/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:39:01,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:39:01,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:39:01,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:39:01,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:39:01,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:39:01,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:39:01,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:39:01,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:39:01,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:39:01,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:39:01,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:39:01,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:39:01,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:39:01,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:39:01,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:39:01,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:39:01,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:39:01,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:39:01,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:39:01,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:39:01,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:39:01,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:39:01,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:39:01,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:39:01,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:39:01,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:39:01,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:39:01,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:39:01,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:39:01,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:39:01,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:39:01,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:39:01,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:39:01,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:39:01,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:39:01,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:39:01,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:39:01,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:39:01,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:39:01,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:39:01,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 07:39:01,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:39:01,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:39:01,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:39:01,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:39:01,825 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:39:01,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:39:01,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:39:01,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:39:01,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:39:01,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:39:01,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:39:01,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:39:01,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:39:01,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:39:01,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:39:01,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:39:01,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:39:01,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:39:01,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:39:01,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:39:01,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:39:01,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:39:01,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:39:01,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:39:01,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:39:01,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:39:01,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:39:01,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:39:01,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:39:01,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:39:02,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:39:02,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:39:02,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:39:02,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:39:02,274 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:39:02,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59.c [2020-10-29 07:39:02,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5aa36ff0b/324988bf9ab04798b042d5b641d1374a/FLAG5a1222847 [2020-10-29 07:39:03,076 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:39:03,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label59.c [2020-10-29 07:39:03,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5aa36ff0b/324988bf9ab04798b042d5b641d1374a/FLAG5a1222847 [2020-10-29 07:39:03,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5aa36ff0b/324988bf9ab04798b042d5b641d1374a [2020-10-29 07:39:03,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:39:03,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:39:03,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:39:03,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:39:03,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:39:03,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:39:03" (1/1) ... [2020-10-29 07:39:03,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3387b0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:03, skipping insertion in model container [2020-10-29 07:39:03,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:39:03" (1/1) ... [2020-10-29 07:39:03,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:39:03,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:39:03,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:39:03,941 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:39:04,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:39:04,122 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:39:04,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04 WrapperNode [2020-10-29 07:39:04,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:39:04,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:39:04,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:39:04,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:39:04,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... [2020-10-29 07:39:04,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:39:04,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:39:04,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:39:04,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:39:04,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:39:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:39:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:39:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:39:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:39:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:39:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:39:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:39:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:39:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:39:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:39:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:39:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:39:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:39:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:39:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:39:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:39:05,859 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:39:05,860 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:39:05,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:39:05 BoogieIcfgContainer [2020-10-29 07:39:05,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:39:05,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:39:05,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:39:05,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:39:05,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:39:03" (1/3) ... [2020-10-29 07:39:05,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313020e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:39:05, skipping insertion in model container [2020-10-29 07:39:05,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:39:04" (2/3) ... [2020-10-29 07:39:05,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313020e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:39:05, skipping insertion in model container [2020-10-29 07:39:05,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:39:05" (3/3) ... [2020-10-29 07:39:05,870 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label59.c [2020-10-29 07:39:05,882 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:39:05,893 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:39:05,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:39:05,932 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:39:05,933 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:39:05,933 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:39:05,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:39:05,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:39:05,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:39:05,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:39:05,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:39:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:39:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 07:39:05,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:05,964 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] [2020-10-29 07:39:05,964 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:05,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2056143734, now seen corresponding path program 1 times [2020-10-29 07:39:05,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:05,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325546868] [2020-10-29 07:39:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:06,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:06,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 07:39:06,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-29 07:39:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:06,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:39:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:39:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 