/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:35:26,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:35:26,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:35:26,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:35:26,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:35:26,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:35:26,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:35:26,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:35:26,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:35:26,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:35:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:35:26,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:35:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:35:26,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:35:26,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:35:26,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:35:26,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:35:26,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:35:26,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:35:26,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:35:26,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:35:26,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:35:26,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:35:26,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:35:26,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:35:26,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:35:26,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:35:26,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:35:26,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:35:26,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:35:26,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:35:26,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:35:26,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:35:26,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:35:26,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:35:26,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:35:26,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:35:26,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:35:26,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:35:26,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:35:26,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:35:26,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:35:26,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:35:26,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:35:26,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:35:26,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:35:26,806 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:35:26,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:35:26,806 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:35:26,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:35:26,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:35:26,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:35:26,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:35:26,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:35:26,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:35:26,808 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:35:26,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:35:26,808 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:35:26,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:35:26,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:35:26,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:35:26,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:35:26,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:35:26,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:35:26,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:35:26,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:35:26,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:35:26,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:35:26,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:35:26,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:35:26,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:35:26,811 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:35:27,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:35:27,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:35:27,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:35:27,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:35:27,195 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:35:27,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-11-06 22:35:27,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae595bc8/c05eb5b2fb724943862ef4ce00632e2c/FLAG2d5f46ccc [2020-11-06 22:35:27,944 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:35:27,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-11-06 22:35:27,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae595bc8/c05eb5b2fb724943862ef4ce00632e2c/FLAG2d5f46ccc [2020-11-06 22:35:28,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae595bc8/c05eb5b2fb724943862ef4ce00632e2c [2020-11-06 22:35:28,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:35:28,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:35:28,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:28,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:35:28,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:35:28,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:28,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383ca202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28, skipping insertion in model container [2020-11-06 22:35:28,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:28,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:35:28,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:35:28,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:28,703 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:35:28,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:28,882 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:35:28,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28 WrapperNode [2020-11-06 22:35:28,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:28,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:35:28,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:35:28,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:35:28,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:28,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:28,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:28,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:29,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:29,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:29,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... [2020-11-06 22:35:29,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:35:29,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:35:29,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:35:29,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:35:29,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-06 