/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:49:32,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:49:32,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:49:32,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:49:32,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:49:32,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:49:32,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:49:32,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:49:32,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:49:32,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:49:32,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:49:32,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:49:32,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:49:32,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:49:32,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:49:32,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:49:32,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:49:32,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:49:32,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:49:32,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:49:32,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:49:32,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:49:32,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:49:32,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:49:32,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:49:32,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:49:32,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:49:32,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:49:32,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:49:32,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:49:32,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:49:32,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:49:32,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:49:32,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:49:32,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:49:32,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:49:32,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:49:32,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:49:32,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:49:32,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:49:32,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:49:32,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:49:32,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:49:32,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:49:32,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:49:32,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:49:32,560 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:49:32,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:49:32,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:49:32,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:49:32,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:49:32,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:49:32,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:49:32,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:49:32,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:49:32,562 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:49:32,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:49:32,562 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:49:32,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:49:32,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:49:32,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:49:32,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:49:32,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:49:32,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:49:32,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:49:32,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:49:32,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:49:32,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:49:32,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:49:32,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:49:32,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:49:32,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:49:32,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:49:32,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:49:32,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:49:32,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:49:32,989 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:49:32,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-10-29 04:49:33,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/419d6dbec/076a2aeeddc64ad4aa177a839a501a24/FLAG675b3ce33 [2020-10-29 04:49:33,831 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:49:33,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-10-29 04:49:33,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/419d6dbec/076a2aeeddc64ad4aa177a839a501a24/FLAG675b3ce33 [2020-10-29 04:49:34,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/419d6dbec/076a2aeeddc64ad4aa177a839a501a24 [2020-10-29 04:49:34,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:49:34,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:49:34,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:49:34,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:49:34,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:49:34,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:34,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36988f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34, skipping insertion in model container [2020-10-29 04:49:34,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:34,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:49:34,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:49:34,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:49:34,746 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:49:34,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:49:34,939 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:49:34,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34 WrapperNode [2020-10-29 04:49:34,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:49:34,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:49:34,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:49:34,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:49:35,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... [2020-10-29 04:49:35,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:49:35,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:49:35,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:49:35,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:49:35,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:49:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:49:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:49:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:49:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:49:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:49:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:49:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:49:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:49:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:49:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:49:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:49:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:49:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:49:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:49:36,779 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:49:36,779 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:49:36,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:36 BoogieIcfgContainer [2020-10-29 04:49:36,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:49:36,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:49:36,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:49:36,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:49:36,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:49:34" (1/3) ... [2020-10-29 04:49:36,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34abb399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:36, skipping insertion in model container [2020-10-29 04:49:36,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:34" (2/3) ... [2020-10-29 04:49:36,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34abb399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:36, skipping insertion in model container [2020-10-29 04:49:36,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:36" (3/3) ... [2020-10-29 04:49:36,791 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-10-29 04:49:36,821 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:49:36,826 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:49:36,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:49:36,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:49:36,881 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:49:36,881 