07:39:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:39:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:06,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:06,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:39:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:06,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:39:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:39:06,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325546868] [2020-10-29 07:39:06,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:39:06,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:39:06,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487462771] [2020-10-29 07:39:06,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:39:06,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:06,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:39:06,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:39:06,935 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:39:09,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:09,197 INFO L93 Difference]: Finished difference Result 703 states and 1244 transitions. [2020-10-29 07:39:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:39:09,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 07:39:09,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:09,216 INFO L225 Difference]: With dead ends: 703 [2020-10-29 07:39:09,216 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:39:09,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:39:09,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:39:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-10-29 07:39:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-29 07:39:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 540 transitions. [2020-10-29 07:39:09,314 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 540 transitions. Word has length 47 [2020-10-29 07:39:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:09,315 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 540 transitions. [2020-10-29 07:39:09,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:39:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 540 transitions. [2020-10-29 07:39:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 07:39:09,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:09,321 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:39:09,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:39:09,322 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:09,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2015811953, now seen corresponding path program 1 times [2020-10-29 07:39:09,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:09,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213948029] [2020-10-29 07:39:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:09,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:10,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 07:39:10,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:39:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1102 [2020-10-29 07:39:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:10,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:39:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:39:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 07:39:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:10,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:10,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:10,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:10,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:10,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:39:10,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:10,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:10,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:10,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:39:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:39:10,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:39:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:10,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:10,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:10,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 07:39:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 07:39:10,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:10,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:39:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:39:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:39:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:39:10,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213948029] [2020-10-29 07:39:10,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:39:10,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 07:39:10,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294439054] [2020-10-29 07:39:10,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:39:10,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:10,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:39:10,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:39:10,904 INFO L87 Difference]: Start difference. First operand 377 states and 540 transitions. Second operand 8 states. [2020-10-29 07:39:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:13,345 INFO L93 Difference]: Finished difference Result 1140 states and 1660 transitions. [2020-10-29 07:39:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:39:13,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-10-29 07:39:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:13,358 INFO L225 Difference]: With dead ends: 1140 [2020-10-29 07:39:13,358 INFO L226 Difference]: Without dead ends: 769 [2020-10-29 07:39:13,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 07:39:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-29 07:39:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 753. [2020-10-29 07:39:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-10-29 07:39:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1014 transitions. [2020-10-29 07:39:13,456 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1014 transitions. Word has length 117 [2020-10-29 07:39:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:13,456 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1014 transitions. [2020-10-29 07:39:13,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:39:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1014 transitions. [2020-10-29 07:39:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 07:39:13,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:13,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:39:13,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:39:13,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:13,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:13,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1705083987, now seen corresponding path program 1 times [2020-10-29 07:39:13,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:13,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657302413] [2020-10-29 07:39:13,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:13,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:13,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:14,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:14,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:39:14,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:39:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-29 07:39:14,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:14,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:39:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:39:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 07:39:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:14,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:14,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:14,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:14,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:39:14,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:14,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:14,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:14,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:14,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:39:14,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:14,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:39:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:14,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:14,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:14,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 07:39:14,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 07:39:14,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:14,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:39:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:39:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 07:39:14,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:39:14,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657302413] [2020-10-29 07:39:14,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:39:14,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 07:39:14,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911150377] [2020-10-29 07:39:14,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:39:14,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:14,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:39:14,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:39:14,764 INFO L87 Difference]: Start difference. First operand 753 states and 1014 transitions. Second operand 7 states. [2020-10-29 07:39:17,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:17,228 INFO L93 Difference]: Finished difference Result 1907 states and 2559 transitions. [2020-10-29 07:39:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:39:17,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-29 07:39:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:17,238 INFO L225 Difference]: With dead ends: 1907 [2020-10-29 07:39:17,239 INFO L226 Difference]: Without dead ends: 1160 [2020-10-29 07:39:17,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:39:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-10-29 07:39:17,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1133. [2020-10-29 07:39:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2020-10-29 07:39:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1442 transitions. [2020-10-29 07:39:17,305 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1442 transitions. Word has length 119 [2020-10-29 07:39:17,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:17,307 INFO