22:35:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:35:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:35:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:35:29,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:35:29,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:35:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:35:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:35:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:35:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:35:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:35:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:35:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:35:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:35:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:35:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:35:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:35:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:35:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:35:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:35:30,382 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:35:30,383 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:35:30,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:30 BoogieIcfgContainer [2020-11-06 22:35:30,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:35:30,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:35:30,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:35:30,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:35:30,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:28" (1/3) ... [2020-11-06 22:35:30,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa83f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:30, skipping insertion in model container [2020-11-06 22:35:30,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:28" (2/3) ... [2020-11-06 22:35:30,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa83f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:30, skipping insertion in model container [2020-11-06 22:35:30,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:30" (3/3) ... [2020-11-06 22:35:30,394 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-11-06 22:35:30,408 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:35:30,411 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:35:30,423 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:35:30,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:35:30,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:35:30,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:35:30,451 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:35:30,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:35:30,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:35:30,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:35:30,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:35:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:35:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-06 22:35:30,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:30,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:30,492 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1315389285, now seen corresponding path program 1 times [2020-11-06 22:35:30,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:30,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148794934] [2020-11-06 22:35:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:31,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:31,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148794934] [2020-11-06 22:35:31,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:31,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:35:31,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157497103] [2020-11-06 22:35:31,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:35:31,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:31,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:35:31,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:35:31,256 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:35:31,421 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:35:33,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:33,564 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-11-06 22:35:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:35:33,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-11-06 22:35:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:33,585 INFO L225 Difference]: With dead ends: 676 [2020-11-06 22:35:33,585 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:35:33,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:35:33,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:35:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-11-06 22:35:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-11-06 22:35:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-11-06 22:35:33,680 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 120 [2020-11-06 22:35:33,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:33,681 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-11-06 22:35:33,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:35:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-11-06 22:35:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-06 22:35:33,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:33,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:33,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:35:33,691 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:33,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:33,692 INFO L82 PathProgramCache]: Analyzing trace with hash 606977433, now seen corresponding path program 1 times [2020-11-06 22:35:33,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:33,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182344205] [2020-11-06 22:35:33,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:33,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:33,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:34,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182344205] [2020-11-06 22:35:34,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:34,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:35:34,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103390901] [2020-11-06 22:35:34,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:34,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:34,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:34,008 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-11-06 22:35:34,158 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:35:34,675 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:35:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:36,190 INFO L93 Difference]: Finished difference Result 982 states and 1451 transitions. [2020-11-06 22:35:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:35:36,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2020-11-06 22:35:36,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:36,199 INFO L225 Difference]: With dead ends: 982 [2020-11-06 