/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:09:14,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:09:14,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:09:14,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:09:14,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:09:14,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:09:14,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:09:14,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:09:14,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:09:14,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:09:14,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:09:14,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:09:14,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:09:14,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:09:14,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:09:14,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:09:14,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:09:14,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:09:14,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:09:14,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:09:14,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:09:14,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:09:14,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:09:14,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:09:14,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:09:14,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:09:14,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:09:14,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:09:14,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:09:14,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:09:14,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:09:14,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:09:14,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:09:14,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:09:14,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:09:14,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:09:14,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:09:14,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:09:14,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:09:14,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:09:14,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:09:14,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:09:14,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:09:14,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:09:14,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:09:14,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:09:14,786 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:09:14,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:09:14,787 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:09:14,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:09:14,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:09:14,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:09:14,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:09:14,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:09:14,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:09:14,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:09:14,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:09:14,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:09:14,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:09:14,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:09:14,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:09:14,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:09:14,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:09:14,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:09:14,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:09:14,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:09:14,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:09:14,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:09:14,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:09:14,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:09:14,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:09:14,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:09:15,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:09:15,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:09:15,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:09:15,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:09:15,252 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:09:15,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-28 10:09:15,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4701f91/331f01913cc24832a437bdb56450c25d/FLAG310f70c5f [2020-10-28 10:09:16,171 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:09:16,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-10-28 10:09:16,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4701f91/331f01913cc24832a437bdb56450c25d/FLAG310f70c5f [2020-10-28 10:09:16,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4701f91/331f01913cc24832a437bdb56450c25d [2020-10-28 10:09:16,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:09:16,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:09:16,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:09:16,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:09:16,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:09:16,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:09:16" (1/1) ... [2020-10-28 10:09:16,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:16, skipping insertion in model container [2020-10-28 10:09:16,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:09:16" (1/1) ... [2020-10-28 10:09:16,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:09:16,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:09:16,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:09:16,875 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:09:16,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:09:17,016 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:09:17,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17 WrapperNode [2020-10-28 10:09:17,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:09:17,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:09:17,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:09:17,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:09:17,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... [2020-10-28 10:09:17,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:09:17,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:09:17,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:09:17,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:09:17,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:09:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:09:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:09:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:09:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:09:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:09:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:09:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:09:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:09:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:09:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:09:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:09:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:09:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:09:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:09:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:09:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:09:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:09:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:09:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:09:18,732 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:09:18,732 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:09:18,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:09:18 BoogieIcfgContainer [2020-10-28 10:09:18,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:09:18,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:09:18,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:09:18,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:09:18,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:09:16" (1/3) ... [2020-10-28 10:09:18,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:09:18, skipping insertion in model container [2020-10-28 10:09:18,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:09:17" (2/3) ... [2020-10-28 10:09:18,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:09:18, skipping insertion in model container [2020-10-28 10:09:18,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:09:18" (3/3) ... [2020-10-28 10:09:18,744 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-10-28 10:09:18,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:09:18,764 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:09:18,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:09:18,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:09:18,816 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:09:18,816 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:09:18,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:09:18,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:09:18,816 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:09:18,816 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:09:18,817 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:09:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:09:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-28 10:09:18,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:18,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:18,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1557066117, now seen corresponding path program 1 times [2020-10-28 10:09:18,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:18,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588243728] [2020-10-28 10:09:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:19,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:19,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:21,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 10:09:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:09:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2382 [2020-10-28 10:09:21,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:21,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:09:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:09:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 10:09:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 10:09:21,942 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:09:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:21,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:21,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:21,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 10:09:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:21,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:09:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:22,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588243728] [2020-10-28 