/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=SHALLOWEST --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_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:38:38,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:38:38,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:38:38,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:38:38,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:38:38,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:38:38,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:38:38,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:38:38,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:38:38,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:38:38,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:38:38,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:38:38,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:38:38,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:38:38,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:38:38,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:38:38,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:38:38,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:38:38,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:38:38,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:38:38,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:38:38,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:38:38,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:38:38,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:38:38,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:38:38,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:38:38,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:38:38,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:38:38,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:38:38,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:38:38,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:38:38,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:38:38,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:38:38,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:38:38,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:38:38,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:38:38,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:38:38,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:38:38,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:38:38,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:38:38,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:38:38,544 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 [2020-10-26 20:38:38,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:38:38,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:38:38,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:38:38,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:38:38,576 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:38:38,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:38:38,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:38:38,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:38:38,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:38:38,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:38:38,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:38:38,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:38:38,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:38:38,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:38:38,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:38:38,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:38:38,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:38:38,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:38:38,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:38:38,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:38:38,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:38:38,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:38:38,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:38:38,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:38:38,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:38:38,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:38:38,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:38:38,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:38:38,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:38:38,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:38:38,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:38:39,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:38:39,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:38:39,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:38:39,022 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:38:39,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-10-26 20:38:39,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/049772945/3fa4ffa188d1475392783a87d06939a6/FLAGd59eee4bd [2020-10-26 20:38:39,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:38:39,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-10-26 20:38:39,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/049772945/3fa4ffa188d1475392783a87d06939a6/FLAGd59eee4bd [2020-10-26 20:38:40,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/049772945/3fa4ffa188d1475392783a87d06939a6 [2020-10-26 20:38:40,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:38:40,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:38:40,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:40,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:38:40,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:38:40,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:40,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823163c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40, skipping insertion in model container [2020-10-26 20:38:40,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:40,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:38:40,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:38:40,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:40,718 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:38:40,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:40,910 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:38:40,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40 WrapperNode [2020-10-26 20:38:40,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:40,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:38:40,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:38:40,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:38:40,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:40,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:40,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:40,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:41,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:41,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:41,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (1/1) ... [2020-10-26 20:38:41,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:38:41,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:38:41,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:38:41,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:38:41,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (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 [2020-10-26 20:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:38:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:38:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:38:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:38:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:38:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:38:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:38:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:38:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:38:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:38:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:38:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:38:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:38:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:38:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:38:42,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:38:42,745 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:38:42,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:42 BoogieIcfgContainer [2020-10-26 20:38:42,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:38:42,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:38:42,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:38:42,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:38:42,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:38:40" (1/3) ... [2020-10-26 20:38:42,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a745d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:42, skipping insertion in model container [2020-10-26 20:38:42,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:40" (2/3) ... [2020-10-26 20:38:42,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a745d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:42, skipping insertion in model container [2020-10-26 20:38:42,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:42" (3/3) ... [2020-10-26 20:38:42,768 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2020-10-26 20:38:42,781 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:38:42,787 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:38:42,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:38:42,834 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:38:42,834 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:38:42,834 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:38:42,834 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:38:42,834 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:38:42,834 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:38:42,835 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:38:42,835 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:38:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:38:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-26 20:38:42,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:42,875 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] [2020-10-26 20:38:42,875 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:42,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1320885475, now seen corresponding path program 1 times [2020-10-26 20:38:42,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:42,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402482590] [2020-10-26 20:38:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:43,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:43,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-26 20:38:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1805 [2020-10-26 20:38:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:38:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 20:38:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:38:45,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:45,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:45,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:45,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 20:38:45,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:45,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:46,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402482590] [2020-10-26 20:38:46,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:46,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 20:38:46,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534490395] [2020-10-26 20:38:46,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 20:38:46,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:46,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 20:38:46,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:46,061 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-26 20:38:46,254 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-26 20:38:46,419 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:38:46,581 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:38:46,780 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-26 20:38:47,164 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-26 20:38:47,538 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-26 20:38:48,319 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-26 20:38:49,012 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-26 20:38:50,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:50,289 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-26 20:38:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:38:50,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-10-26 20:38:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:50,315 INFO L225 Difference]: With dead ends: 541 [2020-10-26 20:38:50,318 INFO L226 Difference]: Without dead ends: 237 [2020-10-26 20:38:50,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-26 20:38:50,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-26 20:38:50,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-26 20:38:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-26 20:38:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-26 20:38:50,410 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 102 [2020-10-26 20:38:50,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:50,411 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-26 20:38:50,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 20:38:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-26 20:38:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-26 20:38:50,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:50,419 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 20:38:50,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:38:50,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:50,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:50,421 INFO L82 PathProgramCache]: Analyzing trace with hash -833653764, now seen corresponding path program 1 times [2020-10-26 20:38:50,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:50,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887054263] [2020-10-26 20:38:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:50,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:50,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 20:38:52,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1709 [2020-10-26 20:38:52,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 20:38:52,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:52,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:52,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:52,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 20:38:52,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-26 20:38:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:52,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:52,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:38:52,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:52,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 20:38:52,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:38:52,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:38:52,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887054263] [2020-10-26 20:38:52,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:52,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:38:52,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999330986] [2020-10-26 20:38:52,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:52,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:52,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:52,562 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 7 states. [2020-10-26 20:38:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:54,940 INFO L93 Difference]: Finished difference Result 785 states and 1149 transitions. [2020-10-26 20:38:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:38:54,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-26 20:38:54,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:54,959 INFO L225 Difference]: With dead ends: 785 [2020-10-26 20:38:54,959 INFO L226 Difference]: Without dead ends: 557 [2020-10-26 20:38:54,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-26 20:38:54,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-26 20:38:55,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 534. [2020-10-26 20:38:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-26 20:38:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 752 transitions. [2020-10-26 20:38:55,062 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 752 transitions. Word has length 111 [2020-10-26 20:38:55,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:55,063 INFO L481 AbstractCegarLoop]: Abstraction has 534 states and 752 transitions. [2020-10-26 20:38:55,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 752 transitions. [2020-10-26 20:38:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-26 20:38:55,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:55,079 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-26 20:38:55,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:38:55,080 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:55,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1578325196, now seen corresponding path program 1 times [2020-10-26 20:38:55,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:55,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40831543] [2020-10-26 20:38:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:55,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:55,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:56,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:56,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 20:38:56,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-10-26 20:38:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-26 20:38:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:56,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:57,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:57,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:57,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:38:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:38:57,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40831543] [2020-10-26 20:38:57,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:57,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:38:57,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637972898] [2020-10-26 20:38:57,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:57,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:57,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:57,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:57,103 INFO L87 Difference]: Start difference. First operand 534 states and 752 transitions. Second operand 7 states. [2020-10-26 20:38:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:58,863 INFO L93 Difference]: Finished difference Result 1511 states and 2182 transitions. [2020-10-26 20:38:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:38:58,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-26 20:38:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:58,876 INFO L225 Difference]: With dead ends: 1511 [2020-10-26 20:38:58,877 INFO L226 Difference]: Without dead ends: 983 [2020-10-26 20:38:58,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:38:58,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-10-26 20:38:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 828. [2020-10-26 20:38:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-26 20:38:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1200 transitions. [2020-10-26 20:38:58,943 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1200 transitions. Word has length 115 [2020-10-26 20:38:58,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:58,945 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1200 transitions. [2020-10-26 20:38:58,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1200 transitions. [2020-10-26 20:38:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-26 20:38:58,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:58,954 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-26 20:38:58,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:38:58,954 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:58,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:58,955 INFO L82 PathProgramCache]: Analyzing trace with hash 288643089, now seen corresponding path program 1 times [2020-10-26 20:38:58,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:58,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274561175] [2020-10-26 20:38:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:59,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:59,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:59,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-26 20:38:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-26 20:38:59,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-26 20:38:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:59,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:59,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:59,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:38:59,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:59,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:59,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:59,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:38:59,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 