/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_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:12:58,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:12:58,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:12:58,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 01:12:58,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 01:12:58,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 01:12:58,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 01:12:58,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 01:12:58,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 01:12:58,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 01:12:58,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 01:12:58,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 01:12:58,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:12:58,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:12:58,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:12:58,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:12:58,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:12:58,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:12:58,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:12:58,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:12:58,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:12:58,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:12:58,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:12:58,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:12:58,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 01:12:58,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 01:12:58,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 01:12:58,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 01:12:58,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 01:12:58,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 01:12:58,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 01:12:58,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 01:12:58,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 01:12:58,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 01:12:58,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 01:12:58,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 01:12:58,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 01:12:58,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 01:12:58,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:12:58,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:12:58,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:12:58,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:12:58,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:12:58,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:12:58,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:12:58,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:12:58,735 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:12:58,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:12:58,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:12:58,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:12:58,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:12:58,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:12:58,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:12:58,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:12:58,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:12:58,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:12:58,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:12:58,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:12:58,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:12:58,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:12:58,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:12:58,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:12:58,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:12:58,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:12:58,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:12:58,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:12:58,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:12:58,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:12:59,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:12:59,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:12:59,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:12:59,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:12:59,192 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:12:59,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2020-12-22 01:12:59,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6411b8721/7dccb0a83f2d4733ae3c2918a88c36c4/FLAG987778ae7 [2020-12-22 01:13:00,050 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:13:00,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2020-12-22 01:13:00,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6411b8721/7dccb0a83f2d4733ae3c2918a88c36c4/FLAG987778ae7 [2020-12-22 01:13:00,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6411b8721/7dccb0a83f2d4733ae3c2918a88c36c4 [2020-12-22 01:13:00,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:13:00,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:13:00,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:13:00,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:13:00,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:13:00,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:13:00" (1/1) ... [2020-12-22 01:13:00,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c383357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:00, skipping insertion in model container [2020-12-22 01:13:00,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:13:00" (1/1) ... [2020-12-22 01:13:00,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:13:00,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:13:00,599 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_label56.c[2832,2845] [2020-12-22 01:13:00,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:13:00,841 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:13:00,866 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_label56.c[2832,2845] [2020-12-22 01:13:00,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:13:01,010 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:13:01,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01 WrapperNode [2020-12-22 01:13:01,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:13:01,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:13:01,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:13:01,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:13:01,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:13:01,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:13:01,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:13:01,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:13:01,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (1/1) ... [2020-12-22 01:13:01,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:13:01,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:13:01,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:13:01,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:13:01,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (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 01:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:13:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:13:02,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:13:02,938 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:13:02,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:02 BoogieIcfgContainer [2020-12-22 01:13:02,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:13:02,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:13:02,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:13:02,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:13:02,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:13:00" (1/3) ... [2020-12-22 01:13:02,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42365aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:13:02, skipping insertion in model container [2020-12-22 01:13:02,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:01" (2/3) ... [2020-12-22 