10:09:22,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:09:22,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:09:22,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235722318] [2020-10-28 10:09:22,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:09:22,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:22,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:09:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:09:22,102 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:09:22,293 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:09:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:24,298 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-28 10:09:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:24,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-10-28 10:09:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:24,336 INFO L225 Difference]: With dead ends: 667 [2020-10-28 10:09:24,337 INFO L226 Difference]: Without dead ends: 342 [2020-10-28 10:09:24,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:24,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-28 10:09:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-28 10:09:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-28 10:09:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-28 10:09:24,459 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 133 [2020-10-28 10:09:24,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:24,460 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-28 10:09:24,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:09:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-28 10:09:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 10:09:24,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:24,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:24,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:09:24,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:24,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:24,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1559091247, now seen corresponding path program 1 times [2020-10-28 10:09:24,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:24,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912349612] [2020-10-28 10:09:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:24,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:25,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:26,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:26,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 10:09:26,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:09:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-28 10:09:26,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:26,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:09:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:09:26,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:26,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:26,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:26,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:26,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:26,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:09:26,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:26,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:26,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:26,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:09:26,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:09:26,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:26,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:09:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:26,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912349612] [2020-10-28 10:09:26,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:26,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:09:26,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387358106] [2020-10-28 10:09:26,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:09:26,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:26,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:09:26,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:26,362 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 6 states. [2020-10-28 10:09:26,533 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:09:28,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:28,311 INFO L93 Difference]: Finished difference Result 965 states and 1422 transitions. [2020-10-28 10:09:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:28,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-28 10:09:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:28,330 INFO L225 Difference]: With dead ends: 965 [2020-10-28 10:09:28,330 INFO L226 Difference]: Without dead ends: 633 [2020-10-28 10:09:28,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:09:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-28 10:09:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 484. [2020-10-28 10:09:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-28 10:09:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 714 transitions. [2020-10-28 10:09:28,419 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 714 transitions. Word has length 141 [2020-10-28 10:09:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:28,420 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 714 transitions. [2020-10-28 10:09:28,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:09:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 714 transitions. [2020-10-28 10:09:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-28 10:09:28,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:28,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:28,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:09:28,431 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:28,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1409216108, now seen corresponding path program 1 times [2020-10-28 10:09:28,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:28,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237119593] [2020-10-28 10:09:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:28,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:30,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 10:09:30,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1532 [2020-10-28 10:09:30,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:30,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 10:09:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:09:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:30,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:30,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:30,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:30,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:30,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:09:30,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:30,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:30,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:30,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:09:30,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:09:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:30,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:09:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:30,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237119593] [2020-10-28 10:09:30,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:30,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:30,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651557333] [2020-10-28 10:09:30,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:30,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:30,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:30,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:30,301 INFO L87 Difference]: Start difference. First operand 484 states and 714 transitions. Second operand 5 states. [2020-10-28 10:09:32,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:32,217 INFO L93 Difference]: Finished difference Result 1419 states and 2139 transitions. [2020-10-28 10:09:32,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:32,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-28 10:09:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:32,232 INFO L225 Difference]: With dead ends: 1419 [2020-10-28 10:09:32,232 INFO L226 Difference]: Without dead ends: 941 [2020-10-28 10:09:32,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-28 10:09:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 790. [2020-10-28 10:09:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-28 10:09:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1087 transitions. [2020-10-28 10:09:32,274 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1087 transitions. Word has length 155 [2020-10-28 10:09:32,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:32,275 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1087 transitions. [2020-10-28 10:09:32,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1087 transitions. [2020-10-28 10:09:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 10:09:32,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:32,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:32,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:09:32,280 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:32,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash -875250468, now seen corresponding path program 1 times [2020-10-28 10:09:32,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:32,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564761449] [2020-10-28 10:09:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:32,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:33,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-28 10:09:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1145 [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:09:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:33,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:33,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:33,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:33,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:09:33,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:33,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:33,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:33,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:33,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:09:33,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 10:09:33,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:33,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:33,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:09:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:33,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564761449] [2020-10-28 10:09:33,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:33,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:33,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532647484] [2020-10-28 10:09:33,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:33,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:33,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:33,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:33,744 INFO L87 Difference]: Start difference. First operand 790 states and 1087 