/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:27:22,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:27:22,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:27:22,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:27:22,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:27:22,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:27:22,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:27:22,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:27:22,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:27:22,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:27:22,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:27:22,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:27:22,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:27:22,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:27:22,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:27:22,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:27:22,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:27:22,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:27:22,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:27:22,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:27:22,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:27:22,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:27:22,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:27:22,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:27:22,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:27:22,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:27:22,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:27:22,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:27:22,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:27:22,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:27:22,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:27:22,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:27:22,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:27:22,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:27:22,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:27:22,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:27:22,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:27:22,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:27:22,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:27:22,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:27:22,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:27:22,952 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 [2020-10-27 17:27:22,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:27:22,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:27:22,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:27:22,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:27:22,982 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:27:22,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:27:22,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:27:22,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:27:22,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:27:22,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:27:22,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:27:22,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:27:22,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:27:22,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:27:22,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:27:22,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:27:22,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:27:22,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:27:22,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:27:22,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:27:22,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:27:22,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:27:22,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:27:22,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:27:22,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:27:23,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:27:23,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:27:23,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:27:23,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:27:23,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:27:23,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-27 17:27:23,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d50c44b9/e2fcefedaa924f2598bbfc97e93339bb/FLAGceb03708a [2020-10-27 17:27:24,130 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:27:24,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-10-27 17:27:24,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d50c44b9/e2fcefedaa924f2598bbfc97e93339bb/FLAGceb03708a [2020-10-27 17:27:24,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d50c44b9/e2fcefedaa924f2598bbfc97e93339bb [2020-10-27 17:27:24,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:27:24,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:27:24,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:24,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:27:24,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:27:24,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:24" (1/1) ... [2020-10-27 17:27:24,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28989fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:24, skipping insertion in model container [2020-10-27 17:27:24,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:24" (1/1) ... [2020-10-27 17:27:24,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:27:24,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:27:24,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:24,849 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:27:25,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:25,100 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:27:25,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25 WrapperNode [2020-10-27 17:27:25,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:25,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:27:25,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:27:25,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:27:25,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... [2020-10-27 17:27:25,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:27:25,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:27:25,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:27:25,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:27:25,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:27:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:27:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:27:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:27:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:27:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:27:26,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:27:26,642 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:27:26,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:26 BoogieIcfgContainer [2020-10-27 17:27:26,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:27:26,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:27:26,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:27:26,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:27:26,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:27:24" (1/3) ... [2020-10-27 17:27:26,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db3340b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:26, skipping insertion in model container [2020-10-27 17:27:26,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:25" (2/3) ... [2020-10-27 17:27:26,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db3340b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:26, skipping insertion in model container [2020-10-27 17:27:26,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:26" (3/3) ... [2020-10-27 17:27:26,652 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-10-27 17:27:26,662 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:27:26,668 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:27:26,682 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:27:26,728 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:27:26,728 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:27:26,729 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:27:26,729 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:27:26,729 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:27:26,729 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:27:26,729 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:27:26,729 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:27:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:27:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 17:27:26,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:26,772 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] [2020-10-27 17:27:26,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:26,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:26,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1838550252, now seen corresponding path program 1 times [2020-10-27 17:27:26,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:26,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465999484] [2020-10-27 17:27:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:27,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:27,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:27,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 17:27:27,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-27 17:27:27,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:27:27,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:27:27,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 17:27:27,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:27,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:27,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:27,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:27,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:27:27,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:27,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:27,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:27:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:27,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465999484] [2020-10-27 17:27:27,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:27:27,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 