01:13:02,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42365aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:13:02, skipping insertion in model container [2020-12-22 01:13:02,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:02" (3/3) ... [2020-12-22 01:13:02,952 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label56.c [2020-12-22 01:13:02,959 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:13:02,965 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:13:02,986 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:13:03,018 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:13:03,018 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:13:03,019 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:13:03,019 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:13:03,019 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:13:03,019 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:13:03,019 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:13:03,019 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:13:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:13:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 01:13:03,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:03,048 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] [2020-12-22 01:13:03,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:03,055 INFO L82 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2020-12-22 01:13:03,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:03,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886786898] [2020-12-22 01:13:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:03,396 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 01:13:03,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886786898] [2020-12-22 01:13:03,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:03,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:03,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486504950] [2020-12-22 01:13:03,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:03,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:03,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:03,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:03,429 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:13:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:04,450 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-22 01:13:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:04,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-22 01:13:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:04,469 INFO L225 Difference]: With dead ends: 552 [2020-12-22 01:13:04,469 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:13:04,474 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 01:13:04,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:13:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:13:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:13:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-12-22 01:13:04,539 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 23 [2020-12-22 01:13:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:04,539 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-12-22 01:13:04,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-12-22 01:13:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-22 01:13:04,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:04,544 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 01:13:04,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:13:04,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1923063836, now seen corresponding path program 1 times [2020-12-22 01:13:04,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:04,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195259289] [2020-12-22 01:13:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:04,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195259289] [2020-12-22 01:13:04,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:04,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:04,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650641235] [2020-12-22 01:13:04,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:04,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:04,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:04,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:04,797 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-12-22 01:13:05,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:05,450 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-12-22 01:13:05,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:05,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-22 01:13:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:05,460 INFO L225 Difference]: With dead ends: 701 [2020-12-22 01:13:05,460 INFO L226 Difference]: Without dead ends: 421 [2020-12-22 01:13:05,467 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 01:13:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-22 01:13:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-22 01:13:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-22 01:13:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-12-22 01:13:05,523 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 89 [2020-12-22 01:13:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:05,526 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-12-22 01:13:05,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-12-22 01:13:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-22 01:13:05,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:05,533 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 01:13:05,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:13:05,534 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:05,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1000843565, now seen corresponding path program 1 times [2020-12-22 01:13:05,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:05,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135092077] [2020-12-22 01:13:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:05,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135092077] [2020-12-22 01:13:05,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:05,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:05,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632652093] [2020-12-22 01:13:05,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:05,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:05,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:05,802 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-12-22 01:13:06,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:06,327 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-12-22 01:13:06,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:06,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-22 01:13:06,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:06,334 INFO L225 Difference]: With dead ends: 979 [2020-12-22 01:13:06,334 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:13:06,335 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 01:13:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:13:06,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:13:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:13:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-12-22 01:13:06,374 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 96 [2020-12-22 01:13:06,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:06,380 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-12-22 01:13:06,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-12-22 01:13:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-22 01:13:06,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:06,387 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 01:13:06,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:13:06,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:06,390 INFO L82 PathProgramCache]: Analyzing trace with hash 2055444920, now seen corresponding path program 1 times [2020-12-22 