/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=NARROWEST --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/Problem14_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:54:06,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:54:06,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:54:06,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:54:06,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:54:06,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:54:06,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:54:06,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:54:06,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:54:06,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:54:06,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:54:06,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:54:06,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:54:06,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:54:06,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:54:06,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:54:06,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:54:06,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:54:06,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:54:06,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:54:06,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:54:06,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:54:06,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:54:06,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:54:06,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:54:06,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:54:06,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:54:06,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:54:06,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:54:06,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:54:06,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:54:06,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:54:06,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:54:06,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:54:06,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:54:06,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:54:06,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:54:06,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:54:06,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:54:06,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:54:06,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:54:06,689 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 [2020-10-13 08:54:06,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:54:06,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:54:06,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:54:06,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:54:06,728 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:54:06,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:54:06,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:54:06,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:54:06,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:54:06,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:54:06,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:54:06,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:54:06,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:54:06,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:54:06,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:54:06,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:54:06,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:54:06,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:54:06,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:54:06,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:54:06,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:54:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:54:06,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:54:06,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:54:06,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:54:06,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:54:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:54:06,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:54:06,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:54:06,736 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:54:07,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:54:07,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:54:07,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:54:07,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:54:07,102 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:54:07,103 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label49.c [2020-10-13 08:54:07,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1449bc8d/737f97d4326543119d7af98f53cbd93a/FLAGf215b943d [2020-10-13 08:54:07,793 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:54:07,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label49.c [2020-10-13 08:54:07,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1449bc8d/737f97d4326543119d7af98f53cbd93a/FLAGf215b943d [2020-10-13 08:54:08,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1449bc8d/737f97d4326543119d7af98f53cbd93a [2020-10-13 08:54:08,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:54:08,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:54:08,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:54:08,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:54:08,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:54:08,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:08,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f08f2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08, skipping insertion in model container [2020-10-13 08:54:08,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:08,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:54:08,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:54:08,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:54:08,769 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:54:08,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:54:08,919 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:54:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08 WrapperNode [2020-10-13 08:54:08,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:54:08,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:54:08,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:54:08,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:54:08,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:08,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:08,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:08,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:09,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:09,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:09,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (1/1) ... [2020-10-13 08:54:09,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:54:09,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:54:09,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:54:09,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:54:09,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (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 [2020-10-13 08:54:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:54:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:54:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:54:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:54:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:54:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:54:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:54:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:54:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:54:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:54:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:54:10,611 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:54:10,611 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:54:10,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:10 BoogieIcfgContainer [2020-10-13 08:54:10,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:54:10,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:54:10,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:54:10,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:54:10,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:54:08" (1/3) ... [2020-10-13 08:54:10,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164231fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:10, skipping insertion in model container [2020-10-13 08:54:10,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:54:08" (2/3) ... [2020-10-13 08:54:10,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164231fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:10, skipping insertion in model container [2020-10-13 08:54:10,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:10" (3/3) ... [2020-10-13 08:54:10,626 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label49.c [2020-10-13 08:54:10,637 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:54:10,645 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:54:10,660 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:54:10,687 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:54:10,688 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:54:10,688 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:54:10,688 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:54:10,688 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:54:10,688 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:54:10,689 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:54:10,689 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:54:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:54:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 08:54:10,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:10,725 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] [2020-10-13 08:54:10,726 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:10,733 INFO L82 PathProgramCache]: Analyzing trace with hash -989018502, now seen corresponding path program 1 times [2020-10-13 