17:27:27,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561544244] [2020-10-27 17:27:27,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:27,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:27,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:27,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:27,897 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-27 17:27:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:30,281 INFO L93 Difference]: Finished difference Result 735 states and 1308 transitions. [2020-10-27 17:27:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:27:30,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-27 17:27:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:30,299 INFO L225 Difference]: With dead ends: 735 [2020-10-27 17:27:30,299 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:27:30,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:27:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:27:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-27 17:27:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-27 17:27:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 649 transitions. [2020-10-27 17:27:30,399 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 649 transitions. Word has length 34 [2020-10-27 17:27:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:30,399 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 649 transitions. [2020-10-27 17:27:30,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 649 transitions. [2020-10-27 17:27:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 17:27:30,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:30,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:30,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:27:30,406 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:30,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1614442104, now seen corresponding path program 1 times [2020-10-27 17:27:30,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:30,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205713985] [2020-10-27 17:27:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:30,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:30,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:30,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 17:27:30,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:27:30,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-27 17:27:30,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 17:27:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:27:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:31,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:31,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:31,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:31,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:31,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:31,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 17:27:31,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:31,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 17:27:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 17:27:31,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:27:31,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:31,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205713985] [2020-10-27 17:27:31,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:31,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:31,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464370757] [2020-10-27 17:27:31,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:31,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:31,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:31,427 INFO L87 Difference]: Start difference. First operand 442 states and 649 transitions. Second operand 5 states. [2020-10-27 17:27:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:32,452 INFO L93 Difference]: Finished difference Result 907 states and 1335 transitions. [2020-10-27 17:27:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:32,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-27 17:27:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:32,457 INFO L225 Difference]: With dead ends: 907 [2020-10-27 17:27:32,458 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:27:32,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:27:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-27 17:27:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-27 17:27:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 646 transitions. [2020-10-27 17:27:32,497 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 646 transitions. Word has length 113 [2020-10-27 17:27:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:32,498 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 646 transitions. [2020-10-27 17:27:32,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 646 transitions. [2020-10-27 17:27:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 17:27:32,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:32,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:32,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:27:32,504 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:32,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:32,504 INFO L82 PathProgramCache]: Analyzing trace with hash -384153952, now seen corresponding path program 1 times [2020-10-27 17:27:32,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:32,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51086319] [2020-10-27 17:27:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:32,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:32,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:33,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:33,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 17:27:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1270 [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 17:27:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:33,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:33,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:33,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:33,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:33,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:33,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:33,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:33,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:34,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:34,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 17:27:34,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 17:27:34,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:27:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:34,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51086319] [2020-10-27 17:27:34,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:34,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:34,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038215880] [2020-10-27 17:27:34,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:34,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:34,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:34,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:34,147 INFO L87 Difference]: Start difference. First operand 442 states and 646 transitions. Second operand 5 states. [2020-10-27 17:27:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:35,613 INFO L93 Difference]: Finished difference Result 1323 states and 1981 transitions. [2020-10-27 17:27:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:35,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-27 17:27:35,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:35,627 INFO L225 Difference]: With dead ends: 1323 [2020-10-27 17:27:35,627 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:27:35,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:35,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:27:35,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 879. [2020-10-27 17:27:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1197 transitions. [2020-10-27 17:27:35,706 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1197 transitions. Word has length 116 [2020-10-27 17:27:35,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:35,707 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1197 transitions. [2020-10-27 17:27:35,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1197 transitions. [2020-10-27 17:27:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 17:27:35,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:35,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:35,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:27:35,722 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:35,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:35,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1880372080, now seen corresponding path program 1 times [2020-10-27 17:27:35,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:35,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238431675] [2020-10-27 17:27:35,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:36,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:36,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:37,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:37,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 17:27:37,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:27:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1263 [2020-10-27 17:27:37,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 17:27:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 17:27:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:37,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:37,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:27:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:37,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:37,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:27:37,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 17:27:37,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:27:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:37,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238431675] [2020-10-27 17:27:37,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:37,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:37,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886913102] [2020-10-27 