/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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:10:56,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:10:56,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:10:56,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 01:10:56,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 01:10:56,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 01:10:56,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 01:10:56,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 01:10:56,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 01:10:56,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 01:10:56,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 01:10:56,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 01:10:56,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:10:56,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:10:56,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:10:56,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:10:56,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:10:56,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:10:56,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:10:56,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:10:56,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:10:56,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:10:56,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:10:56,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:10:56,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 01:10:56,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 01:10:56,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 01:10:56,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 01:10:56,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 01:10:56,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 01:10:56,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 01:10:56,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 01:10:56,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 01:10:56,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 01:10:56,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 01:10:56,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 01:10:56,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 01:10:56,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 01:10:56,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:10:56,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:10:56,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:10:56,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:10:56,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:10:56,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:10:56,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:10:56,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:10:56,464 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:10:56,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:10:56,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:10:56,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:10:56,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:10:56,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:10:56,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:10:56,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:10:56,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:10:56,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:10:56,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:10:56,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:10:56,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:10:56,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:10:56,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:10:56,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:10:56,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:10:56,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:10:56,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:10:56,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:10:56,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:10:56,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:10:56,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:10:56,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:10:56,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:10:56,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:10:56,917 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:10:56,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-12-22 01:10:56,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc22b7ef/b82d17c5aa924ad8913a7c22a85511f1/FLAGc41317735 [2020-12-22 01:10:57,783 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:10:57,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-12-22 01:10:57,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc22b7ef/b82d17c5aa924ad8913a7c22a85511f1/FLAGc41317735 [2020-12-22 01:10:57,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc22b7ef/b82d17c5aa924ad8913a7c22a85511f1 [2020-12-22 01:10:58,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:10:58,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:10:58,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:10:58,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:10:58,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:10:58,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:10:57" (1/1) ... [2020-12-22 01:10:58,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc310e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58, skipping insertion in model container [2020-12-22 01:10:58,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:10:57" (1/1) ... [2020-12-22 01:10:58,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:10:58,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:10:58,303 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_label08.c[4672,4685] [2020-12-22 01:10:58,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:10:58,502 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:10:58,552 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_label08.c[4672,4685] [2020-12-22 01:10:58,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:10:58,718 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:10:58,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58 WrapperNode [2020-12-22 01:10:58,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:10:58,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:10:58,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:10:58,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:10:58,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:10:58,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:10:58,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:10:58,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:10:58,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (1/1) ... [2020-12-22 01:10:58,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:10:58,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:10:58,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:10:58,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:10:58,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (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 01:10:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:10:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:10:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:10:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:11:00,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:11:00,715 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:11:00,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:00 BoogieIcfgContainer [2020-12-22 01:11:00,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:11:00,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:11:00,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:11:00,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:11:00,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:10:57" (1/3) ... [2020-12-22 01:11:00,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a085e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:00, skipping insertion in model container [2020-12-22 01:11:00,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:10:58" (2/3) ... [2020-12-22 01:11:00,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a085e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:00, skipping insertion in model container [2020-12-22 01:11:00,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:00" (3/3) ... [2020-12-22 01:11:00,728 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c [2020-12-22 01:11:00,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:11:00,740 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:11:00,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:11:00,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:11:00,787 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:11:00,787 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:11:00,787 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:11:00,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:11:00,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:11:00,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:11:00,788 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:11:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:11:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-22 01:11:00,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:00,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:00,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:00,827 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-12-22 01:11:00,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:00,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087028832] [2020-12-22 01:11:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:01,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087028832] [2020-12-22 01:11:01,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:01,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:01,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432565424] [2020-12-22 01:11:01,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:01,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:01,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:01,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:01,176 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:11:02,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:02,615 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-22 01:11:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:02,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-22 01:11:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:02,643 INFO L225 Difference]: With dead ends: 552 [2020-12-22 01:11:02,643 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:11:02,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:11:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:11:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:11:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-12-22 