L481 AbstractCegarLoop]: Abstraction has 1133 states and 1442 transitions. [2020-10-29 07:39:17,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:39:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1442 transitions. [2020-10-29 07:39:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-29 07:39:17,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:17,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:39:17,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:39:17,325 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:17,325 INFO L82 PathProgramCache]: Analyzing trace with hash 268981995, now seen corresponding path program 1 times [2020-10-29 07:39:17,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:17,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846087401] [2020-10-29 07:39:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:17,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:17,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-29 07:39:17,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:39:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-29 07:39:17,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:17,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:39:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-29 07:39:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 07:39:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:17,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:17,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:17,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:17,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:39:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:39:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:18,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:18,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 07:39:18,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 07:39:18,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:18,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 07:39:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:39:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:39:18,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846087401] [2020-10-29 07:39:18,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:39:18,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:39:18,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896453312] [2020-10-29 07:39:18,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:39:18,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:18,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:39:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:39:18,088 INFO L87 Difference]: Start difference. First operand 1133 states and 1442 transitions. Second operand 6 states. [2020-10-29 07:39:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:20,682 INFO L93 Difference]: Finished difference Result 3186 states and 4080 transitions. [2020-10-29 07:39:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:39:20,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-10-29 07:39:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:20,697 INFO L225 Difference]: With dead ends: 3186 [2020-10-29 07:39:20,698 INFO L226 Difference]: Without dead ends: 1873 [2020-10-29 07:39:20,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:39:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2020-10-29 07:39:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1685. [2020-10-29 07:39:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1685 states. [2020-10-29 07:39:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 1955 transitions. [2020-10-29 07:39:20,770 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 1955 transitions. Word has length 131 [2020-10-29 07:39:20,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:20,771 INFO L481 AbstractCegarLoop]: Abstraction has 1685 states and 1955 transitions. [2020-10-29 07:39:20,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:39:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1955 transitions. [2020-10-29 07:39:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-29 07:39:20,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:20,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:39:20,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:39:20,776 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:20,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:20,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1798584799, now seen corresponding path program 1 times [2020-10-29 07:39:20,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:20,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515996654] [2020-10-29 07:39:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:21,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:21,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:39:21,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 07:39:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 07:39:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:21,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:39:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:21,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:39:21,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:39:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:21,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:21,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:21,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:39:21,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:39:21,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:21,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:39:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 07:39:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:39:21,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515996654] [2020-10-29 07:39:21,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:39:21,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:39:21,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873306689] [2020-10-29 07:39:21,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:39:21,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:21,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:39:21,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:39:21,358 INFO L87 Difference]: Start difference. First operand 1685 states and 1955 transitions. Second operand 5 states. [2020-10-29 07:39:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:23,455 INFO L93 Difference]: Finished difference Result 3924 states and 4658 transitions. [2020-10-29 07:39:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:39:23,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-29 07:39:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:23,467 INFO L225 Difference]: With dead ends: 3924 [2020-10-29 07:39:23,467 INFO L226 Difference]: Without dead ends: 2427 [2020-10-29 07:39:23,471 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 [2020-10-29 07:39:23,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2020-10-29 07:39:23,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2059. [2020-10-29 07:39:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2020-10-29 07:39:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2406 transitions. [2020-10-29 07:39:23,534 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2406 transitions. Word has length 157 [2020-10-29 07:39:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:23,535 INFO L481 AbstractCegarLoop]: Abstraction has 2059 states and 2406 transitions. [2020-10-29 07:39:23,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:39:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2406 transitions. [2020-10-29 07:39:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-29 07:39:23,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:39:23,545 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:39:23,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:39:23,546 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:39:23,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:39:23,546 INFO L82 PathProgramCache]: Analyzing trace with hash -733610353, now seen corresponding path program 1 times [2020-10-29 07:39:23,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:39:23,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277405764] [2020-10-29 07:39:23,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:39:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:23,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:25,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:25,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-29 07:39:25,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:39:25,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1969 [2020-10-29 07:39:25,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:25,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:39:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:39:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-29 07:39:25,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:25,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:39:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:25,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:25,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:39:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:39:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:25,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:39:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:39:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:25,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:39:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:25,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:25,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:39:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:39:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:25,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:39:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:39:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:39:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:25,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:25,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:39:25,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:39:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:39:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:39:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:39:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:39:26,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:39:26,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:39:26,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:39:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 07:39:26,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:39:26,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:39:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:39:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:39:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 07:39:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:39:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 293 proven. 