/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:28:11,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:28:11,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:28:11,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:28:11,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:28:11,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:28:11,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:28:11,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:28:11,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:28:11,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:28:11,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:28:11,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:28:11,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:28:11,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:28:11,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:28:11,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:28:11,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:28:11,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:28:11,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:28:11,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:28:11,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:28:11,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:28:11,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:28:11,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:28:11,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:28:11,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:28:11,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:28:11,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:28:11,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:28:11,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:28:11,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:28:11,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:28:11,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:28:11,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:28:11,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:28:11,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:28:11,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:28:11,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:28:11,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:28:11,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:28:11,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:28:11,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:28:11,469 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:28:11,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:28:11,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:28:11,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:28:11,476 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:28:11,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:28:11,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:28:11,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:28:11,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:28:11,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:28:11,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:28:11,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:28:11,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:28:11,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:28:11,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:28:11,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:28:11,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:28:11,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:28:11,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:28:11,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:28:11,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:28:11,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:11,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:28:11,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:28:11,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:28:11,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:28:11,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:28:11,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:28:11,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:28:11,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:28:11,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:28:11,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:28:11,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:28:11,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:28:11,999 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:28:12,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-27 17:28:12,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f5de97d/9949d4e6014d4c88906194758fcf411f/FLAGc3e259d5a [2020-10-27 17:28:12,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:28:12,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-10-27 17:28:12,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f5de97d/9949d4e6014d4c88906194758fcf411f/FLAGc3e259d5a [2020-10-27 17:28:13,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f5de97d/9949d4e6014d4c88906194758fcf411f [2020-10-27 17:28:13,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:28:13,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:28:13,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:13,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:28:13,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:28:13,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:13,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b91394b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13, skipping insertion in model container [2020-10-27 17:28:13,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:13,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:28:13,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:28:13,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:13,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:28:13,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:13,981 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:28:13,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13 WrapperNode [2020-10-27 17:28:13,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:13,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:28:13,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:28:13,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:28:13,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:13,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... [2020-10-27 17:28:14,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:28:14,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:28:14,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:28:14,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:28:14,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:28:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:28:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:28:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:28:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:28:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:28:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:28:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:28:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:28:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:28:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:28:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:28:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:28:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:28:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:28:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:28:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:28:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:28:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:28:15,681 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:28:15,682 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:28:15,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:15 BoogieIcfgContainer [2020-10-27 17:28:15,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:28:15,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:28:15,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:28:15,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:28:15,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:28:13" (1/3) ... [2020-10-27 17:28:15,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176c57b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:15, skipping insertion in model container [2020-10-27 17:28:15,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:13" (2/3) ... [2020-10-27 17:28:15,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176c57b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:15, skipping insertion in model container [2020-10-27 17:28:15,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:15" (3/3) ... [2020-10-27 17:28:15,694 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-10-27 17:28:15,708 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:28:15,714 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:28:15,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:28:15,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:28:15,761 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:28:15,761 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:28:15,761 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:28:15,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:28:15,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:28:15,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:28:15,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:28:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:28:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 17:28:15,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:15,804 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] [2020-10-27 17:28:15,804 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash -376419412, now seen corresponding path program 1 times [2020-10-27 17:28:15,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:15,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946668882] [2020-10-27 17:28:15,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:16,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:16,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 17:28:16,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:16,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 739 [2020-10-27 17:28:16,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:28:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:28:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 17:28:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:28:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:17,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 17:28:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:28:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:17,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946668882] [2020-10-27 17:28:17,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:28:17,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:28:17,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751566749] [2020-10-27 17:28:17,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:28:17,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:28:17,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:28:17,210 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:28:18,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:18,979 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-27 17:28:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:18,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-10-27 