01:11:02,732 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 40 [2020-12-22 01:11:02,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:02,733 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-12-22 01:11:02,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-12-22 01:11:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-22 01:11:02,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:02,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:02,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:11:02,745 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:02,746 INFO L82 PathProgramCache]: Analyzing trace with hash -130085954, now seen corresponding path program 1 times [2020-12-22 01:11:02,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:02,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623307609] [2020-12-22 01:11:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:03,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623307609] [2020-12-22 01:11:03,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955953442] [2020-12-22 01:11:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:03,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:03,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-22 01:11:03,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:03,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-22 01:11:03,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814443549] [2020-12-22 01:11:03,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:03,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:03,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:03,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:11:03,646 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-12-22 01:11:04,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:04,761 INFO L93 Difference]: Finished difference Result 562 states and 752 transitions. [2020-12-22 01:11:04,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:04,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-22 01:11:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:04,769 INFO L225 Difference]: With dead ends: 562 [2020-12-22 01:11:04,769 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:04,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 01:11:04,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-12-22 01:11:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-22 01:11:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 591 transitions. [2020-12-22 01:11:04,802 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 591 transitions. Word has length 106 [2020-12-22 01:11:04,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:04,803 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 591 transitions. [2020-12-22 01:11:04,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions. [2020-12-22 01:11:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-22 01:11:04,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:04,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:05,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-22 01:11:05,020 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:05,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:05,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1546461733, now seen corresponding path program 1 times [2020-12-22 01:11:05,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:05,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215397868] [2020-12-22 01:11:05,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:05,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215397868] [2020-12-22 01:11:05,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:05,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:05,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629710088] [2020-12-22 01:11:05,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:05,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:05,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:05,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:05,234 INFO L87 Difference]: Start difference. First operand 421 states and 591 transitions. Second operand 3 states. [2020-12-22 01:11:06,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:06,188 INFO L93 Difference]: Finished difference Result 979 states and 1339 transitions. [2020-12-22 01:11:06,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:06,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-22 01:11:06,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:06,193 INFO L225 Difference]: With dead ends: 979 [2020-12-22 01:11:06,193 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:06,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:06,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:11:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:11:06,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-12-22 01:11:06,228 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 109 [2020-12-22 01:11:06,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:06,228 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-12-22 01:11:06,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-12-22 01:11:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-22 01:11:06,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:06,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:06,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:11:06,233 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:06,234 INFO L82 PathProgramCache]: Analyzing trace with hash 254054476, now seen corresponding path program 1 times [2020-12-22 01:11:06,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:06,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036892784] [2020-12-22 01:11:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:06,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036892784] [2020-12-22 01:11:06,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:06,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:06,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985378889] [2020-12-22 01:11:06,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:06,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:06,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:06,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:06,390 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-12-22 01:11:07,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:07,445 INFO L93 Difference]: Finished difference Result 1257 states and 1758 transitions. [2020-12-22 01:11:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:07,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-22 01:11:07,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:07,455 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 01:11:07,455 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:11:07,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:11:07,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-12-22 01:11:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:11:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 914 transitions. [2020-12-22 01:11:07,482 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 914 transitions. Word has length 115 [2020-12-22 01:11:07,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:07,483 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 914 transitions. [2020-12-22 01:11:07,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 914 transitions. [2020-12-22 01:11:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-22 01:11:07,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:07,489 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 01:11:07,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:11:07,489 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:07,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:07,490 INFO L82 PathProgramCache]: Analyzing trace with hash 93286863, now seen corresponding path program 1 times [2020-12-22 01:11:07,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:07,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119664610] [2020-12-22 01:11:07,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-22 01:11:07,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119664610] [2020-12-22 01:11:07,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:07,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:07,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129462698] [2020-12-22 01:11:07,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:07,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:07,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:07,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:07,635 INFO L87 Difference]: Start difference. First operand 699 states and 914 transitions. Second operand 3 states. [2020-12-22 01:11:08,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:08,560 INFO L93 Difference]: Finished difference Result 1535 states and 2010 transitions. [2020-12-22 01:11:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:08,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2020-12-22 01:11:08,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:08,568 INFO L225 Difference]: With dead ends: 1535 [2020-12-22 01:11:08,568 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:11:08,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:08,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:11:08,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-22 01:11:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-22 01:11:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1162 transitions. [2020-12-22 01:11:08,599 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1162 transitions. Word has length 175 [2020-12-22 01:11:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:08,599 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1162 transitions. [2020-12-22 01:11:08,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1162 transitions. [2020-12-22 01:11:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-22 01:11:08,603 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:08,604 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 01:11:08,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:11:08,604 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:08,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:08,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1258741848, now seen corresponding path program 1 times [2020-12-22 01:11:08,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:08,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416915661] [2020-12-22 01:11:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:08,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416915661] [2020-12-22 01:11:08,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:08,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:08,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698269375] [2020-12-22 01:11:08,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:08,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:08,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:08,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:08,767 