/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:37,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:37,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:37,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:37:37,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:37,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:37,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:37,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:37:37,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:37,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:37,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:37,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:37,523 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:37,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:37,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:37,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:37,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:37,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:37,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:37,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:37,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:37,524 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:37,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:37,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:37,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:37,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:37,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:37,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:37,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:37,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:37,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:37,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:37,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:37,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:37,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:37,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:37,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:37,989 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:37,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-11-06 22:37:38,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dcec779/cdc37ceea8eb4ea1b2ea31d4ca2a553f/FLAG0a5b78a15 [2020-11-06 22:37:38,881 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:37:38,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-11-06 22:37:38,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dcec779/cdc37ceea8eb4ea1b2ea31d4ca2a553f/FLAG0a5b78a15 [2020-11-06 22:37:39,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dcec779/cdc37ceea8eb4ea1b2ea31d4ca2a553f [2020-11-06 22:37:39,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:37:39,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:37:39,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:39,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:37:39,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:37:39,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a72b053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39, skipping insertion in model container [2020-11-06 22:37:39,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:37:39,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:37:39,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:39,679 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:37:39,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:39,833 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:37:39,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39 WrapperNode [2020-11-06 22:37:39,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:39,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:37:39,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:37:39,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:37:39,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... [2020-11-06 22:37:39,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:37:39,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:37:39,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:37:39,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:37:39,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:37:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:37:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:37:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:37:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:37:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:37:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:37:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:37:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:37:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:37:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:37:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:37:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:37:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:37:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:37:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:37:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:37:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:37:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:37:41,666 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:37:41,667 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:37:41,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:41 BoogieIcfgContainer [2020-11-06 22:37:41,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:37:41,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:37:41,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:37:41,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:37:41,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:39" (1/3) ... [2020-11-06 22:37:41,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e55dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:41, skipping insertion in model container [2020-11-06 22:37:41,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:39" (2/3) ... [2020-11-06 22:37:41,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e55dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:41, skipping insertion in model container [2020-11-06 22:37:41,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:41" (3/3) ... [2020-11-06 22:37:41,680 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-11-06 22:37:41,697 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:37:41,702 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:37:41,716 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:37:41,747 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:37:41,748 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:37:41,748 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:37:41,748 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:37:41,748 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:37:41,748 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:37:41,749 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:37:41,749 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:37:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:37:41,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-06 22:37:41,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:41,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:41,792 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1757663173, now seen corresponding path program 1 times [2020-11-06 22:37:41,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:41,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96867893] [2020-11-06 22:37:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:42,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96867893] [2020-11-06 22:37:42,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:42,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:37:42,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105652415] [2020-11-06 22:37:42,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:37:42,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:42,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:37:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:37:42,578 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:37:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:44,533 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-11-06 22:37:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:37:44,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-11-06 22:37:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:44,553 INFO L225 Difference]: With dead ends: 667 [2020-11-06 22:37:44,553 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:37:44,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:37:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:37:44,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-11-06 22:37:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:37:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-11-06 22:37:44,644 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 144 [2020-11-06 22:37:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:44,649 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-11-06 22:37:44,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:37:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-11-06 22:37:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-06 22:37:44,658 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:44,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:44,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:37:44,660 