01:13:06,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:06,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292032627] [2020-12-22 01:13:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:06,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292032627] [2020-12-22 01:13:06,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:06,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:06,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31976225] [2020-12-22 01:13:06,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:06,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:06,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:06,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:06,546 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-12-22 01:13:07,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:07,107 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2020-12-22 01:13:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:07,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-22 01:13:07,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:07,111 INFO L225 Difference]: With dead ends: 1118 [2020-12-22 01:13:07,111 INFO L226 Difference]: Without dead ends: 699 [2020-12-22 01:13:07,112 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 01:13:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-22 01:13:07,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-22 01:13:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:13:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 849 transitions. [2020-12-22 01:13:07,130 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 849 transitions. Word has length 98 [2020-12-22 01:13:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:07,130 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 849 transitions. [2020-12-22 01:13:07,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 849 transitions. [2020-12-22 01:13:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-22 01:13:07,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:07,133 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:07,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:13:07,133 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:07,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:07,134 INFO L82 PathProgramCache]: Analyzing trace with hash 964223200, now seen corresponding path program 1 times [2020-12-22 01:13:07,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:07,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019838180] [2020-12-22 01:13:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:07,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019838180] [2020-12-22 01:13:07,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:07,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:07,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081254506] [2020-12-22 01:13:07,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:07,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:07,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:07,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:07,221 INFO L87 Difference]: Start difference. First operand 699 states and 849 transitions. Second operand 3 states. [2020-12-22 01:13:07,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:07,809 INFO L93 Difference]: Finished difference Result 1535 states and 1880 transitions. [2020-12-22 01:13:07,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:07,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-22 01:13:07,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:07,815 INFO L225 Difference]: With dead ends: 1535 [2020-12-22 01:13:07,815 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:13:07,817 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 01:13:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:13:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-22 01:13:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-22 01:13:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1122 transitions. [2020-12-22 01:13:07,843 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1122 transitions. Word has length 114 [2020-12-22 01:13:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:07,843 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1122 transitions. [2020-12-22 01:13:07,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1122 transitions. [2020-12-22 01:13:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-22 01:13:07,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:07,850 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:07,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:13:07,850 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:07,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1942408564, now seen corresponding path program 1 times [2020-12-22 01:13:07,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:07,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56980494] [2020-12-22 01:13:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:08,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56980494] [2020-12-22 01:13:08,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:08,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:13:08,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033151095] [2020-12-22 01:13:08,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:13:08,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:13:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:13:08,212 INFO L87 Difference]: Start difference. First operand 977 states and 1122 transitions. Second operand 7 states. [2020-12-22 01:13:08,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:08,741 INFO L93 Difference]: Finished difference Result 1868 states and 2153 transitions. [2020-12-22 01:13:08,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:13:08,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-12-22 01:13:08,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:08,747 INFO L225 Difference]: With dead ends: 1868 [2020-12-22 01:13:08,748 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:13:08,749 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 01:13:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:13:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-22 01:13:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-22 01:13:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2020-12-22 01:13:08,769 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 171 [2020-12-22 01:13:08,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:08,769 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2020-12-22 01:13:08,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:13:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2020-12-22 01:13:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-22 01:13:08,772 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:08,773 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:08,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:13:08,773 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:08,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash 955754418, now seen corresponding path program 1 times [2020-12-22 01:13:08,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:08,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953456298] [2020-12-22 01:13:08,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-22 01:13:08,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953456298] [2020-12-22 01:13:08,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:08,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:08,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514970224] [2020-12-22 01:13:08,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:08,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:08,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:08,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:08,941 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2020-12-22 01:13:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:09,529 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2020-12-22 01:13:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:09,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-12-22 