INFO L87 Difference]: Start difference. First operand 977 states and 1162 transitions. Second operand 3 states. [2020-12-22 01:11:09,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:09,711 INFO L93 Difference]: Finished difference Result 2091 states and 2557 transitions. [2020-12-22 01:11:09,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:09,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-12-22 01:11:09,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:09,718 INFO L225 Difference]: With dead ends: 2091 [2020-12-22 01:11:09,718 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:11:09,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:11:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:11:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-12-22 01:11:09,753 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 192 [2020-12-22 01:11:09,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:09,753 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-12-22 01:11:09,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-12-22 01:11:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-12-22 01:11:09,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:09,762 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:09,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:11:09,762 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash 576836307, now seen corresponding path program 1 times [2020-12-22 01:11:09,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:09,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182046211] [2020-12-22 01:11:09,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:10,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182046211] [2020-12-22 01:11:10,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:10,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:11:10,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306477752] [2020-12-22 01:11:10,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:11:10,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:10,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:11:10,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:10,172 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 7 states. [2020-12-22 01:11:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:11,113 INFO L93 Difference]: Finished difference Result 2424 states and 2831 transitions. [2020-12-22 01:11:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:11:11,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-12-22 01:11:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:11,121 INFO L225 Difference]: With dead ends: 2424 [2020-12-22 01:11:11,121 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:11:11,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:11:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:11:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-12-22 01:11:11,153 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 247 [2020-12-22 01:11:11,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:11,153 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-12-22 01:11:11,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:11:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-12-22 01:11:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-22 01:11:11,158 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:11,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:11,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:11:11,159 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1922462329, now seen corresponding path program 1 times [2020-12-22 01:11:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:11,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501957558] [2020-12-22 01:11:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-22 01:11:11,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501957558] [2020-12-22 01:11:11,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:11,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:11,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405465898] [2020-12-22 01:11:11,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:11,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:11,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:11,367 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-12-22 01:11:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:12,513 INFO L93 Difference]: Finished difference Result 1813 states and 2098 transitions. [2020-12-22 01:11:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:12,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-12-22 01:11:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:12,524 INFO L225 Difference]: With dead ends: 1813 [2020-12-22 01:11:12,524 INFO L226 Difference]: Without dead ends: 1811 [2020-12-22 01:11:12,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-12-22 01:11:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-12-22 01:11:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-12-22 01:11:12,559 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 283 [2020-12-22 01:11:12,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:12,560 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-12-22 01:11:12,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-12-22 01:11:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-22 01:11:12,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:12,566 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-22 01:11:12,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:11:12,566 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:12,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1345034793, now seen corresponding path program 1 times [2020-12-22 01:11:12,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:12,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053155604] [2020-12-22 01:11:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-12-22 01:11:12,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053155604] [2020-12-22 01:11:12,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:12,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:12,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738298358] [2020-12-22 01:11:12,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:12,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:12,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:12,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:12,853 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-12-22 01:11:13,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:13,849 INFO L93 Difference]: Finished difference Result 1396 states and 1605 transitions. [2020-12-22 01:11:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:13,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-12-22 01:11:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:13,858 INFO L225 Difference]: With dead ends: 1396 [2020-12-22 01:11:13,858 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:11:13,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:11:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1116. [2020-12-22 01:11:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-12-22 01:11:13,884 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 318 [2020-12-22 01:11:13,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:13,885 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-12-22 01:11:13,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-12-22 01:11:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-12-22 01:11:13,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:13,892 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:13,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:11:13,892 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:13,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1863423575, now seen corresponding path program 1 times [2020-12-22 01:11:13,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:13,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754139462] [2020-12-22 01:11:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-12-22 01:11:14,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754139462] [2020-12-22 01:11:14,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:14,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:14,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454966169] [2020-12-22 01:11:14,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:14,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:14,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:14,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:14,126 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-12-22 01:11:15,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:15,092 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions. [2020-12-22 01:11:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:15,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2020-12-22 01:11:15,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:15,100 INFO L225 Difference]: With dead ends: 2369 [2020-12-22 01:11:15,100 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:11:15,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:11:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-12-22 01:11:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-12-22 01:11:15,131 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 339 [2020-12-22 01:11:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:15,131 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-12-22 01:11:15,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-12-22 01:11:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-12-22 01:11:15,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:15,139 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:15,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:11:15,140 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:15,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:15,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1058902866, now seen corresponding path program 1 times [2020-12-22 01:11:15,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:15,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245202017] [2020-12-22 01:11:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 313 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:15,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245202017] [2020-12-22 01:11:15,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493183913] [2020-12-22 01:11:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:15,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:15,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:11:16,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:16,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:11:16,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505689588] [2020-12-22 01:11:16,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:16,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:16,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:16,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:16,505 