/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:12:51,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:12:51,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:12:51,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:12:51,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:12:51,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:12:51,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:12:51,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:12:51,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:12:51,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:12:51,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:12:51,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:12:51,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:12:51,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:12:51,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:12:51,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:12:51,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:12:51,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:12:51,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:12:51,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:12:51,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:12:51,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:12:51,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:12:51,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:12:51,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:12:51,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:12:51,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:12:51,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:12:51,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:12:51,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:12:51,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:12:51,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:12:51,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:12:51,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:12:51,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:12:51,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:12:51,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:12:51,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:12:51,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:12:51,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:12:51,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:12:51,147 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 [2020-10-12 11:12:51,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:12:51,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:12:51,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:12:51,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:12:51,171 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:12:51,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:12:51,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:12:51,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:12:51,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:12:51,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:12:51,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:12:51,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:12:51,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:12:51,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:12:51,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:12:51,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:12:51,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:12:51,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:12:51,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:12:51,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:12:51,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:12:51,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:12:51,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:12:51,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:12:51,478 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:12:51,479 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-10-12 11:12:51,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0655586/95ffa54c01c641af9877fc5bffeb0667/FLAGeffcbc6c2 [2020-10-12 11:12:52,108 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:12:52,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-10-12 11:12:52,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0655586/95ffa54c01c641af9877fc5bffeb0667/FLAGeffcbc6c2 [2020-10-12 11:12:52,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d0655586/95ffa54c01c641af9877fc5bffeb0667 [2020-10-12 11:12:52,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:12:52,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:12:52,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:12:52,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:12:52,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:12:52,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:12:52" (1/1) ... [2020-10-12 11:12:52,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:52, skipping insertion in model container [2020-10-12 11:12:52,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:12:52" (1/1) ... [2020-10-12 11:12:52,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:12:52,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:12:52,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:12:52,877 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:12:53,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:12:53,105 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:12:53,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53 WrapperNode [2020-10-12 11:12:53,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:12:53,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:12:53,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:12:53,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:12:53,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (1/1) ... [2020-10-12 11:12:53,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:12:53,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:12:53,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:12:53,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:12:53,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (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 [2020-10-12 11:12:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:12:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:12:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:12:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:12:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:12:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:12:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:12:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:12:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:12:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:12:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:12:54,508 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:12:54,508 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:12:54,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:12:54 BoogieIcfgContainer [2020-10-12 11:12:54,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:12:54,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:12:54,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:12:54,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:12:54,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:12:52" (1/3) ... [2020-10-12 11:12:54,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3be2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:12:54, skipping insertion in model container [2020-10-12 11:12:54,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:53" (2/3) ... [2020-10-12 11:12:54,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3be2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:12:54, skipping insertion in model container [2020-10-12 11:12:54,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:12:54" (3/3) ... [2020-10-12 11:12:54,524 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-10-12 11:12:54,535 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:12:54,544 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:12:54,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:12:54,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:12:54,584 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:12:54,584 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:12:54,584 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:12:54,585 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:12:54,585 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:12:54,585 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:12:54,585 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:12:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:12:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 11:12:54,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:12:54,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:12:54,626 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:12:54,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:12:54,634 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-10-12 11:12:54,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:12:54,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605232784] [2020-10-12 11:12:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:12:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:12:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:12:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:12:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:12:56,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 