/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:11:41,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:11:41,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:11:41,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:11:41,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:11:41,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:11:41,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:11:41,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:11:41,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:11:41,317 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:11:41,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:11:41,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:11:41,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:11:41,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:11:41,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:11:41,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:11:41,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:11:41,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:11:41,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:11:41,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:11:41,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:11:41,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:11:41,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:11:41,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:11:41,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:11:41,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:11:41,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:11:41,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:11:41,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:11:41,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:11:41,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:11:41,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:11:41,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:11:41,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:11:41,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:11:41,758 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:11:41,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2020-12-22 01:11:41,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7139a12b0/f5f53bed05984fc69faeb3fad536ea9b/FLAG807d7aa4d [2020-12-22 01:11:42,742 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:11:42,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2020-12-22 01:11:42,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7139a12b0/f5f53bed05984fc69faeb3fad536ea9b/FLAG807d7aa4d [2020-12-22 01:11:42,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7139a12b0/f5f53bed05984fc69faeb3fad536ea9b [2020-12-22 01:11:42,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:11:42,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:11:42,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:42,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:11:42,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:11:42,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:42,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b089fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:42, skipping insertion in model container [2020-12-22 01:11:42,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:42" (1/1) ... [2020-12-22 01:11:43,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:11:43,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:11:43,286 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_label19.c[3486,3499] [2020-12-22 01:11:43,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:43,518 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:11:43,542 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_label19.c[3486,3499] [2020-12-22 01:11:43,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:43,741 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:11:43,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43 WrapperNode [2020-12-22 01:11:43,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:43,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:43,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:11:43,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:11:43,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:43,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:11:43,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:11:43,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:11:43,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... [2020-12-22 01:11:43,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:11:43,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:11:43,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:11:43,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:11:43,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:11:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:11:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:11:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:11:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:11:45,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:11:45,491 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:11:45,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:45 BoogieIcfgContainer [2020-12-22 01:11:45,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:11:45,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:11:45,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:11:45,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:11:45,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:11:42" (1/3) ... [2020-12-22 01:11:45,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3635ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:45, skipping insertion in model container [2020-12-22 01:11:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:43" (2/3) ... [2020-12-22 01:11:45,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3635ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:45, skipping insertion in model container [2020-12-22 01:11:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:45" (3/3) ... [2020-12-22 01:11:45,503 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-12-22 01:11:45,510 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:11:45,515 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:11:45,535 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:11:45,564 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:11:45,565 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:11:45,565 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:11:45,565 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:11:45,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:11:45,565 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:11:45,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:11:45,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:11:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:11:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 01:11:45,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:45,594 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] [2020-12-22 01:11:45,594 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times [2020-12-22 01:11:45,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:45,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461162012] [2020-12-22 01:11:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:45,913 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 01:11:45,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461162012] [2020-12-22 01:11:45,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:45,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:45,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570940136] [2020-12-22 01:11:45,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:45,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:45,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:45,948 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:11:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:46,941 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-22 01:11:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:46,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-12-22 01:11:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:46,959 INFO L225 Difference]: With dead ends: 567 [2020-12-22 01:11:46,959 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:11:46,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:46,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:11:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:11:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:11:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-22 