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-12-22 01:11:17,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:17,588 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-12-22 01:11:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:17,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-12-22 01:11:17,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:17,598 INFO L225 Difference]: With dead ends: 3203 [2020-12-22 01:11:17,599 INFO L226 Difference]: Without dead ends: 2089 [2020-12-22 01:11:17,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-22 01:11:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-22 01:11:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-22 01:11:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-12-22 01:11:17,658 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 340 [2020-12-22 01:11:17,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:17,659 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-12-22 01:11:17,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-12-22 01:11:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-12-22 01:11:17,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:17,666 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:17,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:17,880 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:17,881 INFO L82 PathProgramCache]: Analyzing trace with hash 539129582, now seen corresponding path program 1 times [2020-12-22 01:11:17,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:17,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276204340] [2020-12-22 01:11:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-22 01:11:18,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276204340] [2020-12-22 01:11:18,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:18,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:18,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210337434] [2020-12-22 01:11:18,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:18,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:18,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:18,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:18,135 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-12-22 01:11:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:19,092 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions. [2020-12-22 01:11:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:19,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-12-22 01:11:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:19,093 INFO L225 Difference]: With dead ends: 4035 [2020-12-22 01:11:19,094 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:11:19,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:11:19,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:11:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:11:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:11:19,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2020-12-22 01:11:19,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:19,100 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:11:19,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:11:19,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:11:19,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 01:11:19,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:11:19,379 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-22 01:11:19,581 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:11:19,588 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:11:19,589 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,589 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:11:19,590 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:11:19,591 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:11:19,591 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:11:19,591 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:11:19,591 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:11:19,592 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:11:19,593 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:11:19,594 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,594 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:11:19,595 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,596 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:11:19,597 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:11:19,598 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:11:19,599 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:11:19,599 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:11:19,599 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,599 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:11:19,600 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,601 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,602 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,602 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:11:19,603 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,604 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,605 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,605 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:11:19,605 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:11:19,605 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:11:19,606 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:11:19,606 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:11:19,606 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:11:19,606 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:11:19,607 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-12-22 01:11:19,607 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:11:19,607 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:11:19,608 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:11:19,609 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,610 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:11:19,611 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,612 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:11:19,613 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,614 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:11:19,615 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2020-12-22 01:11:19,616 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:19,617 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:11:19,618 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:11:19,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:11:19 BoogieIcfgContainer [2020-12-22 01:11:19,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:11:19,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:11:19,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:11:19,642 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:11:19,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:00" (3/4) ... [2020-12-22 01:11:19,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:11:19,671 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:11:19,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:11:19,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:11:19,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:11:19,848 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label08.c-witness.graphml [2020-12-22 01:11:19,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:11:19,850 INFO L168 Benchmark]: Toolchain (without parser) took 21847.41 ms. Allocated memory was 154.1 MB in the beginning and 413.1 MB in the end (delta: 259.0 MB). Free memory was 127.3 MB in the beginning and 246.4 MB in the end (delta: -119.1 MB). Peak memory consumption was 140.9 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,850 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 154.1 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:11:19,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.79 ms. Allocated memory is still 154.1 MB. Free memory was 127.1 MB in the beginning and 132.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.36 ms. Allocated memory is still 154.1 MB. Free memory was 132.7 MB in the beginning and 125.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,852 INFO L168 Benchmark]: Boogie Preprocessor took 106.43 ms. Allocated memory is still 154.1 MB. Free memory was 125.0 MB in the beginning and 119.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,852 INFO L168 Benchmark]: RCFGBuilder took 1757.09 ms. Allocated memory was 154.1 MB in the beginning and 197.1 MB in the end (delta: 43.0 MB). Free memory was 119.7 MB in the beginning and 141.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,853 INFO L168 Benchmark]: TraceAbstraction took 18921.14 ms. Allocated memory was 197.1 MB in the beginning and 413.1 MB in the end (delta: 216.0 MB). Free memory was 140.7 MB in the beginning and 261.6 MB in the end (delta: -120.9 MB). Peak memory consumption was 94.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,853 INFO L168 Benchmark]: Witness Printer took 206.29 ms. Allocated memory is still 413.1 MB. Free memory was 261.6 MB in the beginning and 246.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:19,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 154.1 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 714.79 ms. Allocated memory is still 154.1 MB. Free memory was 127.1 MB in the beginning and 132.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 133.36 ms. Allocated memory is still 154.1 MB. Free memory was 132.7 MB in the beginning and 125.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.43 ms. Allocated memory is still 154.1 MB. Free memory was 125.0 MB in the beginning and 119.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1757.09 ms. Allocated memory was 154.1 MB in the beginning and 197.1 MB in the end (delta: 43.0 MB). Free memory was 119.7 MB in the beginning and 141.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 79.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18921.14 ms. Allocated memory was 197.1 MB in the beginning and 413.1 MB in the end (delta: 216.0 MB). Free memory was 140.7 MB in the beginning and 261.6 MB in the end (delta: -120.9 MB). Peak memory consumption was 94.6 MB. Max. memory is 8.0 GB. * Witness Printer took 206.29 ms. Allocated memory is still 413.1 MB. Free memory was 261.6 MB in the beginning and 246.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - 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: 18.3s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1295 SDtfs, 1317 SDslu, 57 SDs, 0 SdLazy, 4480 SolverSat, 697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 133 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3063 NumberOfCodeBlocks, 3063 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3049 ConstructedInterpolants, 0 QuantifiedInterpolants, 2406524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 685 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2499/2581 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...