17:27:37,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:37,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:37,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:37,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:37,312 INFO L87 Difference]: Start difference. First operand 879 states and 1197 transitions. Second operand 5 states. [2020-10-27 17:27:38,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:38,282 INFO L93 Difference]: Finished difference Result 1775 states and 2437 transitions. [2020-10-27 17:27:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:38,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-27 17:27:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:38,290 INFO L225 Difference]: With dead ends: 1775 [2020-10-27 17:27:38,290 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:27:38,293 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 [2020-10-27 17:27:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:27:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 879. [2020-10-27 17:27:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1194 transitions. [2020-10-27 17:27:38,340 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1194 transitions. Word has length 124 [2020-10-27 17:27:38,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:38,342 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1194 transitions. [2020-10-27 17:27:38,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1194 transitions. [2020-10-27 17:27:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 17:27:38,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:38,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:38,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:27:38,350 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:38,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:38,351 INFO L82 PathProgramCache]: Analyzing trace with hash -353086848, now seen corresponding path program 1 times [2020-10-27 17:27:38,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:38,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442410068] [2020-10-27 17:27:38,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:38,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:39,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:39,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:39,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:27:39,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-10-27 17:27:39,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-27 17:27:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:27:39,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:39,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:39,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:39,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:39,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:39,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:39,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 17:27:39,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:39,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 17:27:39,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:27:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:39,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442410068] [2020-10-27 17:27:39,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:39,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:39,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914332524] [2020-10-27 17:27:39,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:39,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:39,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:39,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:39,892 INFO L87 Difference]: Start difference. First operand 879 states and 1194 transitions. Second operand 5 states. [2020-10-27 17:27:40,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:40,897 INFO L93 Difference]: Finished difference Result 1777 states and 2433 transitions. [2020-10-27 17:27:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:40,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 17:27:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:40,907 INFO L225 Difference]: With dead ends: 1777 [2020-10-27 17:27:40,907 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:27:40,911 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 [2020-10-27 17:27:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:27:40,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 879. [2020-10-27 17:27:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1191 transitions. [2020-10-27 17:27:40,947 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1191 transitions. Word has length 132 [2020-10-27 17:27:40,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:40,948 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1191 transitions. [2020-10-27 17:27:40,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1191 transitions. [2020-10-27 17:27:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 17:27:40,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:40,952 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:40,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:27:40,952 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:40,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1757834012, now seen corresponding path program 1 times [2020-10-27 17:27:40,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:40,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047068837] [2020-10-27 17:27:40,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:41,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:41,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:41,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 17:27:41,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:41,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-10-27 17:27:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 17:27:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 17:27:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:41,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:41,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:41,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:41,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:27:41,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:42,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:42,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 17:27:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:42,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047068837] [2020-10-27 17:27:42,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:42,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:42,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341336400] [2020-10-27 17:27:42,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:42,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:42,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:42,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:42,079 INFO L87 Difference]: Start difference. First operand 879 states and 1191 transitions. Second operand 5 states. [2020-10-27 17:27:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:43,345 INFO L93 Difference]: Finished difference Result 1035 states and 1447 transitions. [2020-10-27 17:27:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:43,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-27 17:27:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:43,354 INFO L225 Difference]: With dead ends: 1035 [2020-10-27 17:27:43,355 INFO L226 Difference]: Without dead ends: 1032 [2020-10-27 17:27:43,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-27 17:27:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 879. [2020-10-27 17:27:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1190 transitions. [2020-10-27 17:27:43,389 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1190 transitions. Word has length 146 [2020-10-27 17:27:43,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:43,390 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1190 transitions. [2020-10-27 17:27:43,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1190 transitions. [2020-10-27 17:27:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 17:27:43,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:43,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:43,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:27:43,393 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:43,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:43,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1666314792, now seen corresponding path program 1 times [2020-10-27 17:27:43,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:43,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992738404] [2020-10-27 17:27:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:43,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:44,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 17:27:44,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1562 [2020-10-27 17:27:44,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-27 17:27:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 17:27:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:45,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:45,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:45,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:45,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:45,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:45,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 17:27:45,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:45,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992738404] [2020-10-27 17:27:45,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:45,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:45,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38169929] [2020-10-27 17:27:45,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:45,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:45,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:45,313 INFO L87 Difference]: Start difference. First operand 879 states and 1190 transitions. Second operand 5 states. [2020-10-27 17:27:46,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:46,311 INFO L93 Difference]: Finished difference Result 1774 states and 2419 transitions. [2020-10-27 17:27:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:46,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-27 