01:13:09,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:09,536 INFO L225 Difference]: With dead ends: 1952 [2020-12-22 01:13:09,537 INFO L226 Difference]: Without dead ends: 1116 [2020-12-22 01:13:09,539 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 01:13:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-22 01:13:09,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-12-22 01:13:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:13:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2020-12-22 01:13:09,577 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 207 [2020-12-22 01:13:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:09,578 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2020-12-22 01:13:09,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2020-12-22 01:13:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-22 01:13:09,581 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:09,582 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:09,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:13:09,582 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:09,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:09,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1660805995, now seen corresponding path program 1 times [2020-12-22 01:13:09,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:09,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811827408] [2020-12-22 01:13:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-22 01:13:09,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811827408] [2020-12-22 01:13:09,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834777378] [2020-12-22 01:13:09,893 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 01:13:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:10,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:13:10,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:13:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-12-22 01:13:10,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:13:10,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-22 01:13:10,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271221286] [2020-12-22 01:13:10,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:10,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:10,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:10,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:13:10,396 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2020-12-22 01:13:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:11,055 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2020-12-22 01:13:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:11,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-12-22 01:13:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:11,066 INFO L225 Difference]: With dead ends: 1813 [2020-12-22 01:13:11,066 INFO L226 Difference]: Without dead ends: 1811 [2020-12-22 01:13:11,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:13:11,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-12-22 01:13:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-12-22 01:13:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:13:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-12-22 01:13:11,101 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 217 [2020-12-22 01:13:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:11,102 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-12-22 01:13:11,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-12-22 01:13:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-22 01:13:11,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:11,107 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-22 01:13:11,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-22 01:13:11,321 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash 666553426, now seen corresponding path program 1 times [2020-12-22 01:13:11,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:11,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530851408] [2020-12-22 01:13:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 26 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:11,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530851408] [2020-12-22 01:13:11,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725744063] [2020-12-22 01:13:11,921 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 01:13:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:12,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 01:13:12,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:13:12,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:13:12,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 01:13:12,549 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:12,912 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:13,570 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:14,141 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:14,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:13:14,598 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:14,723 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:14,840 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:15,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 01:13:15,081 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:15,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 01:13:15,187 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:15,419 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:15,830 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:16,267 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:16,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:13:16,600 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:16,688 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:16,774 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:16,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 01:13:16,962 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:17,123 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:17,366 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:13:18,181 WARN L197 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 27 [2020-12-22 01:13:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:18,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 01:13:18,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-12-22 01:13:18,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13387676] [2020-12-22 01:13:18,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 01:13:18,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:18,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 01:13:18,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-22 01:13:18,804 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 8 states. [2020-12-22 01:13:21,017 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-22 01:13:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:55,674 INFO L93 Difference]: Finished difference Result 4331 states and 5073 transitions. [2020-12-22 01:13:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 01:13:55,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 271 [2020-12-22 01:13:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:55,695 INFO L225 Difference]: With dead ends: 4331 [2020-12-22 01:13:55,695 INFO L226 Difference]: Without dead ends: 3201 [2020-12-22 01:13:55,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-22 01:13:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2020-12-22 01:13:55,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2645. [2020-12-22 01:13:55,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-12-22 01:13:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3070 transitions. [2020-12-22 01:13:55,759 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3070 transitions. Word has length 271 [2020-12-22 01:13:55,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:55,760 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3070 transitions. [2020-12-22 01:13:55,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 01:13:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3070 transitions. [2020-12-22 