/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:11:39,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:11:39,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:11:39,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 01:11:39,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 01:11:39,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 01:11:39,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 01:11:39,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 01:11:39,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 01:11:39,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 01:11:39,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 01:11:39,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 01:11:39,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:11:39,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:11:39,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:11:39,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:11:39,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:11:39,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:11:39,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:11:39,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:11:39,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:11:39,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:11:39,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:11:39,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:11:39,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 01:11:39,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 01:11:39,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 01:11:39,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 01:11:39,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 01:11:39,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 01:11:39,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 01:11:39,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 01:11:39,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 01:11:39,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 01:11:39,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 01:11:39,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 01:11:39,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 01:11:39,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 01:11:39,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:11:39,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:11:39,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:11:39,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:11:40,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:11:40,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:11:40,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:11:40,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:11:40,017 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:11:40,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:11:40,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:11:40,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:11:40,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:11:40,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:11:40,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:11:40,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:11:40,021 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:11:40,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:11:40,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:11:40,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:11:40,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:11:40,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:11:40,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:11:40,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:11:40,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:11:40,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:11:40,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:11:40,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:11:40,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:11:40,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:11:40,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:11:40,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:11:40,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:11:40,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:11:40,463 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:11:40,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2020-12-22 01:11:40,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6e3fc7a/03d5cefd2c0f4f7699f02aaf172b0349/FLAGa69018ee3 [2020-12-22 01:11:41,298 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:11:41,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2020-12-22 01:11:41,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6e3fc7a/03d5cefd2c0f4f7699f02aaf172b0349/FLAGa69018ee3 [2020-12-22 01:11:41,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6e3fc7a/03d5cefd2c0f4f7699f02aaf172b0349 [2020-12-22 01:11:41,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:11:41,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:11:41,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:41,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:11:41,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:11:41,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:41" (1/1) ... [2020-12-22 01:11:41,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795cd187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:41, skipping insertion in model container [2020-12-22 01:11:41,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:41" (1/1) ... [2020-12-22 01:11:41,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:11:41,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:11:41,894 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2020-12-22 01:11:42,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:42,094 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:11:42,151 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2020-12-22 01:11:42,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:42,395 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:11:42,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42 WrapperNode [2020-12-22 01:11:42,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:42,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:42,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:11:42,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:11:42,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:42,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:11:42,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:11:42,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:11:42,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:11:42,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:11:42,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:11:42,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:11:42,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (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 [2020-12-22 01:11:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:11:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:11:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:11:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:11:44,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:11:44,431 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:11:44,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:44 BoogieIcfgContainer [2020-12-22 01:11:44,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:11:44,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:11:44,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:11:44,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:11:44,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:11:41" (1/3) ... [2020-12-22 01:11:44,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a474db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:44, skipping insertion in model container [2020-12-22 01:11:44,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42" (2/3) ... [2020-12-22 01:11:44,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a474db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:44, skipping insertion in model container [2020-12-22 01:11:44,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:44" (3/3) ... [2020-12-22 01:11:44,444 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-12-22 01:11:44,451 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:11:44,458 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:11:44,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:11:44,509 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:11:44,509 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:11:44,509 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:11:44,510 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:11:44,510 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:11:44,510 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:11:44,510 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:11:44,510 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:11:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:11:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 01:11:44,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:44,540 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] [2020-12-22 01:11:44,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2020-12-22 01:11:44,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:44,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957126821] [2020-12-22 01:11:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:44,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957126821] [2020-12-22 01:11:44,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:44,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:44,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648781834] [2020-12-22 01:11:44,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:44,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:44,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:44,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:44,828 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:11:46,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:46,097 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-22 01:11:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:46,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-12-22 01:11:46,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:46,136 INFO L225 Difference]: With dead