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:44,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1816130041, now seen corresponding path program 1 times [2020-11-06 22:37:44,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:44,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493448976] [2020-11-06 22:37:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:44,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:45,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493448976] [2020-11-06 22:37:45,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:45,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:45,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224287270] [2020-11-06 22:37:45,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:45,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:45,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:45,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:45,122 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-11-06 22:37:45,322 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:37:47,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:47,365 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-11-06 22:37:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:37:47,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-11-06 22:37:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:47,375 INFO L225 Difference]: With dead ends: 991 [2020-11-06 22:37:47,376 INFO L226 Difference]: Without dead ends: 659 [2020-11-06 22:37:47,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:47,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-06 22:37:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-11-06 22:37:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-11-06 22:37:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-11-06 22:37:47,447 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 152 [2020-11-06 22:37:47,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:47,448 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-11-06 22:37:47,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-11-06 22:37:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-06 22:37:47,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:47,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:47,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:37:47,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:47,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1878746509, now seen corresponding path program 1 times [2020-11-06 22:37:47,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:47,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904883835] [2020-11-06 22:37:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:47,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904883835] [2020-11-06 22:37:47,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:47,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:37:47,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834854523] [2020-11-06 22:37:47,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:37:47,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:47,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:37:47,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:37:47,754 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-11-06 22:37:47,931 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:50,086 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-11-06 22:37:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:37:50,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-11-06 22:37:50,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:50,100 INFO L225 Difference]: With dead ends: 1925 [2020-11-06 22:37:50,101 INFO L226 Difference]: Without dead ends: 1288 [2020-11-06 22:37:50,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-11-06 22:37:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-11-06 22:37:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-06 22:37:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1689 transitions. [2020-11-06 22:37:50,178 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1689 transitions. Word has length 158 [2020-11-06 22:37:50,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:50,178 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1689 transitions. [2020-11-06 22:37:50,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:37:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1689 transitions. [2020-11-06 22:37:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-06 22:37:50,184 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:50,184 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:50,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:37:50,185 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:50,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1620244458, now seen corresponding path program 1 times [2020-11-06 22:37:50,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:50,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027520099] [2020-11-06 22:37:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:50,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027520099] [2020-11-06 22:37:50,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:50,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:37:50,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658890860] [2020-11-06 22:37:50,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:37:50,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:50,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:37:50,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:37:50,511 INFO L87 Difference]: Start difference. First operand 1256 states and 1689 transitions. Second operand 8 states. [2020-11-06 22:37:52,326 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:53,517 INFO L93 Difference]: Finished difference Result 4330 states and 5975 transitions. [2020-11-06 22:37:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:37:53,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-11-06 22:37:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:53,538 INFO L225 Difference]: With dead ends: 4330 [2020-11-06 22:37:53,538 INFO L226 Difference]: Without dead ends: 3080 [2020-11-06 22:37:53,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-11-06 22:37:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-11-06 22:37:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-11-06 22:37:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3775 transitions. [2020-11-06 22:37:53,706 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3775 transitions. Word has length 172 [2020-11-06 22:37:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:53,707 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3775 transitions. [2020-11-06 22:37:53,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:37:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3775 transitions. [2020-11-06 22:37:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-06 22:37:53,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:53,719 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:53,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:37:53,720 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:53,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:53,720 INFO L82 PathProgramCache]: Analyzing trace with hash -400478607, now seen corresponding path program 1 times [2020-11-06 22:37:53,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:53,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930432225] [2020-11-06 22:37:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:53,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-06 22:37:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:37:54,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930432225] [2020-11-06 22:37:54,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259774184] [2020-11-06 22:37:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:54,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:54,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:37:54,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:54,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:37:54,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474271736] [2020-11-06 22:37:54,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:37:54,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:54,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:37:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:54,421 INFO L87 Difference]: Start difference. First operand 3054 states and 3775 transitions. Second operand 10 states. [2020-11-06 22:37:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:59,822 INFO L93 Difference]: Finished difference Result 7682 states and 9702 transitions. [2020-11-06 22:37:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-06 22:37:59,822 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-11-06 22:37:59,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:59,849 INFO L225 Difference]: With dead ends: 7682 [2020-11-06 22:37:59,849 INFO L226 Difference]: Without dead ends: 4330 [2020-11-06 22:37:59,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=848, Unknown=0, NotChecked=0, Total=1056 [2020-11-06 22:37:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2020-11-06 22:38:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 3875. [2020-11-06 22:38:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3875 states. [2020-11-06 22:38:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3875 states and 4473 transitions. [2020-11-06 22:38:00,036 INFO L78 Accepts]: Start accepts. Automaton has 3875 states and 4473 transitions. Word has length 178 [2020-11-06 22:38:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:00,039 INFO L481 AbstractCegarLoop]: Abstraction has 3875 states and 4473 transitions. [2020-11-06 22:38:00,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:38:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 4473 transitions. [2020-11-06 22:38:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-06 22:38:00,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:00,059 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:38:00,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:00,273 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:00,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash 998271198, now seen corresponding path program 1 times [2020-11-06 22:38:00,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:00,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387022566] [2020-11-06 22:38:00,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:38:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:38:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-11-06 22:38:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 184 proven. 