01:11:47,029 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 29 [2020-12-22 01:11:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:47,030 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-22 01:11:47,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-22 01:11:47,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-22 01:11:47,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:47,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:47,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:11:47,035 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash 114583996, now seen corresponding path program 1 times [2020-12-22 01:11:47,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:47,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478372568] [2020-12-22 01:11:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:47,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478372568] [2020-12-22 01:11:47,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:47,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:47,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265048622] [2020-12-22 01:11:47,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:47,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:47,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:47,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:47,256 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-22 01:11:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:47,910 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2020-12-22 01:11:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:47,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-22 01:11:47,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:47,920 INFO L225 Difference]: With dead ends: 840 [2020-12-22 01:11:47,920 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:47,925 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 01:11:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:11:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:11:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-12-22 01:11:47,991 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 95 [2020-12-22 01:11:47,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:47,994 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-12-22 01:11:47,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-12-22 01:11:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-22 01:11:48,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:48,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:48,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:11:48,002 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:48,004 INFO L82 PathProgramCache]: Analyzing trace with hash -669659605, now seen corresponding path program 1 times [2020-12-22 01:11:48,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:48,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773430464] [2020-12-22 01:11:48,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:48,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773430464] [2020-12-22 01:11:48,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:48,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:48,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123978796] [2020-12-22 01:11:48,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:48,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:48,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:48,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:48,273 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-12-22 01:11:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:49,085 INFO L93 Difference]: Finished difference Result 1257 states and 1672 transitions. [2020-12-22 01:11:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:49,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-22 01:11:49,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:49,090 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 01:11:49,090 INFO L226 Difference]: Without dead ends: 699 [2020-12-22 01:11:49,091 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 01:11:49,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-22 01:11:49,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-22 01:11:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:11:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2020-12-22 01:11:49,108 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 102 [2020-12-22 01:11:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:49,109 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2020-12-22 01:11:49,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2020-12-22 01:11:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-22 01:11:49,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:49,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:49,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:11:49,113 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:49,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash -2129686411, now seen corresponding path program 1 times [2020-12-22 01:11:49,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:49,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683255588] [2020-12-22 01:11:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:49,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683255588] [2020-12-22 01:11:49,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:49,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:49,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035419893] [2020-12-22 01:11:49,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:49,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:49,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:49,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:49,283 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand 3 states. [2020-12-22 01:11:50,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:50,068 INFO L93 Difference]: Finished difference Result 1674 states and 2235 transitions. [2020-12-22 01:11:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:50,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-22 01:11:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:50,077 INFO L225 Difference]: With dead ends: 1674 [2020-12-22 01:11:50,077 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:11:50,078 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 01:11:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:11:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-22 01:11:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-22 01:11:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2020-12-22 01:11:50,101 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 106 [2020-12-22 01:11:50,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:50,101 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2020-12-22 01:11:50,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:50,102 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2020-12-22 01:11:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-22 01:11:50,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:50,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:50,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:11:50,105 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:50,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:50,106 INFO L82 PathProgramCache]: Analyzing trace with hash 901044270, now seen corresponding path program 1 times [2020-12-22 01:11:50,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:50,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266275061] [2020-12-22 01:11:50,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:50,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266275061] [2020-12-22 01:11:50,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:50,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:50,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218231972] [2020-12-22 01:11:50,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:50,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:50,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:50,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:50,221 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand 3 states. [2020-12-22 01:11:50,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:50,941 INFO L93 Difference]: Finished difference Result 2230 states and 2834 transitions. [2020-12-22 01:11:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:50,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-22 