17:28:18,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:18,996 INFO L225 Difference]: With dead ends: 586 [2020-10-27 17:28:18,997 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:28:19,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:28:19,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-27 17:28:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 17:28:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-27 17:28:19,084 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 56 [2020-10-27 17:28:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:19,085 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-27 17:28:19,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:28:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-27 17:28:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 17:28:19,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:19,092 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:19,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:28:19,093 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:19,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:19,094 INFO L82 PathProgramCache]: Analyzing trace with hash -82314564, now seen corresponding path program 1 times [2020-10-27 17:28:19,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:19,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918036548] [2020-10-27 17:28:19,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:19,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:20,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:21,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:21,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 17:28:21,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:21,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1945 [2020-10-27 17:28:21,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:28:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 17:28:21,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:21,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:21,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:21,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:21,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:21,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:21,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:28:21,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:21,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:21,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:28:21,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:21,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 17:28:21,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:28:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:21,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918036548] [2020-10-27 17:28:21,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:21,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:21,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937664140] [2020-10-27 17:28:21,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:21,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:21,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:21,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:21,488 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 5 states. [2020-10-27 17:28:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:23,200 INFO L93 Difference]: Finished difference Result 888 states and 1374 transitions. [2020-10-27 17:28:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:23,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-27 17:28:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:23,208 INFO L225 Difference]: With dead ends: 888 [2020-10-27 17:28:23,208 INFO L226 Difference]: Without dead ends: 597 [2020-10-27 17:28:23,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-27 17:28:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 587. [2020-10-27 17:28:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-27 17:28:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 810 transitions. [2020-10-27 17:28:23,261 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 810 transitions. Word has length 129 [2020-10-27 17:28:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:23,262 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 810 transitions. [2020-10-27 17:28:23,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 810 transitions. [2020-10-27 17:28:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 17:28:23,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:23,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:23,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:28:23,268 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:23,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1936379216, now seen corresponding path program 1 times [2020-10-27 17:28:23,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:23,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311527768] [2020-10-27 17:28:23,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:23,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:24,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:24,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 17:28:24,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:28:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 750 [2020-10-27 17:28:24,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 17:28:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 17:28:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:24,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:24,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:28:24,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:24,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:24,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 17:28:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:28:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:28:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:24,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311527768] [2020-10-27 17:28:24,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:24,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:28:24,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311078443] [2020-10-27 17:28:24,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:28:24,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:24,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:28:24,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:24,467 INFO L87 Difference]: Start difference. First operand 587 states and 810 transitions. Second operand 6 states. [2020-10-27 17:28:26,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:26,298 INFO L93 Difference]: Finished difference Result 1472 states and 2127 transitions. [2020-10-27 17:28:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:26,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2020-10-27 17:28:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:26,314 INFO L225 Difference]: With dead ends: 1472 [2020-10-27 17:28:26,315 INFO L226 Difference]: Without dead ends: 891 [2020-10-27 17:28:26,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:28:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-27 17:28:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 877. [2020-10-27 17:28:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-27 17:28:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1250 transitions. [2020-10-27 17:28:26,409 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1250 transitions. Word has length 135 [2020-10-27 17:28:26,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:26,410 INFO L481 AbstractCegarLoop]: Abstraction has 877 states and 1250 transitions. [2020-10-27 17:28:26,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:28:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1250 transitions. [2020-10-27 17:28:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 17:28:26,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:26,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:26,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:28:26,423 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:26,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:26,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1132934876, now seen corresponding path program 1 times [2020-10-27 17:28:26,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:26,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343845195] [2020-10-27 17:28:26,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:26,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:27,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:27,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:27,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 17:28:27,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1476 [2020-10-27 17:28:27,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 17:28:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 17:28:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:28:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:28,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:28,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:28,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:28,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:28:28,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:28,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:28,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 17:28:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:28,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343845195] [2020-10-27 17:28:28,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:28,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:28,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836359933] [2020-10-27 17:28:28,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:28,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:28,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:28,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:28,379 INFO L87 Difference]: Start difference. First operand 877 states and 1250 transitions. Second operand 5 states. [2020-10-27 17:28:29,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:29,536 INFO L93 Difference]: Finished difference Result 1781 states and 2569 transitions. [2020-10-27 17:28:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:29,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-27 17:28:29,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:29,544 INFO L225 Difference]: With dead ends: 1781 [2020-10-27 17:28:29,544 INFO L226 Difference]: Without dead ends: 891 [2020-10-27 17:28:29,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-27 17:28:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 877. [2020-10-27 17:28:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-27 17:28:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1242 transitions. [2020-10-27 17:28:29,590 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1242 transitions. Word has length 168 [2020-10-27 17:28:29,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:29,591 INFO L481 AbstractCegarLoop]: Abstraction has 877 states and 1242 transitions. [2020-10-27 17:28:29,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1242 transitions. [2020-10-27 17:28:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 17:28:29,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:29,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:29,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:28:29,595 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2100197988, now seen corresponding path program 1 times [2020-10-27 