01:13:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-12-22 01:13:55,765 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:55,766 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 01:13:55,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:13:55,967 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:55,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash -546114320, now seen corresponding path program 1 times [2020-12-22 01:13:55,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:55,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745109189] [2020-12-22 01:13:55,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-22 01:13:56,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745109189] [2020-12-22 01:13:56,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:56,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 01:13:56,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728543556] [2020-12-22 01:13:56,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 01:13:56,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:56,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 01:13:56,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:13:56,531 INFO L87 Difference]: Start difference. First operand 2645 states and 3070 transitions. Second operand 5 states. [2020-12-22 01:13:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:57,562 INFO L93 Difference]: Finished difference Result 5171 states and 6017 transitions. [2020-12-22 01:13:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 01:13:57,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-12-22 01:13:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:57,577 INFO L225 Difference]: With dead ends: 5171 [2020-12-22 01:13:57,578 INFO L226 Difference]: Without dead ends: 2645 [2020-12-22 01:13:57,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:13:57,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-12-22 01:13:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2645. [2020-12-22 01:13:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-12-22 01:13:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 2917 transitions. [2020-12-22 01:13:57,641 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 2917 transitions. Word has length 303 [2020-12-22 01:13:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:57,642 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 2917 transitions. [2020-12-22 01:13:57,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 01:13:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2917 transitions. [2020-12-22 01:13:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-12-22 01:13:57,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:57,650 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:13:57,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:13:57,650 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:57,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:57,651 INFO L82 PathProgramCache]: Analyzing trace with hash 960030519, now seen corresponding path program 1 times [2020-12-22 01:13:57,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:57,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271713878] [2020-12-22 01:13:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:13:57,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271713878] [2020-12-22 01:13:57,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980742903] [2020-12-22 01:13:57,990 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 01:13:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:58,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 01:13:58,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:13:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:13:58,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 01:13:58,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-22 01:13:58,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039046987] [2020-12-22 01:13:58,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:13:58,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:58,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:13:58,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:13:58,639 INFO L87 Difference]: Start difference. First operand 2645 states and 2917 transitions. Second operand 4 states. [2020-12-22 01:13:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:59,851 INFO L93 Difference]: Finished difference Result 6956 states and 7722 transitions. [2020-12-22 01:13:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:13:59,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 325 [2020-12-22 01:13:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:59,875 INFO L225 Difference]: With dead ends: 6956 [2020-12-22 01:13:59,876 INFO L226 Difference]: Without dead ends: 4452 [2020-12-22 01:13:59,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:13:59,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2020-12-22 01:13:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 3757. [2020-12-22 01:13:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2020-12-22 01:14:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 4133 transitions. [2020-12-22 01:14:00,006 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 4133 transitions. Word has length 325 [2020-12-22 01:14:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:14:00,007 INFO L481 AbstractCegarLoop]: Abstraction has 3757 states and 4133 transitions. [2020-12-22 01:14:00,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:14:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 4133 transitions. [2020-12-22 01:14:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-12-22 01:14:00,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:14:00,021 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 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] [2020-12-22 01:14:00,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 01:14:00,235 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:14:00,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:14:00,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1688260000, now seen corresponding path program 1 times [2020-12-22 01:14:00,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:14:00,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320363729] [2020-12-22 01:14:00,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:14:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:14:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 467 proven. 65 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-22 01:14:01,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320363729] [2020-12-22 01:14:01,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446056532] [2020-12-22 01:14:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:14:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:14:01,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 01:14:01,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:14:01,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:14:01,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:14:01,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 01:14:01,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:14:01,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:14:01,841 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:14:01,879 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 01:14:01,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:14:01,915 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:14:02,085 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:14:02,373 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 01:14:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 168 proven. 