01:11:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:50,950 INFO L225 Difference]: With dead ends: 2230 [2020-12-22 01:11:50,950 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:11:50,952 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 01:11:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:11:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-12-22 01:11:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-22 01:11:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1712 transitions. [2020-12-22 01:11:50,983 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1712 transitions. Word has length 116 [2020-12-22 01:11:50,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:50,983 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1712 transitions. [2020-12-22 01:11:50,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1712 transitions. [2020-12-22 01:11:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-22 01:11:50,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:50,986 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:50,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:11:50,987 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:50,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:50,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1372334807, now seen corresponding path program 1 times [2020-12-22 01:11:50,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:50,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982854770] [2020-12-22 01:11:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-22 01:11:51,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982854770] [2020-12-22 01:11:51,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180970569] [2020-12-22 01:11:51,213 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 01:11:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:51,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:51,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-12-22 01:11:51,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:51,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-22 01:11:51,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049714303] [2020-12-22 01:11:51,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:51,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:51,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:51,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:11:51,686 INFO L87 Difference]: Start difference. First operand 1394 states and 1712 transitions. Second operand 3 states. [2020-12-22 01:11:52,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:52,410 INFO L93 Difference]: Finished difference Result 2230 states and 2689 transitions. [2020-12-22 01:11:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:52,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-12-22 01:11:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:52,438 INFO L225 Difference]: With dead ends: 2230 [2020-12-22 01:11:52,438 INFO L226 Difference]: Without dead ends: 2228 [2020-12-22 01:11:52,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 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 01:11:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-12-22 01:11:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1116. [2020-12-22 01:11:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1347 transitions. [2020-12-22 01:11:52,472 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1347 transitions. Word has length 177 [2020-12-22 01:11:52,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:52,474 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1347 transitions. [2020-12-22 01:11:52,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1347 transitions. [2020-12-22 01:11:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-22 01:11:52,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:52,483 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:11:52,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 01:11:52,693 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:52,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:52,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1143928863, now seen corresponding path program 1 times [2020-12-22 01:11:52,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:52,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728384199] [2020-12-22 01:11:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:53,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728384199] [2020-12-22 01:11:53,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:53,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:11:53,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018413949] [2020-12-22 01:11:53,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:11:53,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:53,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:11:53,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:53,092 INFO L87 Difference]: Start difference. First operand 1116 states and 1347 transitions. Second operand 7 states. [2020-12-22 01:11:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:53,792 INFO L93 Difference]: Finished difference Result 2146 states and 2603 transitions. [2020-12-22 01:11:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:11:53,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-12-22 01:11:53,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:53,799 INFO L225 Difference]: With dead ends: 2146 [2020-12-22 01:11:53,799 INFO L226 Difference]: Without dead ends: 1116 [2020-12-22 01:11:53,801 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 01:11:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-22 01:11:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-12-22 01:11:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1340 transitions. [2020-12-22 01:11:53,836 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1340 transitions. Word has length 182 [2020-12-22 01:11:53,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:53,836 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1340 transitions. [2020-12-22 01:11:53,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:11:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1340 transitions. [2020-12-22 01:11:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-12-22 01:11:53,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:53,856 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:53,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:11:53,856 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:53,857 INFO L82 PathProgramCache]: Analyzing trace with hash 305352443, now seen corresponding path program 1 times [2020-12-22 01:11:53,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:53,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094719945] [2020-12-22 01:11:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:54,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094719945] [2020-12-22 01:11:54,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:54,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:54,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132753868] [2020-12-22 01:11:54,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:54,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:54,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:54,082 INFO L87 Difference]: Start difference. First operand 1116 states and 1340 transitions. Second operand 3 states. [2020-12-22 01:11:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:54,741 INFO L93 Difference]: Finished difference Result 2369 states and 2912 transitions. [2020-12-22 01:11:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:54,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-12-22 01:11:54,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:54,750 INFO L225 Difference]: With dead ends: 2369 [2020-12-22 01:11:54,750 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:11:54,752 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 01:11:54,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:11:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-12-22 01:11:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1455 transitions. [2020-12-22 01:11:54,781 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1455 transitions. Word has length 218 [2020-12-22 01:11:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:54,781 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1455 transitions. [2020-12-22 01:11:54,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1455 transitions. [2020-12-22 01:11:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-22 01:11:54,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:54,786 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:54,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:11:54,787 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:54,787 INFO L82 PathProgramCache]: Analyzing trace with hash 28030986, now seen corresponding path program 1 times [2020-12-22 01:11:54,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:54,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74847430] [2020-12-22 01:11:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 31 proven. 