17:28:29,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:29,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296484203] [2020-10-27 17:28:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 17:28:31,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-27 17:28:31,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-27 17:28:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 17:28:31,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:31,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:31,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:31,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 17:28:31,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:31,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 17:28:31,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 17:28:31,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 17:28:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:31,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296484203] [2020-10-27 17:28:31,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:31,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:31,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918697822] [2020-10-27 17:28:31,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:31,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:31,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:31,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:31,794 INFO L87 Difference]: Start difference. First operand 877 states and 1242 transitions. Second operand 5 states. [2020-10-27 17:28:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:33,633 INFO L93 Difference]: Finished difference Result 2636 states and 3879 transitions. [2020-10-27 17:28:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:33,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-27 17:28:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:33,649 INFO L225 Difference]: With dead ends: 2636 [2020-10-27 17:28:33,650 INFO L226 Difference]: Without dead ends: 1765 [2020-10-27 17:28:33,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-10-27 17:28:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1459. [2020-10-27 17:28:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2020-10-27 17:28:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2074 transitions. [2020-10-27 17:28:33,734 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2074 transitions. Word has length 173 [2020-10-27 17:28:33,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:33,735 INFO L481 AbstractCegarLoop]: Abstraction has 1459 states and 2074 transitions. [2020-10-27 17:28:33,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2074 transitions. [2020-10-27 17:28:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-27 17:28:33,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:33,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:28:33,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:28:33,741 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:33,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:33,742 INFO L82 PathProgramCache]: Analyzing trace with hash -672506304, now seen corresponding path program 1 times [2020-10-27 17:28:33,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:33,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473488310] [2020-10-27 17:28:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:34,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:35,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 17:28:35,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 17:28:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:35,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:35,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:35,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:28:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:35,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473488310] [2020-10-27 17:28:35,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:35,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:35,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280897126] [2020-10-27 17:28:35,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:35,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:35,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:35,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:35,764 INFO L87 Difference]: Start difference. First operand 1459 states and 2074 transitions. Second operand 5 states. [2020-10-27 17:28:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:36,722 INFO L93 Difference]: Finished difference Result 2792 states and 4004 transitions. [2020-10-27 17:28:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:36,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-27 17:28:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:36,724 INFO L225 Difference]: With dead ends: 2792 [2020-10-27 17:28:36,724 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:28:36,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:28:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:28:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:28:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:28:36,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2020-10-27 17:28:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:36,733 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:28:36,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:28:36,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:28:36,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:28:36,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:28:36,970 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-10-27 17:28:37,297 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-10-27 17:28:37,717 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 43 [2020-10-27 17:28:37,877 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:28:37,877 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:28:37,878 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:28:37,878 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:28:37,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:37,878 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:28:37,879 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:28:37,880 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:28:37,881 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,882 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:28:37,883 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:28:37,884 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:28:37,885 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,886 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:28:37,887 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,888 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:28:37,889 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,890 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:28:37,891 INFO L270 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) (not (<= 9 |old(~a19~0)|)) (not (<= 1 |old(~a10~0)|)) (not (<= 41 |old(~a1~0)|))) [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:28:37,892 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,893 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:28:37,894 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,895 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 (= ~a19~0 6) .cse1) (not (= ~a12~0 0))) (or (not (<= 9 |old(~a19~0)|)) .cse2) (or .cse2 (not (<= 41 |old(~a1~0)|))) (or .cse2 (not (<= 1 |old(~a10~0)|)))))) [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:28:37,896 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,897 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:28:37,898 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,899 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:28:37,900 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,901 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,902 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,902 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:37,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:37,902 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 9 ~a19~0) [2020-10-27 17:28:37,902 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:28:37,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:37,902 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-27 17:28:37,902 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:37,903 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (<= 41 ~a1~0) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and (= 14 ~a4~0) (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) (= ~a12~0 0) (= ~a19~0 6)) (<= 1 ~a10~0)) [2020-10-27 17:28:37,903 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:28:37,903 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:28:37,903 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (<= 41 ~a1~0) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (and (= 14 ~a4~0) (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) (= ~a12~0 0) (= ~a19~0 6)) (<= 1 ~a10~0)) [2020-10-27 17:28:37,903 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:37,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:28:37 BoogieIcfgContainer [2020-10-27 17:28:37,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:28:37,927 INFO L168 Benchmark]: Toolchain (without parser) took 24800.29 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 124.1 MB in the beginning and 315.1 MB in the end (delta: -191.1 MB). Peak memory consumption was 232.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:37,927 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:28:37,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 128.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:37,929 INFO L168 Benchmark]: Boogie Preprocessor took 136.49 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 124.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:37,930 INFO L168 Benchmark]: RCFGBuilder took 1564.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 102.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:37,931 INFO L168 Benchmark]: TraceAbstraction took 22237.84 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 102.1 MB in the beginning and 315.1 MB in the end (delta: -213.0 MB). Peak memory consumption was 209.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:37,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 846.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 128.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.49 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 124.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1564.16 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 102.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22237.84 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 102.1 MB in the beginning and 315.1 MB in the end (delta: -213.0 MB). Peak memory consumption was 209.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((41 <= a1 || !(9 <= \old(a19))) || 9 <= a19) || ((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || 1 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 1775 SDslu, 103 SDs, 0 SdLazy, 4272 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1459occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 350 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 100 PreInvPairs, 130 NumberOfFragments, 260 HoareAnnotationTreeSize, 100 FomulaSimplifications, 37521 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1035 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 837 ConstructedInterpolants, 0 QuantifiedInterpolants, 319776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 235/240 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...