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:49:36,881 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:49:36,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:49:36,881 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:49:36,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:49:36,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:49:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:49:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 04:49:36,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:36,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:36,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:36,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:36,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1051683155, now seen corresponding path program 1 times [2020-10-29 04:49:36,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:36,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951240495] [2020-10-29 04:49:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:37,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:39,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 04:49:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1946 [2020-10-29 04:49:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:39,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:49:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:49:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 04:49:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:49:39,540 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:39,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:39,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 04:49:39,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:39,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:49:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:49:39,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951240495] [2020-10-29 04:49:39,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:49:39,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:49:39,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299442897] [2020-10-29 04:49:39,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:39,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:39,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:39,729 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-29 04:49:39,959 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:49:40,701 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:49:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:43,932 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2020-10-29 04:49:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:49:43,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-29 04:49:43,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:43,955 INFO L225 Difference]: With dead ends: 782 [2020-10-29 04:49:43,955 INFO L226 Difference]: Without dead ends: 474 [2020-10-29 04:49:43,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:49:43,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-29 04:49:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 466. [2020-10-29 04:49:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-29 04:49:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 690 transitions. [2020-10-29 04:49:44,063 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 690 transitions. Word has length 143 [2020-10-29 04:49:44,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:44,065 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 690 transitions. [2020-10-29 04:49:44,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 690 transitions. [2020-10-29 04:49:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-29 04:49:44,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:44,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:44,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:49:44,074 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:44,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1983827972, now seen corresponding path program 1 times [2020-10-29 04:49:44,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:44,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253717866] [2020-10-29 04:49:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:45,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:45,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 04:49:45,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:49:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1670 [2020-10-29 04:49:45,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:45,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:49:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 04:49:45,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:49:46,111 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:49:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:46,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:46,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:46,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:49:46,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 04:49:46,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:46,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:49:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:49:46,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253717866] [2020-10-29 04:49:46,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:46,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:46,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819060373] [2020-10-29 04:49:46,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:46,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:46,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:46,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:46,260 INFO L87 Difference]: Start difference. First operand 466 states and 690 transitions. Second operand 5 states. [2020-10-29 04:49:46,885 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:49:49,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:49,157 INFO L93 Difference]: Finished difference Result 1235 states and 1847 transitions. [2020-10-29 04:49:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:49,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-29 04:49:49,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:49,166 INFO L225 Difference]: With dead ends: 1235 [2020-10-29 04:49:49,167 INFO L226 Difference]: Without dead ends: 775 [2020-10-29 04:49:49,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:49,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-10-29 04:49:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 624. [2020-10-29 04:49:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-29 04:49:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 882 transitions. [2020-10-29 04:49:49,243 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 882 transitions. Word has length 165 [2020-10-29 04:49:49,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:49,244 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 882 transitions. [2020-10-29 04:49:49,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 882 transitions. [2020-10-29 04:49:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 04:49:49,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:49,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:49,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:49:49,250 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash -510828220, now seen corresponding path program 1 times [2020-10-29 04:49:49,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:49,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161039173] [2020-10-29 04:49:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:50,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:50,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:50,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-29 04:49:50,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:49:50,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1625 [2020-10-29 04:49:50,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:50,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:49:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 04:49:50,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:49:51,215 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:51,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:51,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:51,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:51,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:49:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:51,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:51,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:51,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:49:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 04:49:51,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:51,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:49:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:49:51,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161039173] [2020-10-29 