ends: 552 [2020-12-22 01:11:46,137 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:11:46,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:46,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:11:46,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:11:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:11:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-22 01:11:46,283 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 30 [2020-12-22 01:11:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:46,284 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-22 01:11:46,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-22 01:11:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-22 01:11:46,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:46,291 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:46,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:11:46,293 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:46,295 INFO L82 PathProgramCache]: Analyzing trace with hash -672719885, now seen corresponding path program 1 times [2020-12-22 01:11:46,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:46,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783616380] [2020-12-22 01:11:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:46,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783616380] [2020-12-22 01:11:46,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:46,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:46,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192175325] [2020-12-22 01:11:46,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:46,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:46,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:46,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:46,607 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-22 01:11:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:47,304 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-12-22 01:11:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:47,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-22 01:11:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:47,314 INFO L225 Difference]: With dead ends: 701 [2020-12-22 01:11:47,314 INFO L226 Difference]: Without dead ends: 421 [2020-12-22 01:11:47,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-22 01:11:47,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-22 01:11:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-22 01:11:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2020-12-22 01:11:47,345 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 99 [2020-12-22 01:11:47,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:47,346 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2020-12-22 01:11:47,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2020-12-22 01:11:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-22 01:11:47,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:47,350 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:47,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:11:47,351 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:47,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1231744932, now seen corresponding path program 1 times [2020-12-22 01:11:47,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:47,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662888400] [2020-12-22 01:11:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:47,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662888400] [2020-12-22 01:11:47,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:47,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:47,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578737729] [2020-12-22 01:11:47,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:47,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:47,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:47,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:47,531 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2020-12-22 01:11:48,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:48,305 INFO L93 Difference]: Finished difference Result 562 states and 822 transitions. [2020-12-22 01:11:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:48,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-22 01:11:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:48,309 INFO L225 Difference]: With dead ends: 562 [2020-12-22 01:11:48,310 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:48,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-12-22 01:11:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-22 01:11:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2020-12-22 01:11:48,364 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 105 [2020-12-22 01:11:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:48,365 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2020-12-22 01:11:48,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2020-12-22 01:11:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-22 01:11:48,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:48,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:48,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:11:48,371 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:48,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:48,372 INFO L82 PathProgramCache]: Analyzing trace with hash -93865008, now seen corresponding path program 1 times [2020-12-22 01:11:48,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:48,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898871092] [2020-12-22 01:11:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:48,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898871092] [2020-12-22 01:11:48,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:48,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:48,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271342658] [2020-12-22 01:11:48,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:11:48,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:48,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:11:48,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:11:48,677 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 4 states. [2020-12-22 01:11:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:49,523 INFO L93 Difference]: Finished difference Result 848 states and 1218 transitions. [2020-12-22 01:11:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 01:11:49,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-22 01:11:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:49,530 INFO L225 Difference]: With dead ends: 848 [2020-12-22 01:11:49,531 INFO L226 Difference]: Without dead ends: 429 [2020-12-22 01:11:49,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:11:49,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-12-22 01:11:49,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2020-12-22 01:11:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-22 01:11:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2020-12-22 01:11:49,545 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 124 [2020-12-22 01:11:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:49,546 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2020-12-22 01:11:49,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:11:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2020-12-22 01:11:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-22 01:11:49,553 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:49,553 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, 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] [2020-12-22 01:11:49,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:11:49,554 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:49,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash 579397412, now seen corresponding path program 1 times [2020-12-22 01:11:49,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:49,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568199828] [2020-12-22 01:11:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:49,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568199828] [2020-12-22 01:11:49,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:49,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:49,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210938755] [2020-12-22 01:11:49,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:49,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:49,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:49,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:49,813 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand 3 states. [2020-12-22 01:11:50,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:50,517 INFO L93 Difference]: Finished difference Result 979 states and 1435 transitions. [2020-12-22 01:11:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:50,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-22 01:11:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:50,524 INFO L225 Difference]: With dead ends: 979 [2020-12-22 01:11:50,524 INFO L226 Difference]: Without dead ends: 699 [2020-12-22 01:11:50,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-22 01:11:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-12-22 01:11:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:11:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 725 transitions. [2020-12-22 01:11:50,541 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 725 transitions. Word has length 174 [2020-12-22 01:11:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:50,541 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 725 transitions. [2020-12-22 01:11:50,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 725 transitions. [2020-12-22 01:11:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-22 01:11:50,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:50,545 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:50,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:11:50,546 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1083873138, now seen corresponding path program 1 times [2020-12-22 01:11:50,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:50,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407551166] [2020-12-22 01:11:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:50,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407551166] [2020-12-22 01:11:50,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:50,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:11:50,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617944696] [2020-12-22 