transitions. Second operand 5 states. [2020-10-28 10:09:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:35,368 INFO L93 Difference]: Finished difference Result 2318 states and 3268 transitions. [2020-10-28 10:09:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:35,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-28 10:09:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:35,382 INFO L225 Difference]: With dead ends: 2318 [2020-10-28 10:09:35,382 INFO L226 Difference]: Without dead ends: 1534 [2020-10-28 10:09:35,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-28 10:09:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1384. [2020-10-28 10:09:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2020-10-28 10:09:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1756 transitions. [2020-10-28 10:09:35,467 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1756 transitions. Word has length 159 [2020-10-28 10:09:35,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:35,467 INFO L481 AbstractCegarLoop]: Abstraction has 1384 states and 1756 transitions. [2020-10-28 10:09:35,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1756 transitions. [2020-10-28 10:09:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 10:09:35,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:35,474 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:35,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:09:35,475 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:35,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:35,476 INFO L82 PathProgramCache]: Analyzing trace with hash 137016229, now seen corresponding path program 1 times [2020-10-28 10:09:35,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:35,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688862832] [2020-10-28 10:09:35,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:35,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:36,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:37,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:37,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-28 10:09:37,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:09:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2345 [2020-10-28 10:09:37,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:37,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 10:09:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:09:37,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:38,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:38,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:09:38,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:38,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:38,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:38,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:09:38,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 10:09:38,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:38,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:38,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:09:38,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:09:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:09:38,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:38,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 10:09:38,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:38,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 10:09:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:09:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 10:09:38,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688862832] [2020-10-28 10:09:38,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:38,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:38,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394829283] [2020-10-28 10:09:38,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:38,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:38,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:38,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:38,184 INFO L87 Difference]: Start difference. First operand 1384 states and 1756 transitions. Second operand 5 states. [2020-10-28 10:09:38,458 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 10:09:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:40,172 INFO L93 Difference]: Finished difference Result 3495 states and 4572 transitions. [2020-10-28 10:09:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:40,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-28 10:09:40,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:40,188 INFO L225 Difference]: With dead ends: 3495 [2020-10-28 10:09:40,188 INFO L226 Difference]: Without dead ends: 2117 [2020-10-28 10:09:40,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2020-10-28 10:09:40,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2111. [2020-10-28 10:09:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2111 states. [2020-10-28 10:09:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2612 transitions. [2020-10-28 10:09:40,271 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2612 transitions. Word has length 172 [2020-10-28 10:09:40,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:40,272 INFO L481 AbstractCegarLoop]: Abstraction has 2111 states and 2612 transitions. [2020-10-28 10:09:40,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2612 transitions. [2020-10-28 10:09:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-28 10:09:40,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:40,282 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:40,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:09:40,282 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:40,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:40,283 INFO L82 PathProgramCache]: Analyzing trace with hash -992410232, now seen corresponding path program 1 times [2020-10-28 10:09:40,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:40,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309878456] [2020-10-28 10:09:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:42,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:45,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:45,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-28 10:09:45,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:09:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 10:09:45,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:45,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 10:09:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 10:09:45,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:45,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:45,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:45,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:45,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:45,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:09:45,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:45,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:45,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:45,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:45,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:45,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:45,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:09:45,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:45,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:09:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:45,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:45,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 10:09:45,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 10:09:45,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:45,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 10:09:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:09:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 10:09:45,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309878456] [2020-10-28 10:09:45,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:45,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:45,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292805370] [2020-10-28 10:09:45,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:45,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:45,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:45,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:45,755 INFO L87 Difference]: Start difference. First operand 2111 states and 2612 transitions. Second operand 5 states. [2020-10-28 10:09:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:47,313 INFO L93 Difference]: Finished difference Result 5864 states and 7397 transitions. [2020-10-28 10:09:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:47,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-10-28 10:09:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:47,341 INFO L225 Difference]: With dead ends: 5864 [2020-10-28 10:09:47,342 INFO L226 Difference]: Without dead ends: 3759 [2020-10-28 10:09:47,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:47,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2020-10-28 10:09:47,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3154. [2020-10-28 10:09:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3154 states. [2020-10-28 10:09:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 3949 transitions. [2020-10-28 10:09:47,504 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 3949 transitions. Word has length 212 [2020-10-28 10:09:47,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:47,504 INFO L481 AbstractCegarLoop]: Abstraction has 3154 states and 3949 transitions. [2020-10-28 10:09:47,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3949 transitions. [2020-10-28 10:09:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-28 10:09:47,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:47,520 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:47,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:09:47,520 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:47,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:47,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1807106779, now seen corresponding path program 1 times [2020-10-28 10:09:47,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:47,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611198205] [2020-10-28 10:09:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:47,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:48,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:50,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:52,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-28 10:09:52,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 10:09:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 10:09:52,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:52,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 10:09:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-28 