22 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-22 01:11:55,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74847430] [2020-12-22 01:11:55,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123151287] [2020-12-22 01:11:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:55,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:55,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-22 01:11:55,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:55,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:11:55,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086493005] [2020-12-22 01:11:55,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:55,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:55,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:55,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:11:55,700 INFO L87 Difference]: Start difference. First operand 1255 states and 1455 transitions. Second operand 3 states. [2020-12-22 01:11:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:56,333 INFO L93 Difference]: Finished difference Result 1674 states and 1948 transitions. [2020-12-22 01:11:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:56,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-12-22 01:11:56,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:56,342 INFO L225 Difference]: With dead ends: 1674 [2020-12-22 01:11:56,342 INFO L226 Difference]: Without dead ends: 1672 [2020-12-22 01:11:56,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:11:56,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-22 01:11:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-12-22 01:11:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1455 transitions. [2020-12-22 01:11:56,373 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1455 transitions. Word has length 277 [2020-12-22 01:11:56,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:56,374 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1455 transitions. [2020-12-22 01:11:56,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1455 transitions. [2020-12-22 01:11:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-12-22 01:11:56,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:56,381 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:56,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:56,595 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:56,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:56,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1382131405, now seen corresponding path program 1 times [2020-12-22 01:11:56,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:56,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537108023] [2020-12-22 01:11:56,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-12-22 01:11:56,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537108023] [2020-12-22 01:11:56,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:56,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:56,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030003715] [2020-12-22 01:11:56,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:56,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:56,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:56,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:56,834 INFO L87 Difference]: Start difference. First operand 1255 states and 1455 transitions. Second operand 3 states. [2020-12-22 01:11:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:57,490 INFO L93 Difference]: Finished difference Result 2647 states and 3142 transitions. [2020-12-22 01:11:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:57,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-12-22 01:11:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:57,503 INFO L225 Difference]: With dead ends: 2647 [2020-12-22 01:11:57,503 INFO L226 Difference]: Without dead ends: 1533 [2020-12-22 01:11:57,505 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 01:11:57,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-12-22 01:11:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-12-22 01:11:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-22 01:11:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1609 transitions. [2020-12-22 01:11:57,543 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1609 transitions. Word has length 328 [2020-12-22 01:11:57,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:57,543 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1609 transitions. [2020-12-22 01:11:57,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1609 transitions. [2020-12-22 01:11:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-22 01:11:57,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:57,550 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:57,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:11:57,551 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:57,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash -174155222, now seen corresponding path program 1 times [2020-12-22 01:11:57,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:57,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402482933] [2020-12-22 01:11:57,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 280 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:58,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402482933] [2020-12-22 01:11:58,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232537265] [2020-12-22 01:11:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:58,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:58,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:11:58,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:58,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:11:58,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708258496] [2020-12-22 01:11:58,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:58,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:58,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:58,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:58,736 INFO L87 Difference]: Start difference. First operand 1394 states and 1609 transitions. Second operand 3 states. [2020-12-22 01:11:59,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:59,455 INFO L93 Difference]: Finished difference Result 3481 states and 4040 transitions. [2020-12-22 01:11:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:59,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-12-22 01:11:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:59,466 INFO L225 Difference]: With dead ends: 3481 [2020-12-22 01:11:59,467 INFO L226 Difference]: Without dead ends: 2228 [2020-12-22 01:11:59,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 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 01:11:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-12-22 01:11:59,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2020-12-22 01:11:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-12-22 01:11:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2518 transitions. [2020-12-22 01:11:59,513 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2518 transitions. Word has length 329 [2020-12-22 01:11:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:59,514 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2518 transitions. [2020-12-22 01:11:59,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2518 transitions. [2020-12-22 01:11:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-12-22 01:11:59,523 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:59,523 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:59,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 01:11:59,737 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 583848014, now seen corresponding path program 1 times [2020-12-22 01:11:59,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:59,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097831859] [2020-12-22 01:11:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 23 proven. 