08:54:10,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:10,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534783926] [2020-10-13 08:54:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:11,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:11,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:54:11,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-13 08:54:11,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:54:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:54:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:54:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:54:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:11,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:54:11,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:54:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:54:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:11,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534783926] [2020-10-13 08:54:11,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:54:11,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:54:11,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974355097] [2020-10-13 08:54:11,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:11,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:11,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:11,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:11,572 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-13 08:54:14,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:14,124 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-10-13 08:54:14,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:54:14,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-13 08:54:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:14,149 INFO L225 Difference]: With dead ends: 886 [2020-10-13 08:54:14,150 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:14,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:54:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:14,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-10-13 08:54:14,294 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 65 [2020-10-13 08:54:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:14,296 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-10-13 08:54:14,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-10-13 08:54:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 08:54:14,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:14,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:54:14,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:54:14,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:14,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1895535210, now seen corresponding path program 1 times [2020-10-13 08:54:14,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:14,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290802370] [2020-10-13 08:54:14,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:14,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:15,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:16,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 08:54:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2176 [2020-10-13 08:54:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:54:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:54:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 08:54:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:54:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:16,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:16,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:16,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:16,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:16,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:54:16,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:16,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:16,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:16,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:16,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:16,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:54:16,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:16,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 08:54:16,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:16,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:16,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:54:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:17,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290802370] [2020-10-13 08:54:17,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:17,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:54:17,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755446947] [2020-10-13 08:54:17,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:54:17,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:54:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:54:17,055 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-10-13 08:54:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:18,383 INFO L93 Difference]: Finished difference Result 1167 states and 1876 transitions. [2020-10-13 08:54:18,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:54:18,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-10-13 08:54:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:18,393 INFO L225 Difference]: With dead ends: 1167 [2020-10-13 08:54:18,393 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:18,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:54:18,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 900 transitions. [2020-10-13 08:54:18,427 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 900 transitions. Word has length 151 [2020-10-13 08:54:18,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:18,427 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 900 transitions. [2020-10-13 08:54:18,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:54:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 900 transitions. [2020-10-13 08:54:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 08:54:18,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:18,430 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:18,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:54:18,431 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1312068517, now seen corresponding path program 1 times [2020-10-13 08:54:18,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:18,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736900223] [2020-10-13 08:54:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:18,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:19,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:54:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-13 08:54:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 08:54:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:54:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:19,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:19,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:19,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:54:19,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:19,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:54:19,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:54:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:19,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:54:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:54:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:20,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736900223] [2020-10-13 08:54:20,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:20,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:20,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065366790] [2020-10-13 08:54:20,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:20,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:20,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:20,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:20,090 INFO L87 Difference]: Start difference. First operand 558 states and 900 transitions. Second operand 5 states. [2020-10-13 08:54:21,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:21,136 INFO L93 Difference]: Finished difference Result 1129 states and 1826 transitions. [2020-10-13 08:54:21,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:21,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-13 08:54:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:21,142 INFO L225 Difference]: With dead ends: 1129 [2020-10-13 08:54:21,142 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:21,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:21,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 897 transitions. [2020-10-13 08:54:21,168 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 897 transitions. Word has length 160 [2020-10-13 08:54:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:21,169 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 897 transitions. [2020-10-13 08:54:21,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 897 transitions. [2020-10-13 08:54:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 08:54:21,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:21,171 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:21,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:54:21,172 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:21,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:21,172 INFO L82 PathProgramCache]: Analyzing trace with hash -705928047, now seen corresponding path program 1 times [2020-10-13 08:54:21,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:21,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496423960] [2020-10-13 08:54:21,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:21,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:22,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:22,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:54:22,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:22,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1155 [2020-10-13 08:54:22,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-13 