22:35:36,200 INFO L226 Difference]: Without dead ends: 655 [2020-11-06 22:35:36,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-11-06 22:35:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2020-11-06 22:35:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-11-06 22:35:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 886 transitions. [2020-11-06 22:35:36,268 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 886 transitions. Word has length 128 [2020-11-06 22:35:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:36,269 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 886 transitions. [2020-11-06 22:35:36,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 886 transitions. [2020-11-06 22:35:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-06 22:35:36,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:36,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:36,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:35:36,277 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:36,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:36,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1924460320, now seen corresponding path program 1 times [2020-11-06 22:35:36,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:36,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143663019] [2020-11-06 22:35:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:36,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143663019] [2020-11-06 22:35:36,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:36,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:35:36,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994308516] [2020-11-06 22:35:36,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:36,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:36,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:36,607 INFO L87 Difference]: Start difference. First operand 640 states and 886 transitions. Second operand 7 states. [2020-11-06 22:35:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:38,817 INFO L93 Difference]: Finished difference Result 1919 states and 2803 transitions. [2020-11-06 22:35:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:35:38,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-11-06 22:35:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:38,837 INFO L225 Difference]: With dead ends: 1919 [2020-11-06 22:35:38,838 INFO L226 Difference]: Without dead ends: 1285 [2020-11-06 22:35:38,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:35:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-11-06 22:35:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1253. [2020-11-06 22:35:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2020-11-06 22:35:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1707 transitions. [2020-11-06 22:35:38,980 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1707 transitions. Word has length 131 [2020-11-06 22:35:38,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:38,982 INFO L481 AbstractCegarLoop]: Abstraction has 1253 states and 1707 transitions. [2020-11-06 22:35:38,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1707 transitions. [2020-11-06 22:35:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-06 22:35:38,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:38,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:39,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:35:39,000 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1711550532, now seen corresponding path program 1 times [2020-11-06 22:35:39,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:39,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113040746] [2020-11-06 22:35:39,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:39,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113040746] [2020-11-06 22:35:39,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525434575] [2020-11-06 22:35:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:39,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 22:35:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:35:39,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:39,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-11-06 22:35:39,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535921465] [2020-11-06 22:35:39,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 22:35:39,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:39,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 22:35:39,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:39,825 INFO L87 Difference]: Start difference. First operand 1253 states and 1707 transitions. Second operand 9 states. [2020-11-06 22:35:40,320 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:35:41,439 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:35:46,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:46,208 INFO L93 Difference]: Finished difference Result 5391 states and 8163 transitions. [2020-11-06 22:35:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-06 22:35:46,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-11-06 22:35:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:46,245 INFO L225 Difference]: With dead ends: 5391 [2020-11-06 22:35:46,245 INFO L226 Difference]: Without dead ends: 4144 [2020-11-06 22:35:46,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2020-11-06 22:35:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2020-11-06 22:35:46,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 3805. [2020-11-06 22:35:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3805 states. [2020-11-06 22:35:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 3805 states and 5185 transitions. [2020-11-06 22:35:46,459 INFO L78 Accepts]: Start accepts. Automaton has 3805 states and 5185 transitions. Word has length 133 [2020-11-06 22:35:46,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:46,461 INFO L481 AbstractCegarLoop]: Abstraction has 3805 states and 5185 transitions. [2020-11-06 22:35:46,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 22:35:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3805 states and 5185 transitions. [2020-11-06 22:35:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-06 22:35:46,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:46,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:46,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:46,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:46,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1796792343, now seen corresponding path program 1 times [2020-11-06 22:35:46,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:46,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548104335] [2020-11-06 22:35:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:46,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548104335] [2020-11-06 22:35:46,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:46,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:35:46,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7189361] [2020-11-06 