57 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-22 01:12:00,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097831859] [2020-12-22 01:12:00,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936689585] [2020-12-22 01:12:00,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:00,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:00,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-22 01:12:00,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:00,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:12:00,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91776650] [2020-12-22 01:12:00,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:00,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:00,750 INFO L87 Difference]: Start difference. First operand 2228 states and 2518 transitions. Second operand 3 states. [2020-12-22 01:12:01,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:01,419 INFO L93 Difference]: Finished difference Result 4452 states and 5044 transitions. [2020-12-22 01:12:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:01,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-12-22 01:12:01,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:01,421 INFO L225 Difference]: With dead ends: 4452 [2020-12-22 01:12:01,421 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:12:01,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:12:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:12:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:12:01,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:12:01,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2020-12-22 01:12:01,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:01,428 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:12:01,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:12:01,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:12:01,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:01,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:12:01,846 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-12-22 01:12:01,960 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,969 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:12:01,970 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,971 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:12:01,972 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,973 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:12:01,974 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,975 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:12:01,976 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:12:01,977 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:12:01,978 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:12:01,979 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:12:01,980 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:12:01,980 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:12:01,980 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 9 ~a19~0) .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-12-22 01:12:01,980 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:12:01,980 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:12:01,981 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:12:01,982 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:12:01,982 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:12:01,983 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,984 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:12:01,985 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 9 ~a19~0) .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:12:01,986 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:12:01,987 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 101) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:12:01,988 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:12:01,989 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:12:01,990 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:12:02,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:12:02 BoogieIcfgContainer [2020-12-22 01:12:02,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:12:02,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:12:02,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:12:02,040 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:12:02,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:45" (3/4) ... [2020-12-22 01:12:02,045 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:12:02,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:12:02,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:12:02,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:02,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:02,300 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label19.c-witness.graphml [2020-12-22 01:12:02,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:12:02,302 INFO L168 Benchmark]: Toolchain (without parser) took 19319.05 ms. Allocated memory was 153.1 MB in the beginning and 423.6 MB in the end (delta: 270.5 MB). Free memory was 127.2 MB in the beginning and 320.4 MB in the end (delta: -193.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,306 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 126.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:12:02,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 131.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.95 ms. Allocated memory is still 153.1 MB. Free memory was 131.0 MB in the beginning and 123.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,308 INFO L168 Benchmark]: Boogie Preprocessor took 107.23 ms. Allocated memory is still 153.1 MB. Free memory was 123.2 MB in the beginning and 117.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,308 INFO L168 Benchmark]: RCFGBuilder took 1532.10 ms. Allocated memory is still 153.1 MB. Free memory was 117.9 MB in the beginning and 95.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,309 INFO L168 Benchmark]: TraceAbstraction took 16542.63 ms. Allocated memory was 153.1 MB in the beginning and 423.6 MB in the end (delta: 270.5 MB). Free memory was 94.5 MB in the beginning and 336.3 MB in the end (delta: -241.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,310 INFO L168 Benchmark]: Witness Printer took 261.07 ms. Allocated memory is still 423.6 MB. Free memory was 335.8 MB in the beginning and 320.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:02,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 126.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 755.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 131.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 104.95 ms. Allocated memory is still 153.1 MB. Free memory was 131.0 MB in the beginning and 123.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 107.23 ms. Allocated memory is still 153.1 MB. Free memory was 123.2 MB in the beginning and 117.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1532.10 ms. Allocated memory is still 153.1 MB. Free memory was 117.9 MB in the beginning and 95.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16542.63 ms. Allocated memory was 153.1 MB in the beginning and 423.6 MB in the end (delta: 270.5 MB). Free memory was 94.5 MB in the beginning and 336.3 MB in the end (delta: -241.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 8.0 GB. * Witness Printer took 261.07 ms. Allocated memory is still 423.6 MB. Free memory was 335.8 MB in the beginning and 320.4 MB in the end (delta: 15.4 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: 101]: 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 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((9 <= a19 && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((9 <= a19 && 14 == a4) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1268 SDtfs, 1288 SDslu, 57 SDs, 0 SdLazy, 4545 SolverSat, 733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 1132 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred 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, 1807 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 147 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1680 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 3426 NumberOfCodeBlocks, 3426 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3410 ConstructedInterpolants, 0 QuantifiedInterpolants, 3570208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1653 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 2436/2610 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...