08:54:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:54:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:22,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:22,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:22,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:54:22,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:54:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:22,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:22,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:22,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:54:22,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-13 08:54:22,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:54:22,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:22,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496423960] [2020-10-13 08:54:22,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:22,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:22,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420298256] [2020-10-13 08:54:22,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:22,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:22,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:22,807 INFO L87 Difference]: Start difference. First operand 558 states and 897 transitions. Second operand 5 states. [2020-10-13 08:54:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:23,925 INFO L93 Difference]: Finished difference Result 1143 states and 1834 transitions. [2020-10-13 08:54:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:23,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-13 08:54:23,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:23,932 INFO L225 Difference]: With dead ends: 1143 [2020-10-13 08:54:23,932 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:23,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:23,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 894 transitions. [2020-10-13 08:54:23,956 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 894 transitions. Word has length 166 [2020-10-13 08:54:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:23,957 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 894 transitions. [2020-10-13 08:54:23,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 894 transitions. [2020-10-13 08:54:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-13 08:54:23,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:23,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:23,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:54:23,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:23,960 INFO L82 PathProgramCache]: Analyzing trace with hash -261490727, now seen corresponding path program 1 times [2020-10-13 08:54:23,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:23,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208805096] [2020-10-13 08:54:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:25,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:26,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:26,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:54:26,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2122 [2020-10-13 08:54:26,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:54:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 08:54:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:54:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:26,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:54:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:26,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:26,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:26,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:54:26,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:54:26,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:54:26,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:26,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208805096] [2020-10-13 08:54:26,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:26,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:54:26,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738115857] [2020-10-13 08:54:26,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:54:26,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:54:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:54:26,458 INFO L87 Difference]: Start difference. First operand 558 states and 894 transitions. Second operand 8 states. [2020-10-13 08:54:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:27,700 INFO L93 Difference]: Finished difference Result 1166 states and 1858 transitions. [2020-10-13 08:54:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:54:27,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-10-13 08:54:27,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:27,705 INFO L225 Difference]: With dead ends: 1166 [2020-10-13 08:54:27,705 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:27,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:54:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 888 transitions. [2020-10-13 08:54:27,728 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 888 transitions. Word has length 170 [2020-10-13 08:54:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:27,728 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 888 transitions. [2020-10-13 08:54:27,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:54:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 888 transitions. [2020-10-13 08:54:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 08:54:27,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:27,731 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:27,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:54:27,731 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:27,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:27,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1017307333, now seen corresponding path program 1 times [2020-10-13 08:54:27,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:27,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144259822] [2020-10-13 08:54:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:27,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:28,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:28,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:28,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 08:54:28,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-13 08:54:28,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 08:54:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:54:28,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:28,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:28,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:28,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:28,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:28,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:54:28,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:28,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:54:29,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:54:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:54:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:29,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144259822] [2020-10-13 08:54:29,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:29,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:29,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381099712] [2020-10-13 08:54:29,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:29,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:29,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:29,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:29,188 INFO L87 Difference]: Start difference. First operand 558 states and 888 transitions. Second operand 5 states. [2020-10-13 08:54:30,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:30,230 INFO L93 Difference]: Finished difference Result 1148 states and 1821 transitions. [2020-10-13 08:54:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:30,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-13 08:54:30,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:30,235 INFO L225 Difference]: With dead ends: 1148 [2020-10-13 08:54:30,235 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:30,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 885 transitions. [2020-10-13 08:54:30,257 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 885 transitions. Word has length 176 [2020-10-13 08:54:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:30,258 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 885 transitions. [2020-10-13 08:54:30,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 885 transitions. [2020-10-13 08:54:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-13 08:54:30,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:30,261 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:30,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:54:30,261 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1134835883, now seen corresponding path program 1 times [2020-10-13 08:54:30,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:30,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474945582] [2020-10-13 08:54:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:30,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:30,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:31,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 08:54:31,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:54:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1423 [2020-10-13 08:54:31,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:54:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:54:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 08:54:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:31,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:31,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:31,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:31,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:54:31,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:54:31,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:31,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:31,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:31,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:54:31,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:31,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:54:31,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:54:31,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:32,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474945582] [2020-10-13 