17:27:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:46,318 INFO L225 Difference]: With dead ends: 1774 [2020-10-27 17:27:46,318 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:27:46,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:27:46,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 879. [2020-10-27 17:27:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1186 transitions. [2020-10-27 17:27:46,361 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1186 transitions. Word has length 153 [2020-10-27 17:27:46,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:46,362 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1186 transitions. [2020-10-27 17:27:46,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1186 transitions. [2020-10-27 17:27:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 17:27:46,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:46,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:27:46,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:27:46,368 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:46,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1718141196, now seen corresponding path program 1 times [2020-10-27 17:27:46,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:46,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014156592] [2020-10-27 17:27:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:46,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:47,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:47,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:50,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 17:27:50,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4153 [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 17:27:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:50,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:50,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:50,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:50,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:50,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:50,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:27:50,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:50,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:27:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:50,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:50,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 17:27:50,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 17:27:50,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 17:27:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:27:51,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014156592] [2020-10-27 17:27:51,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:51,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:51,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435538212] [2020-10-27 17:27:51,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:51,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:51,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:51,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:51,037 INFO L87 Difference]: Start difference. First operand 879 states and 1186 transitions. Second operand 5 states. [2020-10-27 17:27:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:51,924 INFO L93 Difference]: Finished difference Result 1773 states and 2411 transitions. [2020-10-27 17:27:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:51,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-27 17:27:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:51,929 INFO L225 Difference]: With dead ends: 1773 [2020-10-27 17:27:51,929 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:27:51,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:27:51,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 879. [2020-10-27 17:27:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:27:51,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1182 transitions. [2020-10-27 17:27:51,963 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1182 transitions. Word has length 226 [2020-10-27 17:27:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:51,964 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1182 transitions. [2020-10-27 17:27:51,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1182 transitions. [2020-10-27 17:27:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 17:27:51,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:51,968 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:27:51,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:27:51,968 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:51,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:51,969 INFO L82 PathProgramCache]: Analyzing trace with hash 251105532, now seen corresponding path program 1 times [2020-10-27 17:27:51,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:51,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970634375] [2020-10-27 17:27:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:53,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:55,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3594 [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-27 17:27:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 17:27:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:55,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:55,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:55,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:55,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:27:55,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:55,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:27:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:55,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:55,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:55,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 17:27:55,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:27:55,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 17:27:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:27:56,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970634375] [2020-10-27 17:27:56,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:56,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:56,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456650509] [2020-10-27 17:27:56,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:56,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:56,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:56,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:56,023 INFO L87 Difference]: Start difference. First operand 879 states and 1182 transitions. Second operand 5 states. [2020-10-27 17:27:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:57,439 INFO L93 Difference]: Finished difference Result 2199 states and 3071 transitions. [2020-10-27 17:27:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:57,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-27 17:27:57,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:57,447 INFO L225 Difference]: With dead ends: 2199 [2020-10-27 17:27:57,447 INFO L226 Difference]: Without dead ends: 1326 [2020-10-27 17:27:57,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:57,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-27 17:27:57,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1171. [2020-10-27 17:27:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1171 states. [2020-10-27 17:27:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1525 transitions. [2020-10-27 17:27:57,491 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1525 transitions. Word has length 231 [2020-10-27 17:27:57,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:57,492 INFO L481 AbstractCegarLoop]: Abstraction has 1171 states and 1525 transitions. [2020-10-27 17:27:57,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1525 transitions. [2020-10-27 17:27:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 17:27:57,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:57,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:27:57,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:27:57,498 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:57,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1269460120, now seen corresponding path program 1 times [2020-10-27 17:27:57,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:57,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089955223] [2020-10-27 17:27:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:57,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:58,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:00,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:00,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 17:28:00,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:28:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3115 [2020-10-27 17:28:00,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-27 17:28:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 17:28:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:00,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:00,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:00,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:28:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:00,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:00,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:28:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:28:01,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089955223] [2020-10-27 17:28:01,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:01,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:01,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073246822] [2020-10-27 17:28:01,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:01,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:01,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:01,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:01,050 INFO L87 Difference]: Start difference. First operand 1171 states and 1525 transitions. Second operand 5 states. [2020-10-27 17:28:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:02,435 INFO L93 Difference]: Finished difference Result 2488 states and 3238 transitions. [2020-10-27 17:28:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:02,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-27 17:28:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:02,445 