01:11:50,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:11:50,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:50,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:11:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:50,913 INFO L87 Difference]: Start difference. First operand 560 states and 725 transitions. Second operand 7 states. [2020-12-22 01:11:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:51,621 INFO L93 Difference]: Finished difference Result 1034 states and 1359 transitions. [2020-12-22 01:11:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:11:51,623 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-12-22 01:11:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:51,627 INFO L225 Difference]: With dead ends: 1034 [2020-12-22 01:11:51,627 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:51,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:51,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:11:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:11:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 722 transitions. [2020-12-22 01:11:51,646 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 722 transitions. Word has length 183 [2020-12-22 01:11:51,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:51,646 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 722 transitions. [2020-12-22 01:11:51,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:11:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 722 transitions. [2020-12-22 01:11:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-12-22 01:11:51,650 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:51,651 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:51,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:11:51,652 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:51,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:51,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1161377560, now seen corresponding path program 1 times [2020-12-22 01:11:51,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:51,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886677748] [2020-12-22 01:11:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:51,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886677748] [2020-12-22 01:11:51,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:51,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:51,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657792627] [2020-12-22 01:11:51,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:51,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:51,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:51,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:51,874 INFO L87 Difference]: Start difference. First operand 560 states and 722 transitions. Second operand 3 states. [2020-12-22 01:11:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:52,545 INFO L93 Difference]: Finished difference Result 1257 states and 1726 transitions. [2020-12-22 01:11:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:52,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-12-22 01:11:52,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:52,550 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 01:11:52,550 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:11:52,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:52,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:11:52,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-12-22 01:11:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:11:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2020-12-22 01:11:52,572 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 219 [2020-12-22 01:11:52,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:52,573 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2020-12-22 01:11:52,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2020-12-22 01:11:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-12-22 01:11:52,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:52,577 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:52,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:11:52,578 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:52,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:52,579 INFO L82 PathProgramCache]: Analyzing trace with hash 277124561, now seen corresponding path program 1 times [2020-12-22 01:11:52,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:52,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806784059] [2020-12-22 01:11:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 70 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:53,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806784059] [2020-12-22 01:11:53,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329299337] [2020-12-22 01:11:53,101 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 [2020-12-22 01:11:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:53,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:53,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-22 01:11:53,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:53,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-12-22 01:11:53,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909322286] [2020-12-22 01:11:53,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:53,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:53,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:53,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:53,854 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand 3 states. [2020-12-22 01:11:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:54,585 INFO L93 Difference]: Finished difference Result 1535 states and 2034 transitions. [2020-12-22 01:11:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:54,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2020-12-22 01:11:54,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:54,592 INFO L225 Difference]: With dead ends: 1535 [2020-12-22 01:11:54,592 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:11:54,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:11:54,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-22 01:11:54,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-22 01:11:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1213 transitions. [2020-12-22 01:11:54,621 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1213 transitions. Word has length 262 [2020-12-22 01:11:54,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:54,622 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1213 transitions. [2020-12-22 01:11:54,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1213 transitions. [2020-12-22 01:11:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-22 01:11:54,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:54,628 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:54,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-22 01:11:54,844 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1408407092, now seen corresponding path program 1 times [2020-12-22 01:11:54,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:54,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873860627] [2020-12-22 01:11:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 55 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:55,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873860627] [2020-12-22 01:11:55,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909544674] [2020-12-22 01:11:55,388 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 [2020-12-22 01:11:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:55,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:55,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-22 01:11:55,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:55,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:11:55,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932947079] [2020-12-22 01:11:55,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:55,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:55,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:55,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:11:55,842 INFO L87 Difference]: Start difference. First operand 977 states and 1213 transitions. Second operand 3 states. [2020-12-22 01:11:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:56,517 INFO L93 Difference]: Finished difference Result 2091 states and 2658 transitions. [2020-12-22 01:11:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:56,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-12-22 01:11:56,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:56,527 INFO L225 Difference]: With dead ends: 2091 [2020-12-22 01:11:56,527 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:11:56,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:11:56,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:11:56,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-12-22 01:11:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1381 transitions. [2020-12-22 01:11:56,562 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1381 transitions. Word has length 275 [2020-12-22 01:11:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:56,563 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1381 transitions. [2020-12-22 01:11:56,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1381 transitions. [2020-12-22 01:11:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-12-22 01:11:56,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:56,571 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:56,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:56,784 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:56,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:56,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1496887766, now seen corresponding path program 1 times [2020-12-22 01:11:56,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:56,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951265379] [2020-12-22 01:11:56,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 283 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:57,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951265379] [2020-12-22 01:11:57,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12807055] [2020-12-22 01:11:57,439 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 [2020-12-22 