08:54:32,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:32,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:54:32,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534578687] [2020-10-13 08:54:32,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:54:32,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:32,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:54:32,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:54:32,049 INFO L87 Difference]: Start difference. First operand 558 states and 885 transitions. Second operand 8 states. [2020-10-13 08:54:33,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:33,659 INFO L93 Difference]: Finished difference Result 1175 states and 1842 transitions. [2020-10-13 08:54:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:54:33,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2020-10-13 08:54:33,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:33,667 INFO L225 Difference]: With dead ends: 1175 [2020-10-13 08:54:33,668 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:33,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:54:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:33,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 882 transitions. [2020-10-13 08:54:33,695 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 882 transitions. Word has length 184 [2020-10-13 08:54:33,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:33,695 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 882 transitions. [2020-10-13 08:54:33,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:54:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 882 transitions. [2020-10-13 08:54:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-13 08:54:33,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:33,698 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:54:33,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:54:33,699 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:33,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:33,699 INFO L82 PathProgramCache]: Analyzing trace with hash -118909078, now seen corresponding path program 1 times [2020-10-13 08:54:33,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:33,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370483067] [2020-10-13 08:54:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:35,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:35,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:35,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-13 08:54:35,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:54:35,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1641 [2020-10-13 08:54:35,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-13 08:54:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:54:35,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:35,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:35,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:35,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:54:35,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:35,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:35,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:54:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 08:54:35,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:54:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:35,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370483067] [2020-10-13 08:54:35,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:35,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:35,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039823483] [2020-10-13 08:54:35,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:35,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:35,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:35,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:35,715 INFO L87 Difference]: Start difference. First operand 558 states and 882 transitions. Second operand 5 states. [2020-10-13 08:54:36,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:36,735 INFO L93 Difference]: Finished difference Result 1124 states and 1785 transitions. [2020-10-13 08:54:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:36,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-13 08:54:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:36,744 INFO L225 Difference]: With dead ends: 1124 [2020-10-13 08:54:36,745 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:54:36,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:54:36,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-13 08:54:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 08:54:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 879 transitions. [2020-10-13 08:54:36,765 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 879 transitions. Word has length 209 [2020-10-13 08:54:36,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:36,766 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 879 transitions. [2020-10-13 08:54:36,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 879 transitions. [2020-10-13 08:54:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 08:54:36,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:54:36,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:54:36,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:54:36,770 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:54:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:54:36,770 INFO L82 PathProgramCache]: Analyzing trace with hash 266343749, now seen corresponding path program 1 times [2020-10-13 08:54:36,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:54:36,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758328918] [2020-10-13 08:54:36,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:54:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:36,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:36,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:39,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:40,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:40,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 08:54:40,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:54:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3313 [2020-10-13 08:54:40,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:54:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-13 08:54:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 08:54:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:54:40,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:54:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:40,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:54:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:54:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:54:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:54:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:54:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:54:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:54:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:54:40,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 08:54:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:54:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-13 08:54:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:54:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:54:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:54:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 08:54:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:54:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:54:40,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758328918] [2020-10-13 08:54:40,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:54:40,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:54:40,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366259393] [2020-10-13 08:54:40,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:54:40,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:54:40,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:54:40,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:54:40,632 INFO L87 Difference]: Start difference. First operand 558 states and 879 transitions. Second operand 5 states. [2020-10-13 08:54:41,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:54:41,649 INFO L93 Difference]: Finished difference Result 954 states and 1497 transitions. [2020-10-13 08:54:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:54:41,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-10-13 08:54:41,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:54:41,651 INFO L225 Difference]: With dead ends: 954 [2020-10-13 08:54:41,651 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:54:41,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:54:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:54:41,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:54:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:54:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:54:41,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-10-13 08:54:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:54:41,655 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:54:41,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:54:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:54:41,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:54:41,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:54:41,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:54:42,615 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-10-13 08:54:42,796 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-10-13 08:54:42,966 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-10-13 08:54:42,970 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:54:42,970 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:54:42,970 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:54:42,970 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:54:42,971 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,972 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:54:42,973 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:54:42,973 