-29 06:39:10,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:39:10,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:10,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:39:10,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:10,981 INFO L87 Difference]: Start difference. First operand 1201 states and 1472 transitions. Second operand 8 states. [2020-10-29 06:39:13,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:13,815 INFO L93 Difference]: Finished difference Result 2414 states and 3004 transitions. [2020-10-29 06:39:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:39:13,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 329 [2020-10-29 06:39:13,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:13,825 INFO L225 Difference]: With dead ends: 2414 [2020-10-29 06:39:13,826 INFO L226 Difference]: Without dead ends: 1362 [2020-10-29 06:39:13,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:39:13,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-10-29 06:39:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1350. [2020-10-29 06:39:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-29 06:39:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1566 transitions. [2020-10-29 06:39:13,878 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1566 transitions. Word has length 329 [2020-10-29 06:39:13,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:13,879 INFO L481 AbstractCegarLoop]: Abstraction has 1350 states and 1566 transitions. [2020-10-29 06:39:13,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:39:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1566 transitions. [2020-10-29 06:39:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-29 06:39:13,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:13,890 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:13,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:39:13,890 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:13,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:13,891 INFO L82 PathProgramCache]: Analyzing trace with hash -8987504, now seen corresponding path program 1 times [2020-10-29 06:39:13,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:13,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343599183] [2020-10-29 06:39:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:14,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:16,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:18,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:18,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-29 06:39:18,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:18,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4434 [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-29 06:39:18,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:18,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:18,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:18,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:18,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:39:18,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:18,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:18,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:18,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:18,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:39:18,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:39:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:18,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:39:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:18,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:39:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:18,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:18,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:18,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:39:18,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 06:39:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:19,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:39:19,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:39:19,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:19,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:39:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 343 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 06:39:19,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343599183] [2020-10-29 06:39:19,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:19,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:19,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733499424] [2020-10-29 06:39:19,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:19,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:19,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:19,205 INFO L87 Difference]: Start difference. First operand 1350 states and 1566 transitions. Second operand 7 states. [2020-10-29 06:39:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:21,326 INFO L93 Difference]: Finished difference Result 3163 states and 3757 transitions. [2020-10-29 06:39:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:21,331 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 374 [2020-10-29 06:39:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:21,341 INFO L225 Difference]: With dead ends: 3163 [2020-10-29 06:39:21,342 INFO L226 Difference]: Without dead ends: 1962 [2020-10-29 06:39:21,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:21,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-29 06:39:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1952. [2020-10-29 06:39:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-29 06:39:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2252 transitions. [2020-10-29 06:39:21,406 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2252 transitions. Word has length 374 [2020-10-29 06:39:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:21,407 INFO L481 AbstractCegarLoop]: Abstraction has 1952 states and 2252 transitions. [2020-10-29 06:39:21,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2252 transitions. [2020-10-29 06:39:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-29 06:39:21,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:21,414 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:21,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:39:21,415 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:21,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:21,415 INFO L82 PathProgramCache]: Analyzing trace with hash -773742688, now seen corresponding path program 1 times [2020-10-29 06:39:21,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:21,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718346691] [2020-10-29 06:39:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:24,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-29 06:39:24,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2572 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 06:39:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:24,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:39:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:24,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:24,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:39:24,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:39:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:39:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:39:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-29 06:39:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:24,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:39:24,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:39:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:24,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:39:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 250 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:39:24,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718346691] [2020-10-29 06:39:24,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:24,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:24,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118575295] [2020-10-29 06:39:24,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:24,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:24,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:24,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:24,761 INFO L87 Difference]: Start difference. First operand 1952 states and 2252 transitions. Second operand 7 states. [2020-10-29 06:39:27,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:27,030 INFO L93 Difference]: Finished difference Result 3771 states and 4391 transitions. [2020-10-29 06:39:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:39:27,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 383 [2020-10-29 06:39:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:27,051 INFO L225 Difference]: With dead ends: 3771 [2020-10-29 06:39:27,051 INFO L226 Difference]: Without dead ends: 1968 [2020-10-29 06:39:27,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2020-10-29 06:39:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1952. [2020-10-29 06:39:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-29 06:39:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2235 transitions. [2020-10-29 06:39:27,120 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2235 transitions. Word has length 383 [2020-10-29 06:39:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:27,121 INFO L481 AbstractCegarLoop]: Abstraction has 1952 states and 2235 transitions. [2020-10-29 06:39:27,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2235 transitions. [2020-10-29 06:39:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-29 06:39:27,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:27,128 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:27,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:39:27,128 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:27,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:27,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2025792752, now seen corresponding path program 1 times [2020-10-29 06:39:27,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:27,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203202804] [2020-10-29 06:39:27,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:27,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-29 06:39:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 06:39:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:28,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:39:28,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:28,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:28,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:28,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:39:28,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 06:39:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:39:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:28,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:28,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:28,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:28,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:39:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:39:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-29 06:39:28,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203202804] [2020-10-29 