22:35:46,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:35:46,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:35:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:35:46,995 INFO L87 Difference]: Start difference. First operand 3805 states and 5185 transitions. Second operand 8 states. [2020-11-06 22:35:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:49,894 INFO L93 Difference]: Finished difference Result 9384 states and 13008 transitions. [2020-11-06 22:35:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:35:49,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-11-06 22:35:49,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:49,930 INFO L225 Difference]: With dead ends: 9384 [2020-11-06 22:35:49,931 INFO L226 Difference]: Without dead ends: 5585 [2020-11-06 22:35:49,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:35:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2020-11-06 22:35:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5429. [2020-11-06 22:35:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5429 states. [2020-11-06 22:35:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 6821 transitions. [2020-11-06 22:35:50,158 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 6821 transitions. Word has length 155 [2020-11-06 22:35:50,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:50,158 INFO L481 AbstractCegarLoop]: Abstraction has 5429 states and 6821 transitions. [2020-11-06 22:35:50,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:35:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 6821 transitions. [2020-11-06 22:35:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-06 22:35:50,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:50,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:50,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 22:35:50,176 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:50,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1037052658, now seen corresponding path program 1 times [2020-11-06 22:35:50,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:50,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485733026] [2020-11-06 22:35:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,370 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:35:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:35:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-06 22:35:50,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485733026] [2020-11-06 22:35:50,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2223119] [2020-11-06 22:35:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:50,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:50,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:35:50,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:50,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:35:50,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975693959] [2020-11-06 22:35:50,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:35:50,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:50,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:35:50,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:50,956 INFO L87 Difference]: Start difference. First operand 5429 states and 6821 transitions. Second operand 10 states. [2020-11-06 22:35:51,948 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:35:53,039 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-11-06 22:35:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:55,487 INFO L93 Difference]: Finished difference Result 12946 states and 16617 transitions. [2020-11-06 22:35:55,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:35:55,490 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-06 22:35:55,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:55,528 INFO L225 Difference]: With dead ends: 12946 [2020-11-06 22:35:55,528 INFO L226 Difference]: Without dead ends: 6565 [2020-11-06 22:35:55,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-11-06 22:35:55,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6565 states. [2020-11-06 22:35:55,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6389. [2020-11-06 22:35:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6389 states. [2020-11-06 22:35:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6389 states to 6389 states and 7338 transitions. [2020-11-06 22:35:55,803 INFO L78 Accepts]: Start accepts. Automaton has 6389 states and 7338 transitions. Word has length 185 [2020-11-06 22:35:55,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:55,804 INFO L481 AbstractCegarLoop]: Abstraction has 6389 states and 7338 transitions. [2020-11-06 22:35:55,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:35:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 6389 states and 7338 transitions. [2020-11-06 22:35:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-06 22:35:55,821 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:55,822 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:56,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:56,038 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:56,039 INFO L82 PathProgramCache]: Analyzing trace with hash -149666893, now seen corresponding path program 1 times [2020-11-06 22:35:56,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:56,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021913811] [2020-11-06 22:35:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 22:35:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-11-06 22:35:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-06 22:35:56,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021913811] [2020-11-06 22:35:56,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614104891] [2020-11-06 22:35:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:56,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:56,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:35:56,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:56,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:35:56,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191284460] [2020-11-06 22:35:56,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:35:56,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:56,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:35:56,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:56,595 INFO L87 Difference]: Start difference. First operand 6389 states and 7338 transitions. Second operand 10 states. [2020-11-06 22:35:58,298 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-11-06 22:35:58,712 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:35:59,043 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:36:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:02,259 INFO L93 Difference]: Finished difference Result 11952 states and 13613 transitions. [2020-11-06 22:36:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-11-06 22:36:02,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-11-06 22:36:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:02,284 INFO L225 Difference]: With dead ends: 11952 [2020-11-06 22:36:02,284 INFO L226 Difference]: Without dead ends: 5100 [2020-11-06 