20:38:59,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:38:59,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:00,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:00,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:00,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:39:00,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:00,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 20:39:00,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:00,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:00,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:00,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:39:00,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:39:00,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274561175] [2020-10-26 20:39:00,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:00,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:00,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533999590] [2020-10-26 20:39:00,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:39:00,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:00,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:39:00,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:00,097 INFO L87 Difference]: Start difference. First operand 828 states and 1200 transitions. Second operand 8 states. [2020-10-26 20:39:02,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:02,278 INFO L93 Difference]: Finished difference Result 1973 states and 2942 transitions. [2020-10-26 20:39:02,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:39:02,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-10-26 20:39:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:02,289 INFO L225 Difference]: With dead ends: 1973 [2020-10-26 20:39:02,289 INFO L226 Difference]: Without dead ends: 1151 [2020-10-26 20:39:02,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:39:02,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-10-26 20:39:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1128. [2020-10-26 20:39:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-10-26 20:39:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1615 transitions. [2020-10-26 20:39:02,351 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1615 transitions. Word has length 126 [2020-10-26 20:39:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:02,352 INFO L481 AbstractCegarLoop]: Abstraction has 1128 states and 1615 transitions. [2020-10-26 20:39:02,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:39:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1615 transitions. [2020-10-26 20:39:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-26 20:39:02,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:02,356 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:02,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:39:02,357 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:02,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:02,357 INFO L82 PathProgramCache]: Analyzing trace with hash 2128940741, now seen corresponding path program 1 times [2020-10-26 20:39:02,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:02,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704171945] [2020-10-26 20:39:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:02,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-26 20:39:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2007 [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-26 20:39:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:04,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:04,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:04,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:04,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:39:04,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:04,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:04,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:04,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:04,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:04,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:04,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:39:04,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:04,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:04,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:04,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:04,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:04,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:04,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:04,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:39:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 20:39:04,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:39:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:39:04,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704171945] [2020-10-26 20:39:04,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:04,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:04,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867178283] [2020-10-26 20:39:04,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:39:04,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:04,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:39:04,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:04,747 INFO L87 Difference]: Start difference. First operand 1128 states and 1615 transitions. Second operand 8 states. [2020-10-26 20:39:06,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:06,949 INFO L93 Difference]: Finished difference Result 3020 states and 4456 transitions. [2020-10-26 20:39:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:39:06,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-10-26 20:39:06,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:06,962 INFO L225 Difference]: With dead ends: 3020 [2020-10-26 20:39:06,962 INFO L226 Difference]: Without dead ends: 1898 [2020-10-26 20:39:06,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:39:06,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-10-26 20:39:07,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1887. [2020-10-26 20:39:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-26 20:39:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2616 transitions. [2020-10-26 20:39:07,045 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2616 transitions. Word has length 137 [2020-10-26 20:39:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:07,046 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 2616 transitions. [2020-10-26 20:39:07,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:39:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2616 transitions. [2020-10-26 20:39:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-26 20:39:07,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:07,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:07,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:39:07,053 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:07,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:07,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1023137950, now seen corresponding path program 1 times [2020-10-26 20:39:07,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:07,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144845418] [2020-10-26 20:39:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:07,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:07,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 514 [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:39:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 20:39:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:07,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:07,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:07,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:07,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:07,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:07,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:07,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:07,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:07,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 20:39:07,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:39:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:07,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:07,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:39:07,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 20:39:07,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:39:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:39:07,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144845418] [2020-10-26 20:39:07,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:07,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:07,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101109148] [2020-10-26 20:39:07,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:07,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:07,958 INFO L87 Difference]: Start difference. First operand 1887 states and 2616 transitions. Second operand 7 states. [2020-10-26 20:39:09,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:09,936 INFO L93 Difference]: Finished difference Result 4827 states and 6808 transitions. [2020-10-26 20:39:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:39:09,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-10-26 20:39:09,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:09,962 INFO L225 Difference]: With dead ends: 4827 [2020-10-26 20:39:09,962 INFO L226 Difference]: Without dead ends: 2946 [2020-10-26 20:39:09,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2020-10-26 20:39:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2787. [2020-10-26 20:39:10,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2787 states. [2020-10-26 20:39:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3792 transitions. [2020-10-26 20:39:10,090 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3792 transitions. Word has length 146 [2020-10-26 20:39:10,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:10,090 INFO L481 AbstractCegarLoop]: Abstraction has 2787 states and 3792 transitions. [2020-10-26 20:39:10,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3792 transitions. [2020-10-26 20:39:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-26 20:39:10,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:10,099 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-26 20:39:10,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:39:10,099 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:10,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2119961384, now seen corresponding path program 1 times [2020-10-26 20:39:10,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:10,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265974535] [2020-10-26 