11:12:56,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:12:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1531 [2020-10-12 11:12:56,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:12:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:12:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:12:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:12:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:12:57,048 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-12 11:12:57,190 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2020-10-12 11:12:57,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:12:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:12:57,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:12:57,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:12:57,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:12:57,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:12:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:12:57,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:12:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:12:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:12:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:12:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:12:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:12:57,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605232784] [2020-10-12 11:12:57,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:12:57,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:12:57,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672982869] [2020-10-12 11:12:57,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:12:57,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:12:57,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:12:57,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:12:57,883 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:12:58,427 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-12 11:12:58,722 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-10-12 11:12:58,955 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2020-10-12 11:12:59,467 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2020-10-12 11:12:59,871 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2020-10-12 11:13:00,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:00,970 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:13:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:13:00,972 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-10-12 11:13:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:00,987 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:13:00,988 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:00,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:13:01,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:13:01,063 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 123 [2020-10-12 11:13:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:01,064 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:13:01,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:13:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:13:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 11:13:01,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:01,068 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:01,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:13:01,069 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:01,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:01,070 INFO L82 PathProgramCache]: Analyzing trace with hash 95352584, now seen corresponding path program 1 times [2020-10-12 11:13:01,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:01,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898077863] [2020-10-12 11:13:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:01,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:01,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:03,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:03,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 11:13:03,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2051 [2020-10-12 11:13:03,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:03,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:13:03,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:13:03,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:04,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:04,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:04,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:04,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:04,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:04,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:04,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:04,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:04,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:04,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:04,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:13:04,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:04,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:04,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:13:04,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:04,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898077863] [2020-10-12 11:13:04,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:04,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:04,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546669959] [2020-10-12 11:13:04,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:04,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:04,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:04,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:04,262 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:13:04,784 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-10-12 11:13:05,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-12 11:13:05,871 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-10-12 11:13:06,324 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-12 11:13:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:06,907 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:13:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:13:06,908 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-12 11:13:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:06,911 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:13:06,911 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:06,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:13:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:13:06,932 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 132 [2020-10-12 11:13:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:06,933 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:13:06,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:13:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 11:13:06,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:06,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:06,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:13:06,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:06,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash -171641456, now seen corresponding path program 1 times [2020-10-12 11:13:06,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:06,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887690891] [2020-10-12 11:13:06,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:07,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:07,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:08,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:08,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 11:13:08,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:08,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-10-12 11:13:08,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:13:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:13:08,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:08,690 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-12 11:13:09,032 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-10-12 11:13:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:09,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:09,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:09,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:09,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:09,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:09,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:09,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:13:09,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:13:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:09,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887690891] [2020-10-12 11:13:09,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:09,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:09,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246980192] [2020-10-12 11:13:09,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:09,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:09,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:09,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:09,375 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:13:09,657 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:13:09,877 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-12 11:13:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:11,314 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:13:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:13:11,315 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-12 