320 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-22 01:14:03,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 01:14:03,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-12-22 01:14:03,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155927964] [2020-12-22 01:14:03,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 01:14:03,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:14:03,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 01:14:03,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 01:14:03,392 INFO L87 Difference]: Start difference. First operand 3757 states and 4133 transitions. Second operand 11 states. [2020-12-22 01:14:10,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:14:10,037 INFO L93 Difference]: Finished difference Result 12295 states and 13407 transitions. [2020-12-22 01:14:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-22 01:14:10,037 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 419 [2020-12-22 01:14:10,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:14:10,077 INFO L225 Difference]: With dead ends: 12295 [2020-12-22 01:14:10,077 INFO L226 Difference]: Without dead ends: 8679 [2020-12-22 01:14:10,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=389, Invalid=1251, Unknown=0, NotChecked=0, Total=1640 [2020-12-22 01:14:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8679 states. [2020-12-22 01:14:10,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8679 to 4174. [2020-12-22 01:14:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4174 states. [2020-12-22 01:14:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 4174 states and 4581 transitions. [2020-12-22 01:14:10,222 INFO L78 Accepts]: Start accepts. Automaton has 4174 states and 4581 transitions. Word has length 419 [2020-12-22 01:14:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:14:10,223 INFO L481 AbstractCegarLoop]: Abstraction has 4174 states and 4581 transitions. [2020-12-22 01:14:10,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 01:14:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4174 states and 4581 transitions. [2020-12-22 01:14:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-12-22 01:14:10,243 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:14:10,244 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:14:10,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:14:10,458 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:14:10,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:14:10,459 INFO L82 PathProgramCache]: Analyzing trace with hash 615073138, now seen corresponding path program 1 times [2020-12-22 01:14:10,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:14:10,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842201757] [2020-12-22 01:14:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:14:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:14:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 547 proven. 125 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-12-22 01:14:11,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842201757] [2020-12-22 01:14:11,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653183628] [2020-12-22 01:14:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:14:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:14:11,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 01:14:11,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:14:11,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:14:11,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 01:14:11,931 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:14:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 563 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-12-22 01:14:12,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 01:14:12,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-12-22 01:14:12,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613092713] [2020-12-22 01:14:12,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 01:14:12,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:14:12,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 01:14:12,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-22 01:14:12,249 INFO L87 Difference]: Start difference. First operand 4174 states and 4581 transitions. Second operand 9 states. [2020-12-22 01:14:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:14:15,201 INFO L93 Difference]: Finished difference Result 10183 states and 11175 transitions. [2020-12-22 01:14:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 01:14:15,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 533 [2020-12-22 01:14:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:14:15,203 INFO L225 Difference]: With dead ends: 10183 [2020-12-22 01:14:15,203 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:14:15,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2020-12-22 01:14:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:14:15,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:14:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:14:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:14:15,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 533 [2020-12-22 01:14:15,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:14:15,215 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:14:15,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 01:14:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:14:15,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:14:15,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 01:14:15,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:14:15,797 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 206 [2020-12-22 01:14:16,157 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 206 [2020-12-22 01:14:18,018 WARN L197 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 186 DAG size of output: 72 [2020-12-22 01:14:21,824 WARN L197 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 186 DAG size of output: 72 [2020-12-22 01:14:21,830 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:14:21,830 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:14:21,830 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:14:21,830 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:14:21,830 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,831 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,832 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,832 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:14:21,832 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:14:21,832 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:14:21,832 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:14:21,833 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:14:21,833 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:14:21,834 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:14:21,834 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:14:21,834 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,835 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:14:21,836 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:14:21,837 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:14:21,838 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,839 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:14:21,840 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:14:21,841 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:14:21,842 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:14:21,843 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse10 (<= 56 ~a1~0)) (.cse8 (= ~a10~0 0)) (.cse7 (= ~a19~0 8)) (.cse6 (= ~a10~0 4)) (.cse0 (= ~a10~0 3)) (.cse9 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse5 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a1~0 505232)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~a1~0 12) .cse1 .cse2) (and .cse1 .cse2 .cse4 (<= (+ ~a1~0 (div (+ (* ~a1~0 (- 1)) (- 545163)) (- 9)) 39892) 0) .cse6) (and .cse1 (= ~a10~0 2) .cse2 .cse4) (and .cse7 .cse1 .cse2 .cse6 (<= (+ ~a1~0 14285) 0)) (and .cse1 .cse8 .cse2 .cse9) (and .cse1 .cse2 (or (and .cse9 .cse3 .cse6) (and .cse3 .cse10 .cse4 .cse6))) (and .cse7 .cse5 .cse1 .cse2) (and .cse5 (<= 9 ~a19~0) .cse1 .cse2 (<= 219 ~a1~0) .cse11) (and .cse1 .cse8 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse10) (and (<= ~a1~0 505271) .cse1 .cse8 .cse2 .cse4) (and (< 218 ~a1~0) .cse7 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse11) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,844 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:14:21,845 