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:54:42,973 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:54:42,973 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:54:42,974 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:54:42,974 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:54:42,974 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:54:42,974 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,975 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,975 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,975 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:54:42,976 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:54:42,976 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:54:42,976 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:54:42,976 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:54:42,977 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:54:42,977 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:54:42,977 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:54:42,977 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:54:42,979 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,979 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,979 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,980 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:54:42,981 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:54:42,982 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:54:42,983 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,985 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:54:42,986 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:54:42,987 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:54:42,990 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse12 (= 7 |old(~a15~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= ~a24~0 |old(~a24~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (not (<= 1 |old(~a24~0)|))) (.cse6 (not (<= |old(~a24~0)| 1))) (.cse8 (not (<= 6 |old(~a21~0)|))) (.cse9 (not (<= |old(~a21~0)| 6))) (.cse10 (and .cse13 (<= 6 ~a21~0) .cse3 (<= ~a21~0 6) .cse14)) (.cse7 (and .cse13 .cse11 .cse3 .cse14)) (.cse0 (not (= |old(~a24~0)| 1))) (.cse1 (= 7 ~a15~0)) (.cse2 (= ~a24~0 1)) (.cse4 (not .cse12))) (and (or (not (= 7 |old(~a21~0)|)) .cse0 (and .cse1 .cse2 .cse3 (= 7 ~a21~0)) .cse4) (or .cse5 .cse6 (not (<= 528306 |old(~a12~0)|)) (not (<= |old(~a21~0)| 9)) .cse7 (not (<= 9 |old(~a21~0)|))) (or (and .cse1 (= ~a21~0 6) .cse2 .cse3) .cse0 (not (= 6 |old(~a21~0)|)) .cse4 (not (<= (+ |old(~a12~0)| 2797) 0))) (or .cse5 .cse6 (not (<= 81 |old(~a12~0)|)) .cse8 .cse9 .cse10) (or .cse0 (and .cse1 .cse2 (= ~a21~0 9) .cse3) (not (<= 12 |old(~a12~0)|)) (not (= 9 |old(~a21~0)|)) (not (<= |old(~a12~0)| 80)) .cse4) (or (not (= 10 |old(~a21~0)|)) .cse0 (and .cse1 .cse11 .cse2 .cse3) .cse4) (or .cse5 .cse6 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41))) .cse8 .cse9 .cse10) (or .cse7 .cse12) (or .cse0 (not (= 8 |old(~a21~0)|)) (and .cse1 .cse2 (= ~a21~0 8) .cse3) .cse4)))) [2020-10-13 08:54:42,990 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:54:42,991 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,993 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:54:42,994 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:54:42,995 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:54:42,996 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:54:42,997 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,998 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:54:42,999 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:54:43,000 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,002 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,003 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:54:43,004 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,006 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:54:43,007 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:54:43,008 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:54:43,008 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:54:43,008 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:54:43,009 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:54:43,010 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,011 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,012 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:54:43,012 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:54:43,012 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:54:43,012 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:54:43,013 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:54:43,013 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:54:43,013 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:54:43,013 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:54:43,014 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:54:43,015 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:54:43,016 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:54:43,016 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:54:43,016 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:54:43,016 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:54:43,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:54:43,017 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 8 ~a15~0) [2020-10-13 08:54:43,020 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:54:43,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:54:43,020 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 8 |old(~a15~0)|))) [2020-10-13 08:54:43,021 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:54:43,021 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= ~a24~0 1)) (.cse2 (<= 1 ~a24~0)) (.cse3 (<= 6 ~a21~0)) (.cse4 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= 7 ~a21~0)) (and (= ~a21~0 6) .cse0 (<= (+ ~a12~0 2797) 0)) (and (<= 528306 ~a12~0) (<= 9 ~a21~0) .cse1 .cse2 (<= ~a21~0 9)) (not (<= 8 |old(~a15~0)|)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~a21~0 8)) (and (= ~a21~0 10) .cse0) (not (= 7 ~a15~0)) (and .cse1 (<= 81 ~a12~0) .cse2 .cse3 .cse4) (and (<= 12 ~a12~0) .cse0 (<= ~a12~0 80) (= ~a21~0 9)))) [2020-10-13 08:54:43,022 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:54:43,022 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:54:43,022 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a24~0 1)) (.cse2 (<= 1 ~a24~0)) (.cse3 (<= 6 ~a21~0)) (.cse4 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= 7 ~a21~0)) (and (= ~a21~0 6) .cse0 (<= (+ ~a12~0 2797) 0)) (and (<= 528306 ~a12~0) (<= 9 ~a21~0) .cse1 .cse2 (<= ~a21~0 9)) (not (<= 8 |old(~a15~0)|)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~a21~0 8)) (and (= ~a21~0 10) .cse0) (not (= 7 ~a15~0)) (and .cse1 (<= 81 ~a12~0) .cse2 .cse3 .cse4) (and (<= 12 ~a12~0) .cse0 (<= ~a12~0 80) (= ~a21~0 9)))) [2020-10-13 08:54:43,022 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:54:43,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:54:43 BoogieIcfgContainer [2020-10-13 08:54:43,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:54:43,066 INFO L168 Benchmark]: Toolchain (without parser) took 35021.66 ms. Allocated memory was 145.8 MB in the beginning and 758.1 MB in the end (delta: 612.4 MB). Free memory was 100.0 MB in the beginning and 232.4 MB in the end (delta: -132.4 MB). Peak memory consumption was 480.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,067 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 119.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.94 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.0 MB in the beginning and 167.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,071 INFO L168 Benchmark]: Boogie Preprocessor took 190.33 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 162.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,073 INFO L168 Benchmark]: RCFGBuilder took 1507.55 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 161.1 MB in the beginning and 156.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,076 INFO L168 Benchmark]: TraceAbstraction took 32444.40 ms. Allocated memory was 238.6 MB in the beginning and 758.1 MB in the end (delta: 519.6 MB). Free memory was 156.3 MB in the beginning and 232.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 443.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:54:43,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 119.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 870.94 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 100.0 MB in the beginning and 167.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.33 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 162.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1507.55 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 161.1 MB in the beginning and 156.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32444.40 ms. Allocated memory was 238.6 MB in the beginning and 758.1 MB in the end (delta: 519.6 MB). Free memory was 156.3 MB in the beginning and 232.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 443.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((a24 == 1 && 7 == a21) || ((a21 == 6 && a24 == 1) && a12 + 2797 <= 0)) || ((((528306 <= a12 && 9 <= a21) && a24 <= 1) && 1 <= a24) && a21 <= 9)) || !(8 <= \old(a15))) || (((((0 <= a12 + 41 && a12 <= 10) && a24 <= 1) && 1 <= a24) && 6 <= a21) && a21 <= 6)) || (a24 == 1 && a21 == 8)) || (a21 == 10 && a24 == 1)) || !(7 == a15)) || ((((a24 <= 1 && 81 <= a12) && 1 <= a24) && 6 <= a21) && a21 <= 6)) || (((12 <= a12 && a24 == 1) && a12 <= 80) && a21 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.9s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 2854 SDslu, 194 SDs, 0 SdLazy, 7825 SolverSat, 552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 51 SyntacticMatches, 9 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=558occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 48 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 67 NumberOfFragments, 545 HoareAnnotationTreeSize, 43 FomulaSimplifications, 35318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 1521 NumberOfCodeBlocks, 1521 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1512 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 456/464 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...