01:11:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:57,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:57,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:11:57,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:57,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:11:57,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060883178] [2020-12-22 01:11:57,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:57,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:57,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:57,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:57,990 INFO L87 Difference]: Start difference. First operand 1116 states and 1381 transitions. Second operand 3 states. [2020-12-22 01:11:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:58,731 INFO L93 Difference]: Finished difference Result 2786 states and 3460 transitions. [2020-12-22 01:11:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:58,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-12-22 01:11:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:58,742 INFO L225 Difference]: With dead ends: 2786 [2020-12-22 01:11:58,743 INFO L226 Difference]: Without dead ends: 1811 [2020-12-22 01:11:58,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:58,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-12-22 01:11:58,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2020-12-22 01:11:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-12-22 01:11:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2156 transitions. [2020-12-22 01:11:58,797 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2156 transitions. Word has length 330 [2020-12-22 01:11:58,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:58,798 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2156 transitions. [2020-12-22 01:11:58,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2156 transitions. [2020-12-22 01:11:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-22 01:11:58,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:58,807 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:59,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 01:11:59,022 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:59,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:59,024 INFO L82 PathProgramCache]: Analyzing trace with hash 2132057286, now seen corresponding path program 1 times [2020-12-22 01:11:59,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:59,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548298164] [2020-12-22 01:11:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-22 01:11:59,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548298164] [2020-12-22 01:11:59,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:59,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:59,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859051271] [2020-12-22 01:11:59,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:59,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:59,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:59,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:59,280 INFO L87 Difference]: Start difference. First operand 1811 states and 2156 transitions. Second operand 3 states. [2020-12-22 01:12:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:00,065 INFO L93 Difference]: Finished difference Result 4174 states and 5024 transitions. [2020-12-22 01:12:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:00,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-12-22 01:12:00,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:00,067 INFO L225 Difference]: With dead ends: 4174 [2020-12-22 01:12:00,067 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:12:00,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:12:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:12:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:12:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:12:00,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-12-22 01:12:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:00,072 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:12:00,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:12:00,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:12:00,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 01:12:00,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:12:00,252 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:12:00,252 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,253 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:12:00,254 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,255 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:12:00,256 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,257 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:12:00,258 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:12:00,259 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:12:00,260 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,261 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:12:00,262 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:12:00,263 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:12:00,264 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:12:00,265 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:12:00,265 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:12:00,265 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-12-22 01:12:00,265 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:12:00,265 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:12:00,266 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:12:00,267 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,268 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:12:00,269 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:12:00,270 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:12:00,271 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,272 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:12:00,273 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 104) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:12:00,274 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:00,275 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:12:00,276 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:12:00,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:12:00 BoogieIcfgContainer [2020-12-22 01:12:00,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:12:00,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:12:00,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:12:00,299 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:12:00,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:44" (3/4) ... [2020-12-22 01:12:00,304 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:12:00,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:12:00,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:12:00,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:00,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:00,529 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label17.c-witness.graphml [2020-12-22 01:12:00,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:12:00,532 INFO L168 Benchmark]: Toolchain (without parser) took 18979.12 ms. Allocated memory was 154.1 MB in the beginning and 340.8 MB in the end (delta: 186.6 MB). Free memory was 127.8 MB in the beginning and 299.4 MB in the end (delta: -171.5 MB). Peak memory consumption was 204.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,532 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:12:00,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.87 ms. Allocated memory is still 154.1 MB. Free memory was 127.7 MB in the beginning and 132.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.20 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 124.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,534 INFO L168 Benchmark]: Boogie Preprocessor took 131.27 ms. Allocated memory is still 154.1 MB. Free memory was 124.5 MB in the beginning and 119.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,534 INFO L168 Benchmark]: RCFGBuilder took 1756.34 ms. Allocated memory is still 154.1 MB. Free memory was 119.3 MB in the beginning and 98.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,535 INFO L168 Benchmark]: TraceAbstraction took 15862.23 ms. Allocated memory was 154.1 MB in the beginning and 340.8 MB in the end (delta: 186.6 MB). Free memory was 97.9 MB in the beginning and 115.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,535 INFO L168 Benchmark]: Witness Printer took 231.49 ms. Allocated memory is still 340.8 MB. Free memory was 115.2 MB in the beginning and 299.4 MB in the end (delta: -184.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:00,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 842.87 ms. Allocated memory is still 154.1 MB. Free memory was 127.7 MB in the beginning and 132.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 143.20 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 124.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.27 ms. Allocated memory is still 154.1 MB. Free memory was 124.5 MB in the beginning and 119.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1756.34 ms. Allocated memory is still 154.1 MB. Free memory was 119.3 MB in the beginning and 98.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15862.23 ms. Allocated memory was 154.1 MB in the beginning and 340.8 MB in the end (delta: 186.6 MB). Free memory was 97.9 MB in the beginning and 115.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 8.0 GB. * Witness Printer took 231.49 ms. Allocated memory is still 340.8 MB. Free memory was 115.2 MB in the beginning and 299.4 MB in the end (delta: -184.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 104]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4 && a12 == 0) && a10 <= 3) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((14 == a4 && a12 == 0) && a10 <= 3) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1066 SDtfs, 1184 SDslu, 59 SDs, 0 SdLazy, 4313 SolverSat, 798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 564 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 79 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1679 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3011 NumberOfCodeBlocks, 3011 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2997 ConstructedInterpolants, 0 QuantifiedInterpolants, 3722107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1252 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1886/2140 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...