11:13:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:11,318 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:13:11,318 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:13:11,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:13:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:13:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:13:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:13:11,343 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 136 [2020-10-12 11:13:11,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:11,343 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:13:11,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:13:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 11:13:11,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:11,348 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:11,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:13:11,348 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:11,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:11,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558216, now seen corresponding path program 1 times [2020-10-12 11:13:11,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:11,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388539175] [2020-10-12 11:13:11,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:11,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 11:13:11,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-12 11:13:11,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 11:13:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:11,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:11,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:11,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:11,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:11,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:11,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:11,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:11,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:11,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:11,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:11,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:11,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:11,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:11,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:13:11,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:13:12,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388539175] [2020-10-12 11:13:12,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:12,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:12,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352158054] [2020-10-12 11:13:12,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:12,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:12,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:12,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:12,034 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:13:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:13,152 INFO L93 Difference]: Finished difference Result 786 states and 1020 transitions. [2020-10-12 11:13:13,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:13,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-10-12 11:13:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:13,161 INFO L225 Difference]: With dead ends: 786 [2020-10-12 11:13:13,161 INFO L226 Difference]: Without dead ends: 474 [2020-10-12 11:13:13,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-12 11:13:13,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 469. [2020-10-12 11:13:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-12 11:13:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 562 transitions. [2020-10-12 11:13:13,201 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 562 transitions. Word has length 158 [2020-10-12 11:13:13,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:13,201 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 562 transitions. [2020-10-12 11:13:13,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 562 transitions. [2020-10-12 11:13:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 11:13:13,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:13,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:13,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:13:13,207 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:13,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:13,207 INFO L82 PathProgramCache]: Analyzing trace with hash 572226585, now seen corresponding path program 1 times [2020-10-12 11:13:13,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:13,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108476972] [2020-10-12 11:13:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:13,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:13,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:15,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 11:13:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1903 [2020-10-12 11:13:15,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:13:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:13:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:15,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:15,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:15,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:15,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 11:13:15,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:16,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108476972] [2020-10-12 11:13:16,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:16,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:16,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091418654] [2020-10-12 11:13:16,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:16,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:16,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:16,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:16,056 INFO L87 Difference]: Start difference. First operand 469 states and 562 transitions. Second operand 12 states. [2020-10-12 11:13:16,540 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:13:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:18,550 INFO L93 Difference]: Finished difference Result 1023 states and 1284 transitions. [2020-10-12 11:13:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:13:18,551 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-12 11:13:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:18,555 INFO L225 Difference]: With dead ends: 1023 [2020-10-12 11:13:18,555 INFO L226 Difference]: Without dead ends: 550 [2020-10-12 11:13:18,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:13:18,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-12 11:13:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 545. [2020-10-12 11:13:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-12 11:13:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 642 transitions. [2020-10-12 11:13:18,580 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 642 transitions. Word has length 157 [2020-10-12 11:13:18,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:18,581 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 642 transitions. [2020-10-12 11:13:18,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 642 transitions. [2020-10-12 11:13:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-12 11:13:18,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:18,585 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:18,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:13:18,585 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:18,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 194882078, now seen corresponding path program 1 times [2020-10-12 11:13:18,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:18,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833023001] [2020-10-12 11:13:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:18,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:18,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:19,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 11:13:19,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:13:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-10-12 11:13:19,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-12 11:13:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:19,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:19,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:19,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:19,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 11:13:19,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:20,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:20,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:13:20,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833023001] [2020-10-12 11:13:20,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:20,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:20,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032660032] [2020-10-12 11:13:20,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:13:20,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:13:20,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:20,101 INFO L87 Difference]: Start difference. First operand 545 states and 642 transitions. Second operand 6 states. [2020-10-12 11:13:21,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:21,405 INFO L93 Difference]: Finished difference Result 1381 states and 1672 transitions. [2020-10-12 11:13:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:13:21,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-10-12 