04:49:51,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:51,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:51,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781609391] [2020-10-29 04:49:51,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:51,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:51,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:51,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:51,430 INFO L87 Difference]: Start difference. First operand 624 states and 882 transitions. Second operand 5 states. [2020-10-29 04:49:51,751 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 04:49:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:54,084 INFO L93 Difference]: Finished difference Result 1684 states and 2397 transitions. [2020-10-29 04:49:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:49:54,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-29 04:49:54,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:54,093 INFO L225 Difference]: With dead ends: 1684 [2020-10-29 04:49:54,094 INFO L226 Difference]: Without dead ends: 769 [2020-10-29 04:49:54,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:49:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-29 04:49:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 621. [2020-10-29 04:49:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-29 04:49:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 778 transitions. [2020-10-29 04:49:54,133 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 778 transitions. Word has length 169 [2020-10-29 04:49:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:54,134 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 778 transitions. [2020-10-29 04:49:54,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:49:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 778 transitions. [2020-10-29 04:49:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-29 04:49:54,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:54,139 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:54,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:49:54,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1360769251, now seen corresponding path program 1 times [2020-10-29 04:49:54,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:54,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526361545] [2020-10-29 04:49:54,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:54,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:54,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:58,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:58,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 04:49:58,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:49:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4078 [2020-10-29 04:49:58,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:58,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 04:49:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 04:49:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:58,513 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:49:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:58,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:58,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:58,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:58,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:58,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:49:58,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:58,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:58,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:58,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:58,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:49:58,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:58,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 04:49:58,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:58,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:58,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:58,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:58,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 04:49:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:58,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:58,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 04:49:58,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 04:49:58,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:58,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 04:49:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 04:49:58,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526361545] [2020-10-29 04:49:58,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:58,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:49:58,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050118612] [2020-10-29 04:49:58,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:49:58,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:58,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:49:58,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:49:58,781 INFO L87 Difference]: Start difference. First operand 621 states and 778 transitions. Second operand 5 states. [2020-10-29 04:49:59,225 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:50:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:01,339 INFO L93 Difference]: Finished difference Result 1831 states and 2336 transitions. [2020-10-29 04:50:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:01,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-29 04:50:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:01,353 INFO L225 Difference]: With dead ends: 1831 [2020-10-29 04:50:01,353 INFO L226 Difference]: Without dead ends: 1069 [2020-10-29 04:50:01,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-29 04:50:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1058. [2020-10-29 04:50:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-29 04:50:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1258 transitions. [2020-10-29 04:50:01,443 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1258 transitions. Word has length 184 [2020-10-29 04:50:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:01,445 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1258 transitions. [2020-10-29 04:50:01,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1258 transitions. [2020-10-29 04:50:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 04:50:01,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:01,460 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:01,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:50:01,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:01,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1815935941, now seen corresponding path program 1 times [2020-10-29 04:50:01,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:01,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797184129] [2020-10-29 04:50:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:01,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:01,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:06,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:06,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 04:50:06,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:50:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4883 [2020-10-29 04:50:06,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:06,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 04:50:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 04:50:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:06,623 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:50:06,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:06,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:50:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:06,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:06,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:06,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:06,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:50:06,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:06,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:50:06,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:06,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:06,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:06,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 04:50:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 04:50:06,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 04:50:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:06,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 04:50:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 04:50:06,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797184129] [2020-10-29 04:50:06,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:06,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:06,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483765658] [2020-10-29 