40 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 07:39:26,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277405764] [2020-10-29 07:39:26,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:39:26,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:39:26,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224423222] [2020-10-29 07:39:26,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:39:26,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:39:26,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:39:26,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:39:26,430 INFO L87 Difference]: Start difference. First operand 2059 states and 2406 transitions. Second operand 6 states. [2020-10-29 07:39:28,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:39:28,664 INFO L93 Difference]: Finished difference Result 4503 states and 5339 transitions. [2020-10-29 07:39:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:39:28,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 383 [2020-10-29 07:39:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:39:28,672 INFO L225 Difference]: With dead ends: 4503 [2020-10-29 07:39:28,672 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:39:28,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:39:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:39:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:39:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:39:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:39:28,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 383 [2020-10-29 07:39:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:39:28,683 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:39:28,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:39:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:39:28,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:39:28,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:39:28,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:39:29,232 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-29 07:39:29,727 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 37 [2020-10-29 07:39:29,831 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-29 07:39:29,981 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:39:29,981 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:39:29,981 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:39:29,981 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:39:29,981 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:39:29,982 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 07:39:29,982 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:39:29,982 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:39:29,982 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 07:39:29,982 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:39:29,982 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:39:29,983 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,984 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:39:29,985 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:39:29,986 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:39:29,987 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:39:29,988 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:39:30,005 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:39:30,005 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,006 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,007 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:39:30,008 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,009 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,009 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,009 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:39:30,009 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse4 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse0 (and .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3))) (and (or (= 8 |old(~a15~0)|) .cse0) (or (not (= 7 |old(~a21~0)|)) (and .cse1 .cse2 (= 7 ~a21~0) .cse3) .cse4) (or (not (= 10 |old(~a21~0)|)) .cse0 .cse4) (or .cse0 (not (<= 0 (+ |old(~a12~0)| 2))))))) [2020-10-29 07:39:30,009 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:39:30,009 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L270 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= (+ |old(~a12~0)| 49) 0)))) (and (= 8 |old(~a15~0)|) (not (<= 0 (+ |old(~a12~0)| 2))) (or (not (= 7 |old(~a21~0)|)) .cse0) (or (not (= 10 |old(~a21~0)|)) .cse0))) [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L126-1(line 126) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,010 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:39:30,011 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:39:30,012 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:39:30,013 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:39:30,014 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:39:30,015 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,016 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,017 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:39:30,018 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:39:30,019 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,020 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:39:30,021 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:39:30,022 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:39:30,023 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:39:30,024 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (= 7 ~a21~0)) [2020-10-29 07:39:30,024 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:39:30,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:39:30,025 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-29 07:39:30,025 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= ~a12~0 |old(~a12~0)|))) (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) .cse0 (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (= ~a15~0 8)) (not (<= |old(~a15~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= ~a21~0 10) .cse0) (<= 0 (+ ~a12~0 2)))) [2020-10-29 07:39:30,025 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:39:30,025 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:39:30,025 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:39:30,026 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= ~a12~0 |old(~a12~0)|))) (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) .cse0 (= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|)) (not (= ~a15~0 8)) (not (<= |old(~a15~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= ~a21~0 10) .cse0) (<= 0 (+ ~a12~0 2)))) [2020-10-29 07:39:30,026 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:39:30,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:39:30 BoogieIcfgContainer [2020-10-29 07:39:30,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:39:30,047 INFO L168 Benchmark]: Toolchain (without parser) took 26727.31 ms. Allocated memory was 168.8 MB in the beginning and 508.6 MB in the end (delta: 339.7 MB). Free memory was 142.8 MB in the beginning and 468.3 MB in the end (delta: -325.5 MB). Peak memory consumption was 304.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:39:30,048 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 102.4 MB in the beginning and 102.3 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:39:30,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.73 ms. Allocated memory is still 168.8 MB. Free memory was 142.2 MB in the beginning and 141.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2020-10-29 07:39:30,050 INFO L168 Benchmark]: Boogie Preprocessor took 175.59 ms. Allocated memory is still 168.8 MB. Free memory was 141.1 MB in the beginning and 135.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:39:30,050 INFO L168 Benchmark]: RCFGBuilder took 1560.61 ms. Allocated memory is still 168.8 MB. Free memory was 135.5 MB in the beginning and 102.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. [2020-10-29 07:39:30,051 INFO L168 Benchmark]: TraceAbstraction took 24181.37 ms. Allocated memory was 168.8 MB in the beginning and 508.6 MB in the end (delta: 339.7 MB). Free memory was 101.9 MB in the beginning and 468.3 MB in the end (delta: -366.4 MB). Peak memory consumption was 262.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:39:30,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 102.4 MB in the beginning and 102.3 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 795.73 ms. Allocated memory is still 168.8 MB. Free memory was 142.2 MB in the beginning and 141.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 175.59 ms. Allocated memory is still 168.8 MB. Free memory was 141.1 MB in the beginning and 135.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1560.61 ms. Allocated memory is still 168.8 MB. Free memory was 135.5 MB in the beginning and 102.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24181.37 ms. Allocated memory was 168.8 MB in the beginning and 508.6 MB in the end (delta: 339.7 MB). Free memory was 101.9 MB in the beginning and 468.3 MB in the end (delta: -366.4 MB). Peak memory consumption was 262.2 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: 882]: Loop Invariant Derived loop invariant: (((((!(7 == \old(a21)) || (((a24 == \old(a24) && a12 == \old(a12)) && 7 == a21) && a15 == \old(a15))) || !(a15 == 8)) || !(\old(a15) <= 8)) || !(\old(a12) + 49 <= 0)) || (a21 == 10 && a12 == \old(a12))) || 0 <= a12 + 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 3450 SDslu, 165 SDs, 0 SdLazy, 6256 SolverSat, 1175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2059occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 603 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 106 PreInvPairs, 142 NumberOfFragments, 309 HoareAnnotationTreeSize, 106 FomulaSimplifications, 5022 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1950 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 948 ConstructedInterpolants, 0 QuantifiedInterpolants, 518848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 559/601 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...