06:39:28,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:28,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:39:28,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259848287] [2020-10-29 06:39:28,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:28,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:28,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:28,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:28,513 INFO L87 Difference]: Start difference. First operand 1952 states and 2235 transitions. Second operand 5 states. [2020-10-29 06:39:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:32,210 INFO L93 Difference]: Finished difference Result 4190 states and 4858 transitions. [2020-10-29 06:39:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:39:32,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 387 [2020-10-29 06:39:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:32,223 INFO L225 Difference]: With dead ends: 4190 [2020-10-29 06:39:32,223 INFO L226 Difference]: Without dead ends: 2387 [2020-10-29 06:39:32,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2020-10-29 06:39:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2240. [2020-10-29 06:39:32,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-10-29 06:39:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2562 transitions. [2020-10-29 06:39:32,295 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2562 transitions. Word has length 387 [2020-10-29 06:39:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:32,296 INFO L481 AbstractCegarLoop]: Abstraction has 2240 states and 2562 transitions. [2020-10-29 06:39:32,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2562 transitions. [2020-10-29 06:39:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-29 06:39:32,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:32,303 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:32,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:39:32,304 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:32,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1542542888, now seen corresponding path program 1 times [2020-10-29 06:39:32,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:32,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175529406] [2020-10-29 06:39:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:32,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 418 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 06:39:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:33,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:33,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 06:39:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:34,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:34,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-29 06:39:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:34,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:34,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:34,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:39:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 06:39:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:34,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 06:39:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-29 06:39:34,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175529406] [2020-10-29 06:39:34,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:34,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:39:34,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605000300] [2020-10-29 06:39:34,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:34,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:34,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:34,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:34,255 INFO L87 Difference]: Start difference. First operand 2240 states and 2562 transitions. Second operand 5 states. [2020-10-29 06:39:36,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:36,042 INFO L93 Difference]: Finished difference Result 5053 states and 5867 transitions. [2020-10-29 06:39:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:39:36,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 402 [2020-10-29 06:39:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:36,051 INFO L225 Difference]: With dead ends: 5053 [2020-10-29 06:39:36,051 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:39:36,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:39:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:39:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:39:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:39:36,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2020-10-29 06:39:36,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:36,064 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:39:36,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:39:36,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:39:36,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:39:36,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:39:36,576 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 130 [2020-10-29 06:39:37,279 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 130 [2020-10-29 06:39:37,418 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 23 [2020-10-29 06:39:37,884 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2020-10-29 06:39:38,671 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2020-10-29 06:39:38,885 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2020-10-29 06:39:39,312 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2020-10-29 06:39:39,316 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:39:39,316 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:39:39,316 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:39:39,316 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:39:39,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:39:39,316 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:39:39,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:39:39,317 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:39:39,318 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L270 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (and (or (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a1~0)| 33))) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|)) (not (= 4 |old(~a10~0)|)) (or (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2))) (not (= 7 |old(~a19~0)|))) [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:39:39,319 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:39:39,320 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:39:39,321 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:39:39,322 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:39:39,323 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,324 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:39:39,325 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:39:39,326 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,327 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a1~0)| 33))) (or .cse0 (not (= 4 |old(~a10~0)|))) (or .cse0 (not (= 7 |old(~a19~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= 0 |old(~a10~0)|))))) [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:39:39,328 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,329 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:39:39,330 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:39:39,331 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:39:39,332 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-29 06:39:39,332 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:39:39,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:39:39,333 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-29 06:39:39,333 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:39:39,333 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (= ~a19~0 8) (= 7 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 8 ~a19~0) (<= ~a10~0 2)) (and (<= ~a1~0 33) (<= 2 ~a10~0)) (= ~a10~0 4)) [2020-10-29 06:39:39,333 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:39:39,333 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:39:39,333 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (= ~a19~0 8) (= 7 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 8 ~a19~0) (<= ~a10~0 2)) (and (<= ~a1~0 33) (<= 2 ~a10~0)) (= ~a10~0 4)) [2020-10-29 06:39:39,333 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:39:39,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:39:39 BoogieIcfgContainer [2020-10-29 06:39:39,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:39:39,357 INFO L168 Benchmark]: Toolchain (without parser) took 74434.20 ms. Allocated memory was 151.0 MB in the beginning and 946.9 MB in the end (delta: 795.9 MB). Free memory was 124.2 MB in the beginning and 752.5 MB in the end (delta: -628.3 MB). Peak memory consumption was 564.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:39:39,357 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:39:39,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.54 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 97.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:39:39,359 INFO L168 Benchmark]: Boogie Preprocessor took 190.00 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 128.7 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:39:39,359 INFO L168 Benchmark]: RCFGBuilder took 1472.80 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 128.7 MB in the beginning and 137.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:39:39,360 INFO L168 Benchmark]: TraceAbstraction took 72048.07 ms. Allocated memory was 181.4 MB in the beginning and 946.9 MB in the end (delta: 765.5 MB). Free memory was 137.0 MB in the beginning and 752.5 MB in the end (delta: -615.5 MB). Peak memory consumption was 546.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:39:39,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 709.54 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 97.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 190.00 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 128.7 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1472.80 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 128.7 MB in the beginning and 137.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 72048.07 ms. Allocated memory was 181.4 MB in the beginning and 946.9 MB in the end (delta: 765.5 MB). Free memory was 137.0 MB in the beginning and 752.5 MB in the end (delta: -615.5 MB). Peak memory consumption was 546.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || a19 == 8) || 7 == a19) || !(9 == \old(a19))) || a10 == 0) || !(\old(a1) <= 23)) || a19 == 9) || !(0 == \old(a10))) || (8 <= a19 && a10 <= 2)) || (a1 <= 33 && 2 <= a10)) || a10 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 28.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 357 SDtfs, 4849 SDslu, 439 SDs, 0 SdLazy, 11432 SolverSat, 1374 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 460 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 243 PreInvPairs, 291 NumberOfFragments, 351 HoareAnnotationTreeSize, 243 FomulaSimplifications, 290933 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 59594 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 3469 NumberOfCodeBlocks, 3469 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3456 ConstructedInterpolants, 0 QuantifiedInterpolants, 2452577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 2935/3179 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...