04:50:06,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:06,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:06,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:06,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:06,795 INFO L87 Difference]: Start difference. First operand 1058 states and 1258 transitions. Second operand 5 states. [2020-10-29 04:50:07,233 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:50:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:09,255 INFO L93 Difference]: Finished difference Result 2564 states and 3108 transitions. [2020-10-29 04:50:09,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:09,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-29 04:50:09,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:09,257 INFO L225 Difference]: With dead ends: 2564 [2020-10-29 04:50:09,257 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:50:09,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:09,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:50:09,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:50:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:50:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:50:09,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-10-29 04:50:09,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:09,269 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:50:09,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:50:09,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:50:09,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:50:09,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:50:10,043 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 20 [2020-10-29 04:50:10,969 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 49 [2020-10-29 04:50:11,103 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:50:11,304 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-10-29 04:50:11,308 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:50:11,309 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:50:11,309 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:50:11,309 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:50:11,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:50:11,310 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:50:11,311 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,312 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:50:11,313 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,314 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:50:11,315 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:11,316 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:11,317 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:50:11,318 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:50:11,319 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:50:11,320 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:50:11,321 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,322 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,323 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:11,324 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L270 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (and (not (= 11 |old(~a28~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (or (not (<= |old(~a11~0)| 1)) (not (<= 1 |old(~a11~0)|))) (not (= 8 |old(~a28~0)|))) [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L582-1(line 582) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:50:11,325 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,326 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:50:11,327 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,328 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:50:11,329 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (and (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))) (or (not (= 11 |old(~a28~0)|)) (and .cse4 .cse1 .cse2 .cse3 (= ~a28~0 11))) (or (and .cse4 .cse1 .cse2 (= ~a28~0 8) .cse3) (not (= 8 |old(~a28~0)|))) (or (and .cse0 (= ~a19~0 0) .cse4 .cse1 .cse2) (not (= 0 |old(~a19~0)|))) (or (not (<= |old(~a11~0)| 1)) (and .cse0 .cse4 (<= 1 ~a11~0) .cse2 (<= ~a11~0 1) .cse3) (not (<= 1 |old(~a11~0)|))))) [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:50:11,330 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:50:11,331 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:50:11,332 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,333 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:50:11,334 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:50:11,335 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:11,336 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:50:11,337 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:50:11,337 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:50:11,337 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:50:11,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:11,337 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a17~0 8) [2020-10-29 04:50:11,337 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:50:11,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:11,338 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (= ~a19~0 0) (and (<= 1 ~a11~0) (<= ~a11~0 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a28~0 8) (= ~a28~0 11)) [2020-10-29 04:50:11,338 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|))) [2020-10-29 04:50:11,338 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:11,338 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:11,338 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (= ~a19~0 0) (and (<= 1 ~a11~0) (<= ~a11~0 1)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (= ~a28~0 8) (= ~a28~0 11)) [2020-10-29 04:50:11,338 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:50:11,338 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:50:11,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:50:11 BoogieIcfgContainer [2020-10-29 04:50:11,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:50:11,361 INFO L168 Benchmark]: Toolchain (without parser) took 37254.91 ms. Allocated memory was 125.8 MB in the beginning and 574.6 MB in the end (delta: 448.8 MB). Free memory was 99.3 MB in the beginning and 316.2 MB in the end (delta: -216.9 MB). Peak memory consumption was 232.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:11,361 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:50:11,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.34 ms. Allocated memory is still 125.8 MB. Free memory was 98.7 MB in the beginning and 73.0 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:11,363 INFO L168 Benchmark]: Boogie Preprocessor took 172.60 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 73.0 MB in the beginning and 136.4 MB in the end (delta: -63.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:11,364 INFO L168 Benchmark]: RCFGBuilder took 1659.21 ms. Allocated memory is still 158.3 MB. Free memory was 136.4 MB in the beginning and 79.7 MB in the end (delta: 56.7 MB). Peak memory consumption was 57.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:11,365 INFO L168 Benchmark]: TraceAbstraction took 34574.64 ms. Allocated memory was 158.3 MB in the beginning and 574.6 MB in the end (delta: 416.3 MB). Free memory was 79.2 MB in the beginning and 316.2 MB in the end (delta: -237.0 MB). Peak memory consumption was 178.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:11,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 830.34 ms. Allocated memory is still 125.8 MB. Free memory was 98.7 MB in the beginning and 73.0 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 172.60 ms. Allocated memory was 125.8 MB in the beginning and 158.3 MB in the end (delta: 32.5 MB). Free memory was 73.0 MB in the beginning and 136.4 MB in the end (delta: -63.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1659.21 ms. Allocated memory is still 158.3 MB. Free memory was 136.4 MB in the beginning and 79.7 MB in the end (delta: 56.7 MB). Peak memory consumption was 57.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 34574.64 ms. Allocated memory was 158.3 MB in the beginning and 574.6 MB in the end (delta: 416.3 MB). Free memory was 79.2 MB in the beginning and 316.2 MB in the end (delta: -237.0 MB). Peak memory consumption was 178.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((a19 == 0 || (1 <= a11 && a11 <= 1)) || a17 == 8) || !(8 == \old(a17))) || a28 == 8) || a28 == 11 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 208 SDtfs, 1371 SDslu, 195 SDs, 0 SdLazy, 4137 SolverSat, 541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1058occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 318 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 81 PreInvPairs, 113 NumberOfFragments, 295 HoareAnnotationTreeSize, 81 FomulaSimplifications, 18606 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1473 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 872 NumberOfCodeBlocks, 872 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 867 ConstructedInterpolants, 0 QuantifiedInterpolants, 572182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 174/180 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...