INFO L225 Difference]: With dead ends: 2488 [2020-10-27 17:28:02,445 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:28:02,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:28:02,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:28:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:28:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:28:02,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2020-10-27 17:28:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:02,451 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:28:02,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:28:02,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:28:02,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:28:02,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:28:02,921 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 32 [2020-10-27 17:28:03,408 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 32 [2020-10-27 17:28:03,999 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-10-27 17:28:04,172 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 43 [2020-10-27 17:28:04,267 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:28:04,268 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:28:04,268 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:28:04,268 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:28:04,268 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:04,269 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:28:04,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:04,269 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:28:04,269 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:28:04,269 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:28:04,269 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:28:04,270 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:28:04,270 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:28:04,270 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:28:04,270 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:28:04,270 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:28:04,272 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:28:04,272 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:28:04,272 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,273 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:28:04,274 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,275 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:28:04,276 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:28:04,277 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:28:04,277 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:28:04,277 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:28:04,277 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:28:04,277 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:28:04,278 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:28:04,278 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:28:04,278 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:28:04,279 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:28:04,279 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:28:04,279 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,279 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,281 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,281 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,281 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,281 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:28:04,282 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:28:04,283 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:28:04,284 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:28:04,285 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:28:04,287 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:28:04,287 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,287 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,287 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:28:04,287 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,288 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:28:04,289 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:28:04,290 INFO L270 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 2 |old(~a10~0)|))) (.cse2 (not (= 7 |old(~a19~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 5)) .cse0 .cse1 (not (<= 0 |old(~a1~0)|)) .cse2 .cse3) (not (= 6 |old(~a19~0)|)) (not (= |old(~a10~0)| 1)) (not (<= 8 |old(~a19~0)|)) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse1 .cse2 .cse3) (not (= 4 |old(~a10~0)|)))) [2020-10-27 17:28:04,290 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:28:04,290 INFO L274 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-10-27 17:28:04,290 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:28:04,290 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:28:04,291 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,292 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:28:04,293 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:28:04,294 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:28:04,295 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (and (= 7 ~a19~0) .cse0 .cse1)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= 2 |old(~a10~0)|))) (.cse6 (not (= 7 |old(~a19~0)|))) (.cse7 (not (= ~a12~0 0))) (.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (= 6 |old(~a19~0)|)) (and .cse0 (= ~a19~0 6) .cse1)) (or .cse2 (not (= 4 |old(~a10~0)|))) (or .cse3 (not (<= |old(~a1~0)| 5)) .cse4 .cse5 (not (<= 0 |old(~a1~0)|)) .cse6 .cse7) (or .cse2 (not (= |old(~a10~0)| 1))) (or (not (<= 117 |old(~a1~0)|)) .cse3 (not (<= |old(~a1~0)| 206)) .cse4 .cse5 .cse6 .cse7) (or .cse2 (not (<= 8 |old(~a19~0)|)))))) [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:28:04,296 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,297 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:28:04,298 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,299 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:28:04,300 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:04,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:04,302 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a19~0 9) [2020-10-27 17:28:04,302 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:28:04,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:04,302 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|))) [2020-10-27 17:28:04,302 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:04,302 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= 7 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a10~0 2)) (.cse3 (= ~a12~0 0))) (or (= ~a10~0 1) (and .cse0 .cse1 .cse2 .cse3 (<= 117 ~a1~0) (<= ~a1~0 206)) (<= 8 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 6) (and .cse0 .cse1 (<= 0 ~a1~0) .cse2 .cse3 (<= ~a1~0 5)) (= ~a10~0 4))) [2020-10-27 17:28:04,302 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:28:04,303 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:28:04,303 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 7 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a10~0 2)) (.cse3 (= ~a12~0 0))) (or (= ~a10~0 1) (and .cse0 .cse1 .cse2 .cse3 (<= 117 ~a1~0) (<= ~a1~0 206)) (<= 8 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 6) (and .cse0 .cse1 (<= 0 ~a1~0) .cse2 .cse3 (<= ~a1~0 5)) (= ~a10~0 4))) [2020-10-27 17:28:04,303 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:04,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:28:04 BoogieIcfgContainer [2020-10-27 17:28:04,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:28:04,332 INFO L168 Benchmark]: Toolchain (without parser) took 39960.22 ms. Allocated memory was 151.0 MB in the beginning and 896.5 MB in the end (delta: 745.5 MB). Free memory was 105.1 MB in the beginning and 737.0 MB in the end (delta: -631.9 MB). Peak memory consumption was 425.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:04,333 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:28:04,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.33 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 122.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:04,337 INFO L168 Benchmark]: Boogie Preprocessor took 122.36 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 118.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:04,338 INFO L168 Benchmark]: RCFGBuilder took 1417.40 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 76.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:04,342 INFO L168 Benchmark]: TraceAbstraction took 37684.62 ms. Allocated memory was 151.0 MB in the beginning and 896.5 MB in the end (delta: 745.5 MB). Free memory was 75.8 MB in the beginning and 737.0 MB in the end (delta: -661.2 MB). Peak memory consumption was 395.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:04,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 725.33 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 122.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 122.36 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 118.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1417.40 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 76.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37684.62 ms. Allocated memory was 151.0 MB in the beginning and 896.5 MB in the end (delta: 745.5 MB). Free memory was 75.8 MB in the beginning and 737.0 MB in the end (delta: -661.2 MB). Peak memory consumption was 395.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((a10 == 1 || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || 8 <= a19) || !(9 == \old(a19))) || a19 == 6) || (((((7 == a19 && 14 == a4) && 0 <= a1) && a10 == 2) && a12 == 0) && a1 <= 5)) || a10 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 247 SDtfs, 3024 SDslu, 185 SDs, 0 SdLazy, 6394 SolverSat, 707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1171occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 360 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 140 PreInvPairs, 174 NumberOfFragments, 389 HoareAnnotationTreeSize, 140 FomulaSimplifications, 399625 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1354 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 1507 NumberOfCodeBlocks, 1507 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1497 ConstructedInterpolants, 0 QuantifiedInterpolants, 614742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 516/528 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...