22:36:02,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=208, Invalid=848, Unknown=0, NotChecked=0, Total=1056 [2020-11-06 22:36:02,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2020-11-06 22:36:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 4788. [2020-11-06 22:36:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4788 states. [2020-11-06 22:36:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4788 states to 4788 states and 5171 transitions. [2020-11-06 22:36:02,439 INFO L78 Accepts]: Start accepts. Automaton has 4788 states and 5171 transitions. Word has length 212 [2020-11-06 22:36:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:02,440 INFO L481 AbstractCegarLoop]: Abstraction has 4788 states and 5171 transitions. [2020-11-06 22:36:02,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:36:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 4788 states and 5171 transitions. [2020-11-06 22:36:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-06 22:36:02,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:02,455 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:02,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:02,670 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:02,671 INFO L82 PathProgramCache]: Analyzing trace with hash -226922033, now seen corresponding path program 1 times [2020-11-06 22:36:02,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:02,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673136529] [2020-11-06 22:36:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:02,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 22:36:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-06 22:36:03,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673136529] [2020-11-06 22:36:03,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366688586] [2020-11-06 22:36:03,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:03,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-06 22:36:03,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:03,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:36:03,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578807074] [2020-11-06 22:36:03,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:03,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:03,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:03,437 INFO L87 Difference]: Start difference. First operand 4788 states and 5171 transitions. Second operand 3 states. [2020-11-06 22:36:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:03,994 INFO L93 Difference]: Finished difference Result 8394 states and 9054 transitions. [2020-11-06 22:36:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:03,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-06 22:36:03,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:03,998 INFO L225 Difference]: With dead ends: 8394 [2020-11-06 22:36:03,998 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:36:04,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:36:04,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:36:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:36:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:36:04,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-11-06 22:36:04,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:04,015 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:36:04,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:36:04,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:36:04,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:04,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:36:05,028 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2020-11-06 22:36:05,186 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2020-11-06 22:36:05,393 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 31 [2020-11-06 22:36:07,552 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 202 DAG size of output: 78 [2020-11-06 22:36:08,172 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 56 [2020-11-06 22:36:08,719 WARN L194 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 56 [2020-11-06 22:36:09,236 WARN L194 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-11-06 22:36:09,241 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:36:09,241 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:36:09,242 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:36:09,242 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:36:09,242 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:09,243 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:36:09,243 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:09,243 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:36:09,243 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:09,244 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,245 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:36:09,246 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,247 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:36:09,248 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,249 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:36:09,250 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:36:09,251 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:36:09,252 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:36:09,253 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:36:09,254 INFO L262 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~a25~0)|))) (.cse6 (not (= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a19~0)| 1))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse7 (= 11 |old(~a28~0)|)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse1 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (<= 10 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) .cse1) (or .cse6 .cse0 .cse2 .cse1) (or .cse7 .cse8 .cse0 .cse2) (or .cse4 (not (<= |old(~a28~0)| 8)) .cse8 .cse2 .cse1) (or .cse4 .cse6 .cse8 .cse2) (or .cse6 .cse5 .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse4 .cse5) (or .cse4 .cse5 .cse8) (or .cse5 .cse7 .cse8 .cse0 .cse1) (or .cse6 .cse5 .cse8) (or .cse4 .cse7 .cse2 .cse1 .cse3))) [2020-11-06 22:36:09,254 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:36:09,254 INFO L266 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-11-06 22:36:09,254 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:36:09,254 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:36:09,254 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:36:09,255 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,256 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:36:09,257 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:36:09,258 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,259 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:36:09,260 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a19~0 1)) (.cse19 (= ~a25~0 1))) (let ((.cse16 (= ~a25~0 ~a11~0)) (.cse18 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse11 (not (= 10 |old(~a28~0)|))) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a28~0 10)) (.cse8 (not (<= |old(~a19~0)| 0))) (.cse13 (not (= |old(~a25~0)| 1))) (.cse15 (and .cse0 .cse17 .cse1 .cse9 .cse19)) (.cse12 (not (= |old(~a19~0)| 1))) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a17~0 8)) (.cse5 (= 11 |old(~a28~0)|)) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse7 (not (= 0 |old(~a25~0)|))) (.cse14 (= |old(~a17~0)| |old(~a28~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7 .cse8) (or (and .cse1 .cse9 .cse2 .cse3 .cse10) .cse11 .cse12 .cse6) (or .cse13 .cse12 (not (<= 10 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) .cse14 .cse15) (or .cse7 (and .cse0 .cse16 .cse17 .cse2 .cse4) .cse14 .cse8 .cse18) (or .cse13 (not (<= |old(~a28~0)| 8)) (and .cse0 .cse1 .cse3 .cse19 .cse4) .cse6 .cse8 .cse14) (or .cse13 .cse11 .cse6 (and .cse1 .cse3 .cse19 .cse4 .cse10) .cse8) (or .cse13 .cse12 (and .cse0 .cse1 .cse9 .cse3 .cse19) .cse6) (or .cse13 .cse5 (and .cse0 .cse16 .cse17 .cse19 .cse4) .cse8 .cse14 .cse18) (or (and .cse17 .cse1 .cse9 .cse2 .cse10) .cse11 .cse12 .cse7 .cse14) (or .cse11 (and .cse17 .cse1 .cse2 .cse4 .cse10) .cse7 .cse8 .cse14) (or (not (<= |old(~a28~0)| 7)) .cse13 .cse12 .cse15) (or .cse12 (and .cse0 .cse1 .cse9 .cse2 .cse3) .cse5 .cse6 .cse7 .cse14)))) [2020-11-06 22:36:09,260 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:36:09,261 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,262 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:36:09,263 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:09,264 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a17~0 8) (<= ~a28~0 7)) [2020-11-06 22:36:09,264 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:36:09,264 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:09,265 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse6 (= ~a25~0 ~a11~0)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse5 (= ~a25~0 0)) (.cse7 (not (= ~a28~0 11))) (.cse0 (<= ~a19~0 0)) (.cse9 (<= ~a28~0 7)) (.cse8 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse2 (= ~a25~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse4 .cse0 .cse5 .cse3) (and .cse4 .cse6 .cse0 .cse2 .cse7) (and .cse8 .cse1 .cse3) (and .cse4 .cse6 .cse0 .cse5) (and .cse4 .cse8 .cse5 .cse3) (and .cse4 .cse8 .cse5 .cse1 .cse7) (and .cse4 (<= ~a11~0 0) (<= 10 ~a28~0) .cse8 .cse2) (and .cse0 .cse5 .cse1 .cse7) (and .cse0 .cse1 .cse2 .cse9) (and .cse8 .cse2 .cse9) (= |old(~a17~0)| |old(~a28~0)|) (and .cse8 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:09,265 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:36:09,265 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:09,265 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:09,265 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse6 (= ~a25~0 ~a11~0)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse5 (= ~a25~0 0)) (.cse7 (not (= ~a28~0 11))) (.cse0 (<= ~a19~0 0)) (.cse9 (<= ~a28~0 7)) (.cse8 (= ~a19~0 1)) (.cse1 (= ~a17~0 8)) (.cse2 (= ~a25~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse4 .cse0 .cse5 .cse3) (and .cse4 .cse6 .cse0 .cse2 .cse7) (and .cse8 .cse1 .cse3) (and .cse4 .cse6 .cse0 .cse5) (and .cse4 .cse8 .cse5 .cse3) (and .cse4 .cse8 .cse5 .cse1 .cse7) (and .cse4 (<= ~a11~0 0) (<= 10 ~a28~0) .cse8 .cse2) (and .cse0 .cse5 .cse1 .cse7) (and .cse0 .cse1 .cse2 .cse9) (and .cse8 .cse2 .cse9) (= |old(~a17~0)| |old(~a28~0)|) (and .cse8 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:09,265 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:36:09,265 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:36:09,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:09 BoogieIcfgContainer [2020-11-06 22:36:09,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:36:09,303 INFO L168 Benchmark]: Toolchain (without parser) took 41090.91 ms. Allocated memory was 151.0 MB in the beginning and 638.6 MB in the end (delta: 487.6 MB). Free memory was 124.9 MB in the beginning and 576.7 MB in the end (delta: -451.8 MB). Peak memory consumption was 389.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:09,303 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:36:09,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.52 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 98.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:09,307 INFO L168 Benchmark]: Boogie Preprocessor took 188.09 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:09,308 INFO L168 Benchmark]: RCFGBuilder took 1310.10 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 130.0 MB in the beginning and 146.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:09,309 INFO L168 Benchmark]: TraceAbstraction took 38911.54 ms. Allocated memory was 188.7 MB in the beginning and 638.6 MB in the end (delta: 449.8 MB). Free memory was 145.7 MB in the beginning and 576.7 MB in the end (delta: -431.0 MB). Peak memory consumption was 372.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:09,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 668.52 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 98.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 188.09 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1310.10 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 130.0 MB in the beginning and 146.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38911.54 ms. Allocated memory was 188.7 MB in the beginning and 638.6 MB in the end (delta: 449.8 MB). Free memory was 145.7 MB in the beginning and 576.7 MB in the end (delta: -431.0 MB). Peak memory consumption was 372.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((((((((a19 <= 0 && a17 == 8) && a25 == 1) && a28 == 10) || !(\old(a19) == 1)) || !(\old(a28) <= 8)) || !(8 == \old(a17))) || !(0 == \old(a25))) || (((!(a28 == a17) && a19 <= 0) && a25 == 0) && a28 == 10)) || ((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a25 == 1) && !(a28 == 11))) || ((a19 == 1 && a17 == 8) && a28 == 10)) || (((!(a28 == a17) && a25 == a11) && a19 <= 0) && a25 == 0)) || (((!(a28 == a17) && a19 == 1) && a25 == 0) && a28 == 10)) || ((((!(a28 == a17) && a19 == 1) && a25 == 0) && a17 == 8) && !(a28 == 11))) || ((((!(a28 == a17) && a11 <= 0) && 10 <= a28) && a19 == 1) && a25 == 1)) || (((a19 <= 0 && a25 == 0) && a17 == 8) && !(a28 == 11))) || (((a19 <= 0 && a17 == 8) && a25 == 1) && a28 <= 7)) || ((a19 == 1 && a25 == 1) && a28 <= 7)) || \old(a17) == \old(a28)) || ((a19 == 1 && a17 == 8) && a25 == 1)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 7089 SDslu, 622 SDs, 0 SdLazy, 11106 SolverSat, 2222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 822 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6389occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 1039 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 396 PreInvPairs, 484 NumberOfFragments, 1108 HoareAnnotationTreeSize, 396 FomulaSimplifications, 39943 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7177 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2046 NumberOfCodeBlocks, 2046 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2034 ConstructedInterpolants, 0 QuantifiedInterpolants, 1131058 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2135 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 839/907 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...