11:13:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:21,411 INFO L225 Difference]: With dead ends: 1381 [2020-10-12 11:13:21,411 INFO L226 Difference]: Without dead ends: 842 [2020-10-12 11:13:21,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-12 11:13:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 837. [2020-10-12 11:13:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-12 11:13:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1005 transitions. [2020-10-12 11:13:21,445 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1005 transitions. Word has length 165 [2020-10-12 11:13:21,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:21,446 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1005 transitions. [2020-10-12 11:13:21,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:13:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1005 transitions. [2020-10-12 11:13:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-12 11:13:21,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:21,450 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:21,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:13:21,451 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:21,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:21,451 INFO L82 PathProgramCache]: Analyzing trace with hash 648814158, now seen corresponding path program 1 times [2020-10-12 11:13:21,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:21,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695540433] [2020-10-12 11:13:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:21,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 11:13:24,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:13:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3451 [2020-10-12 11:13:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 11:13:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:25,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:25,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:25,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:25,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 11:13:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:25,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:25,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:25,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:25,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:25,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:13:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 11:13:25,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 11:13:25,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:13:25,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695540433] [2020-10-12 11:13:25,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:25,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:25,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781927170] [2020-10-12 11:13:25,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:25,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:25,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:25,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:25,191 INFO L87 Difference]: Start difference. First operand 837 states and 1005 transitions. Second operand 8 states. [2020-10-12 11:13:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:26,727 INFO L93 Difference]: Finished difference Result 2298 states and 2887 transitions. [2020-10-12 11:13:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:13:26,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-12 11:13:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:26,738 INFO L225 Difference]: With dead ends: 2298 [2020-10-12 11:13:26,739 INFO L226 Difference]: Without dead ends: 1167 [2020-10-12 11:13:26,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:13:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-10-12 11:13:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 998. [2020-10-12 11:13:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-10-12 11:13:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1231 transitions. [2020-10-12 11:13:26,807 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1231 transitions. Word has length 191 [2020-10-12 11:13:26,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:26,808 INFO L479 AbstractCegarLoop]: Abstraction has 998 states and 1231 transitions. [2020-10-12 11:13:26,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1231 transitions. [2020-10-12 11:13:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-12 11:13:26,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:26,814 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:26,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:13:26,815 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:26,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:26,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1403936886, now seen corresponding path program 1 times [2020-10-12 11:13:26,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:26,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062120097] [2020-10-12 11:13:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:26,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-12 11:13:30,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3557 [2020-10-12 11:13:30,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:13:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:30,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:30,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:30,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:30,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:30,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:30,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:30,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:30,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:30,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 11:13:30,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:13:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:30,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:13:30,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 11:13:30,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:30,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 11:13:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:30,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:30,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 11:13:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:30,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 157 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:13:30,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062120097] [2020-10-12 11:13:30,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:30,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:13:30,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140896246] [2020-10-12 11:13:30,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:30,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:30,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:30,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:30,846 INFO L87 Difference]: Start difference. First operand 998 states and 1231 transitions. Second operand 8 states. [2020-10-12 11:13:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:32,873 INFO L93 Difference]: Finished difference Result 3070 states and 3938 transitions. [2020-10-12 11:13:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:32,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-10-12 11:13:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:32,896 INFO L225 Difference]: With dead ends: 3070 [2020-10-12 11:13:32,897 INFO L226 Difference]: Without dead ends: 2078 [2020-10-12 11:13:32,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:13:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-12 11:13:32,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2070. [2020-10-12 11:13:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-12 11:13:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2556 transitions. [2020-10-12 11:13:33,001 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2556 transitions. Word has length 223 [2020-10-12 11:13:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:33,002 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2556 transitions. [2020-10-12 11:13:33,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2556 transitions. [2020-10-12 11:13:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-12 11:13:33,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:33,017 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:33,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:13:33,017 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:33,018 INFO L82 PathProgramCache]: Analyzing trace with hash -331748770, now seen corresponding path program 1 times [2020-10-12 11:13:33,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:33,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382211210] [2020-10-12 11:13:33,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-12 11:13:38,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 11:13:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:38,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:38,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:38,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:13:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 11:13:38,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 11:13:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 11:13:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:13:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 