10:09:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:52,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:52,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:52,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:52,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:09:52,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:52,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:52,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:52,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:52,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:52,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:09:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:52,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:09:52,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:52,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 10:09:52,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:52,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:52,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 10:09:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:52,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:52,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:52,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 10:09:52,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:09:52,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 10:09:52,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:52,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:52,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:52,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:52,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 10:09:52,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 10:09:53,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611198205] [2020-10-28 10:09:53,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:53,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:53,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500564179] [2020-10-28 10:09:53,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:53,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:53,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:53,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:53,060 INFO L87 Difference]: Start difference. First operand 3154 states and 3949 transitions. Second operand 5 states. [2020-10-28 10:09:53,206 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-28 10:09:54,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:54,874 INFO L93 Difference]: Finished difference Result 7640 states and 9659 transitions. [2020-10-28 10:09:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:54,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2020-10-28 10:09:54,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:54,885 INFO L225 Difference]: With dead ends: 7640 [2020-10-28 10:09:54,885 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:09:54,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:09:54,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:09:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:09:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:09:54,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-10-28 10:09:54,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:54,904 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:09:54,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:09:54,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:09:54,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:09:54,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:09:56,078 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 21 [2020-10-28 10:09:56,182 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 28 [2020-10-28 10:09:56,862 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 40 [2020-10-28 10:09:57,043 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:09:57,044 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:09:57,044 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:09:57,044 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:09:57,044 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:57,045 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:09:57,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:57,045 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:09:57,045 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:09:57,045 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:09:57,045 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:09:57,046 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,047 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:09:57,048 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,049 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:09:57,050 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:09:57,051 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:09:57,052 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:09:57,052 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:09:57,052 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:09:57,052 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:09:57,052 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:09:57,053 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,053 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,053 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,053 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,053 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:09:57,054 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,055 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:09:57,056 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,057 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:09:57,058 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:09:57,059 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,060 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:09:57,061 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:09:57,062 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,063 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L270 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (and (not (< 1 |old(~a25~0)|)) (= |old(~a19~0)| 1) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|))) [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:09:57,064 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,065 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:09:57,066 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:09:57,067 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 .cse3 .cse4))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or .cse0 (and (not (< 1 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)))) (or (and .cse1 .cse2 .cse3 (= 7 ~a28~0) .cse4) (not (= 7 |old(~a28~0)|))) (or (= |old(~a19~0)| 1) .cse0) (or (not (<= 8 |old(~a17~0)|)) .cse0)))) [2020-10-28 10:09:57,067 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:09:57,067 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:09:57,067 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,068 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:09:57,069 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,070 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:09:57,071 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:09:57,072 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:09:57,073 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:09:57,074 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:09:57,074 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:09:57,074 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:09:57,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:57,074 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 0) (<= 8 ~a17~0) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-28 10:09:57,074 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:09:57,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:57,075 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (< 1 ~a25~0) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0) (not (= 7 |old(~a28~0)|)) (<= ~a25~0 0)) [2020-10-28 10:09:57,075 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 7 |old(~a28~0)|))) [2020-10-28 10:09:57,075 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:09:57,075 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:09:57,075 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (< 1 ~a25~0) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (not (= ~a19~0 1)) (= 7 ~a28~0) (not (= 0 |old(~a25~0)|)) (= ~a11~0 0) (not (= 7 |old(~a28~0)|)) (<= ~a25~0 0)) [2020-10-28 10:09:57,075 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:09:57,075 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:09:57,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:09:57 BoogieIcfgContainer [2020-10-28 10:09:57,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:09:57,099 INFO L168 Benchmark]: Toolchain (without parser) took 40731.45 ms. Allocated memory was 167.8 MB in the beginning and 814.7 MB in the end (delta: 647.0 MB). Free memory was 141.4 MB in the beginning and 666.9 MB in the end (delta: -525.5 MB). Peak memory consumption was 486.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:57,099 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:09:57,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.08 ms. Allocated memory is still 167.8 MB. Free memory was 140.7 MB in the beginning and 115.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:57,101 INFO L168 Benchmark]: Boogie Preprocessor took 133.78 ms. Allocated memory is still 167.8 MB. Free memory was 115.1 MB in the beginning and 110.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:57,102 INFO L168 Benchmark]: RCFGBuilder took 1581.36 ms. Allocated memory is still 167.8 MB. Free memory was 110.3 MB in the beginning and 72.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:57,103 INFO L168 Benchmark]: TraceAbstraction took 38360.06 ms. Allocated memory was 167.8 MB in the beginning and 814.7 MB in the end (delta: 647.0 MB). Free memory was 71.9 MB in the beginning and 666.9 MB in the end (delta: -595.0 MB). Peak memory consumption was 417.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:57,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 645.08 ms. Allocated memory is still 167.8 MB. Free memory was 140.7 MB in the beginning and 115.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.78 ms. Allocated memory is still 167.8 MB. Free memory was 115.1 MB in the beginning and 110.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1581.36 ms. Allocated memory is still 167.8 MB. Free memory was 110.3 MB in the beginning and 72.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38360.06 ms. Allocated memory was 167.8 MB in the beginning and 814.7 MB in the end (delta: 647.0 MB). Free memory was 71.9 MB in the beginning and 666.9 MB in the end (delta: -595.0 MB). Peak memory consumption was 417.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((!(8 <= \old(a17)) || 1 < a25) || !(0 == \old(a11))) || 8 <= a17) || !(a19 == 1)) || 7 == a28) || !(0 == \old(a25))) || a11 == 0) || !(7 == \old(a28))) || a25 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 2815 SDslu, 247 SDs, 0 SdLazy, 4834 SolverSat, 772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3154occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1065 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 185 PreInvPairs, 247 NumberOfFragments, 336 HoareAnnotationTreeSize, 185 FomulaSimplifications, 59928 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4420 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 797938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 267/277 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...