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,846 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:14:21,847 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:14:21,848 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse10 (<= 56 ~a1~0)) (.cse8 (= ~a10~0 0)) (.cse7 (= ~a19~0 8)) (.cse6 (= ~a10~0 4)) (.cse0 (= ~a10~0 3)) (.cse9 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse5 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a1~0 505232)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~a1~0 12) .cse1 .cse2) (and .cse1 .cse2 .cse4 (<= (+ ~a1~0 (div (+ (* ~a1~0 (- 1)) (- 545163)) (- 9)) 39892) 0) .cse6) (and .cse1 (= ~a10~0 2) .cse2 .cse4) (and .cse7 .cse1 .cse2 .cse6 (<= (+ ~a1~0 14285) 0)) (and .cse1 .cse8 .cse2 .cse9) (and .cse1 .cse2 (or (and .cse9 .cse3 .cse6) (and .cse3 .cse10 .cse4 .cse6))) (and .cse7 .cse5 .cse1 .cse2) (and .cse5 (<= 9 ~a19~0) .cse1 .cse2 (<= 219 ~a1~0) .cse11) (and .cse1 .cse8 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse10) (and (<= ~a1~0 505271) .cse1 .cse8 .cse2 .cse4) (and (< 218 ~a1~0) .cse7 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse11) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,849 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:14:21,850 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:14:21,851 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:14:21,852 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:14:21,853 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:14:21,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:14:21 BoogieIcfgContainer [2020-12-22 01:14:21,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:14:21,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:14:21,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:14:21,884 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:14:21,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:02" (3/4) ... [2020-12-22 01:14:21,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:14:21,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:14:21,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:14:21,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:14:21,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:14:22,055 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label56.c-witness.graphml [2020-12-22 01:14:22,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:14:22,057 INFO L168 Benchmark]: Toolchain (without parser) took 81770.55 ms. Allocated memory was 154.1 MB in the beginning and 626.0 MB in the end (delta: 471.9 MB). Free memory was 127.3 MB in the beginning and 450.3 MB in the end (delta: -323.0 MB). Peak memory consumption was 149.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,057 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:14:22,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.21 ms. Allocated memory is still 154.1 MB. Free memory was 127.1 MB in the beginning and 100.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.58 ms. Allocated memory is still 154.1 MB. Free memory was 100.5 MB in the beginning and 129.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,058 INFO L168 Benchmark]: Boogie Preprocessor took 109.58 ms. Allocated memory is still 154.1 MB. Free memory was 129.2 MB in the beginning and 123.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,059 INFO L168 Benchmark]: RCFGBuilder took 1623.19 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 123.9 MB in the beginning and 133.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,059 INFO L168 Benchmark]: TraceAbstraction took 78940.31 ms. Allocated memory was 185.6 MB in the beginning and 626.0 MB in the end (delta: 440.4 MB). Free memory was 133.3 MB in the beginning and 465.5 MB in the end (delta: -332.2 MB). Peak memory consumption was 349.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,059 INFO L168 Benchmark]: Witness Printer took 171.66 ms. Allocated memory is still 626.0 MB. Free memory was 465.5 MB in the beginning and 450.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:14:22,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 718.21 ms. Allocated memory is still 154.1 MB. Free memory was 127.1 MB in the beginning and 100.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 190.58 ms. Allocated memory is still 154.1 MB. Free memory was 100.5 MB in the beginning and 129.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.58 ms. Allocated memory is still 154.1 MB. Free memory was 129.2 MB in the beginning and 123.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1623.19 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 123.9 MB in the beginning and 133.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78940.31 ms. Allocated memory was 185.6 MB in the beginning and 626.0 MB in the end (delta: 440.4 MB). Free memory was 133.3 MB in the beginning and 465.5 MB in the end (delta: -332.2 MB). Peak memory consumption was 349.4 MB. Max. memory is 8.0 GB. * Witness Printer took 171.66 ms. Allocated memory is still 626.0 MB. Free memory was 465.5 MB in the beginning and 450.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: 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: (((((((((((((((((a10 == 3 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) || (((a10 == 1 && a1 <= 12) && 14 == a4) && a12 == 0)) || ((((14 == a4 && a12 == 0) && a19 <= 9) && a1 + (a1 * -1 + -545163) / -9 + 39892 <= 0) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) && a1 + 14285 <= 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 == 9)) || ((14 == a4 && a12 == 0) && (((a19 == 9 && a1 <= 505232) && a10 == 4) || (((a1 <= 505232 && 56 <= a1) && a19 <= 9) && a10 == 4)))) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) && 219 <= a1) && a1 <= 589865)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 505232)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && 56 <= a1)) || ((((a1 <= 505271 && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 9)) || ((((218 < a1 && a19 == 8) && 14 == a4) && a12 == 0) && a10 == 4)) || ((((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9) && a1 <= 589865)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((a10 == 3 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) || (((a10 == 1 && a1 <= 12) && 14 == a4) && a12 == 0)) || ((((14 == a4 && a12 == 0) && a19 <= 9) && a1 + (a1 * -1 + -545163) / -9 + 39892 <= 0) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) && a1 + 14285 <= 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 == 9)) || ((14 == a4 && a12 == 0) && (((a19 == 9 && a1 <= 505232) && a10 == 4) || (((a1 <= 505232 && 56 <= a1) && a19 <= 9) && a10 == 4)))) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) && 219 <= a1) && a1 <= 589865)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 505232)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && 56 <= a1)) || ((((a1 <= 505271 && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 9)) || ((((218 < a1 && a19 == 8) && 14 == a4) && a12 == 0) && a10 == 4)) || ((((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9) && a1 <= 589865)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && 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: 72.4s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 54.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1094 SDtfs, 3167 SDslu, 231 SDs, 0 SdLazy, 12515 SolverSat, 1833 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 46.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1842 GetRequests, 1765 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4174occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 6312 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 105 NumberOfFragments, 511 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38794 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18400 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 4631 NumberOfCodeBlocks, 4631 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4613 ConstructedInterpolants, 21 QuantifiedInterpolants, 9505889 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2493 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 3508/4490 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...