11:13:38,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 11:13:38,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 11:13:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:13:38,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 149 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-12 11:13:38,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382211210] [2020-10-12 11:13:38,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:38,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:38,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302077289] [2020-10-12 11:13:38,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:13:38,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:38,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:13:38,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:38,560 INFO L87 Difference]: Start difference. First operand 2070 states and 2556 transitions. Second operand 6 states. [2020-10-12 11:13:39,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:39,625 INFO L93 Difference]: Finished difference Result 3626 states and 4475 transitions. [2020-10-12 11:13:39,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:39,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2020-10-12 11:13:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:39,629 INFO L225 Difference]: With dead ends: 3626 [2020-10-12 11:13:39,629 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:13:39,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:13:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:13:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:13:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:13:39,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2020-10-12 11:13:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:39,638 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:13:39,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:13:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:13:39,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:13:39,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:13:39,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:13:40,092 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 87 [2020-10-12 11:13:40,255 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 98 [2020-10-12 11:13:40,841 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-10-12 11:13:41,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:13:41,036 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:13:41,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:13:41,036 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,036 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,036 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,036 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:13:41,037 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:13:41,038 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:13:41,038 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:13:41,038 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:13:41,038 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:13:41,039 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:13:41,039 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:13:41,040 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:13:41,041 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:13:41,041 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:13:41,041 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:13:41,041 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:13:41,041 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:13:41,042 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:13:41,043 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:13:41,044 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:13:41,045 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:13:41,046 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:13:41,047 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:13:41,048 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:13:41,048 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:13:41,049 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:13:41,050 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:13:41,051 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,052 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:13:41,052 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,052 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:13:41,052 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:13:41,053 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,054 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:13:41,055 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,056 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:13:41,057 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:13:41,058 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,059 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,059 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse6 (not (= 10 |old(~a28~0)|))) (.cse7 (and .cse1 .cse2 .cse5 .cse3 (= ~a28~0 10))) (.cse4 (not (= ~a21~0 1)))) (and (or (not (= |old(~a25~0)| 1)) (and .cse0 .cse1 .cse2 (= ~a25~0 1) .cse3) .cse4) (or (and .cse0 .cse2 .cse5 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|)) .cse4) (or .cse6 .cse7 (not (= |old(~a19~0)| 1))) (or (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 9 |old(~a28~0)|)) .cse4 (and (= 7 ~a17~0) .cse2 (= ~a28~0 9) (= ~a25~0 ~a19~0) .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse6 .cse7 .cse4)))) [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:13:41,060 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,061 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:13:41,062 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:13:41,063 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:13:41,064 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:13:41,065 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:13:41,066 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0)) [2020-10-12 11:13:41,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:13:41,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:13:41,067 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:13:41,067 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a25~0 0) (= ~a28~0 9) (= ~a25~0 ~a19~0)) (= ~a28~0 10) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:13:41,067 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:13:41,067 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:13:41,067 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a25~0 0) (= ~a28~0 9) (= ~a25~0 ~a19~0)) (= ~a28~0 10) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:13:41,067 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:13:41,067 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:13:41,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:13:41 BoogieIcfgContainer [2020-10-12 11:13:41,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:13:41,097 INFO L168 Benchmark]: Toolchain (without parser) took 48758.82 ms. Allocated memory was 139.5 MB in the beginning and 835.2 MB in the end (delta: 695.7 MB). Free memory was 101.1 MB in the beginning and 583.2 MB in the end (delta: -482.1 MB). Peak memory consumption was 677.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.28 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 171.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,102 INFO L168 Benchmark]: Boogie Preprocessor took 118.46 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,106 INFO L168 Benchmark]: RCFGBuilder took 1290.13 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 181.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,111 INFO L168 Benchmark]: TraceAbstraction took 46577.57 ms. Allocated memory was 238.0 MB in the beginning and 835.2 MB in the end (delta: 597.2 MB). Free memory was 181.9 MB in the beginning and 583.2 MB in the end (delta: -401.3 MB). Peak memory consumption was 659.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:41,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.28 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 171.1 MB in the end (delta: -70.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.46 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1290.13 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 181.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46577.57 ms. Allocated memory was 238.0 MB in the beginning and 835.2 MB in the end (delta: 597.2 MB). Free memory was 181.9 MB in the beginning and 583.2 MB in the end (delta: -401.3 MB). Peak memory consumption was 659.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a19) == 1) || a17 == 8) || !(8 == \old(a17))) || a25 == 1) || !(0 == \old(a25))) || !(a21 == 1)) || !(7 == \old(a28))) || ((((a25 == a11 && 7 == a17) && a25 == 0) && a28 == 9) && a25 == a19)) || a28 == 10) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 3746 SDslu, 513 SDs, 0 SdLazy, 8676 SolverSat, 1118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2070occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 207 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 109 NumberOfFragments, 355 HoareAnnotationTreeSize, 70 FomulaSimplifications, 61643 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1844 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.6s InterpolantComputationTime, 1550 NumberOfCodeBlocks, 1550 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1541 ConstructedInterpolants, 0 QuantifiedInterpolants, 2569862 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 650/692 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...