20:39:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:10,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:10,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-26 20:39:10,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-26 20:39:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:10,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:10,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:10,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:10,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:10,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:10,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:10,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:10,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:10,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:10,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:10,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:10,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:10,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:10,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 20:39:10,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:39:10,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:39:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:10,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:11,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:39:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 20:39:11,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:39:11,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:39:11,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265974535] [2020-10-26 20:39:11,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:11,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:39:11,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626831186] [2020-10-26 20:39:11,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:39:11,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:11,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:39:11,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:11,105 INFO L87 Difference]: Start difference. First operand 2787 states and 3792 transitions. Second operand 8 states. [2020-10-26 20:39:11,294 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 20:39:13,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:13,206 INFO L93 Difference]: Finished difference Result 4660 states and 6327 transitions. [2020-10-26 20:39:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:39:13,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-10-26 20:39:13,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:13,207 INFO L225 Difference]: With dead ends: 4660 [2020-10-26 20:39:13,207 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:39:13,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:39:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:39:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:39:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:39:13,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-10-26 20:39:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:13,222 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:39:13,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:39:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:39:13,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:39:13,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:39:13,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:39:13,651 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 121 [2020-10-26 20:39:13,820 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 137 [2020-10-26 20:39:14,044 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2020-10-26 20:39:14,547 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2020-10-26 20:39:14,753 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 34 [2020-10-26 20:39:14,875 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 34 [2020-10-26 20:39:14,971 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:39:14,971 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:39:14,971 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:39:14,971 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:14,972 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)|)) [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:39:14,972 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:14,973 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,974 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:39:14,975 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,976 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:39:14,977 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:14,978 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:14,979 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,980 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:39:14,981 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,982 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:39:14,983 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:14,984 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,985 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:39:14,986 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:39:14,987 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,988 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:39:14,989 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:39:14,990 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a28~0)| 10))) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse5 (= ~a17~0 8)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse6 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4) (not (<= |old(~a17~0)| 7))) (or (not (= |old(~a19~0)| 1)) (and .cse1 .cse2 (= ~a19~0 1) .cse3 .cse5) .cse6) (or .cse0 (and .cse1 .cse2 .cse3 .cse5 .cse4) .cse6))) [2020-10-26 20:39:14,990 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:39:14,990 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:39:14,990 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:39:14,990 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:39:14,990 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:39:14,991 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L270 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a28~0)| 10))) (.cse1 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1) (or .cse0 (not (<= |old(~a17~0)| 7))) (or (not (= |old(~a19~0)| 1)) .cse1))) [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:39:14,992 INFO L274 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,993 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:39:14,994 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,995 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:14,996 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-26 20:39:14,996 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:39:14,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:14,997 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (and (= ~a19~0 1) .cse0) (and (<= ~a17~0 7) .cse1))) [2020-10-26 20:39:14,997 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) [2020-10-26 20:39:14,997 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:14,997 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:14,997 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (and (= ~a19~0 1) .cse0) (and (<= ~a17~0 7) .cse1))) [2020-10-26 20:39:14,998 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:39:14,998 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:39:15,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:39:15 BoogieIcfgContainer [2020-10-26 20:39:15,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:39:15,023 INFO L168 Benchmark]: Toolchain (without parser) took 34874.83 ms. Allocated memory was 152.0 MB in the beginning and 629.1 MB in the end (delta: 477.1 MB). Free memory was 126.2 MB in the beginning and 399.2 MB in the end (delta: -273.1 MB). Peak memory consumption was 315.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:15,024 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 152.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 117.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:39:15,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.06 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 131.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:15,025 INFO L168 Benchmark]: Boogie Preprocessor took 157.73 ms. Allocated memory is still 152.0 MB. Free memory was 131.7 MB in the beginning and 127.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:15,026 INFO L168 Benchmark]: RCFGBuilder took 1678.82 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 106.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:15,027 INFO L168 Benchmark]: TraceAbstraction took 32268.79 ms. Allocated memory was 152.0 MB in the beginning and 629.1 MB in the end (delta: 477.1 MB). Free memory was 106.1 MB in the beginning and 399.2 MB in the end (delta: -293.1 MB). Peak memory consumption was 293.6 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:15,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 152.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 117.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 757.06 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 131.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 157.73 ms. Allocated memory is still 152.0 MB. Free memory was 131.7 MB in the beginning and 127.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1678.82 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 106.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32268.79 ms. Allocated memory was 152.0 MB in the beginning and 629.1 MB in the end (delta: 477.1 MB). Free memory was 106.1 MB in the beginning and 399.2 MB in the end (delta: -293.1 MB). Peak memory consumption was 293.6 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: (((((((!(\old(a19) == 1) || !(0 == \old(a11))) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(a21 == 1)) || !(7 == \old(a28))) || (a17 == 8 && a28 <= 10)) || (a19 == 1 && a17 == 8)) || (a17 <= 7 && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.3s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 237 SDtfs, 3645 SDslu, 370 SDs, 0 SdLazy, 6345 SolverSat, 1258 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2787occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 374 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 145 PreInvPairs, 171 NumberOfFragments, 340 HoareAnnotationTreeSize, 145 FomulaSimplifications, 15572 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2410 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 527684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 196/210 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...