52 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:38:00,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387022566] [2020-11-06 22:38:00,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438618099] [2020-11-06 22:38:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:00,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:38:01,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:38:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-06 22:38:01,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:38:01,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-11-06 22:38:01,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976587258] [2020-11-06 22:38:01,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:38:01,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:01,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:38:01,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:38:01,189 INFO L87 Difference]: Start difference. First operand 3875 states and 4473 transitions. Second operand 13 states. [2020-11-06 22:38:01,672 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-06 22:38:02,279 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:38:02,416 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-06 22:38:03,146 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-11-06 22:38:04,405 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-11-06 22:38:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:10,640 INFO L93 Difference]: Finished difference Result 7734 states and 8914 transitions. [2020-11-06 22:38:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-06 22:38:10,641 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 303 [2020-11-06 22:38:10,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:10,642 INFO L225 Difference]: With dead ends: 7734 [2020-11-06 22:38:10,642 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:38:10,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=407, Invalid=1485, Unknown=0, NotChecked=0, Total=1892 [2020-11-06 22:38:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:38:10,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:38:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:38:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:38:10,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-11-06 22:38:10,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:10,659 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:38:10,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:38:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:38:10,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:38:10,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:38:10,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:38:11,520 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 136 [2020-11-06 22:38:11,831 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2020-11-06 22:38:12,846 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 167 DAG size of output: 54 [2020-11-06 22:38:13,312 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2020-11-06 22:38:13,571 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2020-11-06 22:38:13,948 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2020-11-06 22:38:13,953 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:38:13,953 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:38:13,953 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:38:13,954 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:38:13,954 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:13,954 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:38:13,955 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:13,955 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:38:13,955 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:38:13,955 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:38:13,956 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,957 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:38:13,958 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:38:13,959 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:38:13,960 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:38:13,961 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,962 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:38:13,963 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,964 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:38:13,965 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,966 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:38:13,967 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:13,968 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:13,969 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:38:13,970 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,971 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:38:13,972 INFO L262 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a19~0)| 0))) (.cse3 (not (= 0 |old(~a11~0)|))) (.cse0 (= 11 |old(~a28~0)|)) (.cse5 (= 9 |old(~a17~0)|)) (.cse1 (not (= |old(~a11~0)| 1))) (.cse2 (not (<= 9 |old(~a28~0)|)))) (and (or .cse0 (= |old(~a17~0)| |old(~a28~0)|) .cse1 .cse2 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse3 .cse0 (not (<= |old(~a17~0)| 7)) .cse4) (or .cse3 .cse0 (= 9 |old(~a28~0)|) .cse5 .cse4) (or (not (<= |old(~a28~0)| 7)) .cse5 .cse1) (or (not (= |old(~a19~0)| 1)) .cse3 .cse5) (or .cse0 .cse5 .cse1 .cse2))) [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:38:13,973 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:38:13,974 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:38:13,975 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (= |old(~a11~0)| 1))) (.cse1 (= 9 |old(~a17~0)|)) (.cse6 (and .cse2 .cse3 .cse4 .cse5 .cse10)) (.cse0 (not (= 0 |old(~a11~0)|))) (.cse7 (= 11 |old(~a28~0)|)) (.cse11 (not (<= |old(~a19~0)| 0)))) (and (or (not (= |old(~a19~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4 (= ~a19~0 1) .cse5)) (or .cse6 .cse7 .cse1 .cse8 .cse9) (or .cse7 (and .cse2 (= ~a25~0 ~a11~0) .cse3 .cse5 .cse10) (= |old(~a17~0)| |old(~a28~0)|) .cse8 .cse9 (not (= |old(~a11~0)| |old(~a25~0)|))) (or (not (<= |old(~a28~0)| 7)) .cse6 .cse1 .cse8) (or .cse6 .cse0 .cse7 (= 9 |old(~a28~0)|) .cse1 .cse11) (or .cse6 .cse0 .cse7 (not (<= |old(~a17~0)| 7)) .cse11)))) [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:38:13,976 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:38:13,977 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:38:13,978 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:38:13,979 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:13,980 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,981 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:38:13,982 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7) (not (= ~a17~0 9))) [2020-11-06 22:38:13,982 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:38:13,982 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:38:13,983 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse5 (not (= ~a28~0 9))) (.cse3 (<= ~a17~0 7)) (.cse2 (= ~a11~0 0)) (.cse8 (<= 9 ~a28~0)) (.cse4 (not (= ~a28~0 11))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 1)) (.cse7 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse5 .cse0 .cse1 .cse2 .cse4) (not (<= |old(~a28~0)| 7)) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse7 .cse3) (and .cse5 .cse8 .cse6 .cse3 .cse4) (= 9 |old(~a17~0)|) (and .cse0 .cse8 .cse6 .cse4) (and .cse0 (= ~a19~0 1) .cse2) (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse8 .cse6 .cse4) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse6 .cse7) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:38:13,983 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= 9 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:38:13,983 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:13,983 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:38:13,983 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse5 (not (= ~a28~0 9))) (.cse3 (<= ~a17~0 7)) (.cse2 (= ~a11~0 0)) (.cse8 (<= 9 ~a28~0)) (.cse4 (not (= ~a28~0 11))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 1)) (.cse7 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~a19~0)| 1)) (and .cse5 .cse0 .cse1 .cse2 .cse4) (not (<= |old(~a28~0)| 7)) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse7 .cse3) (and .cse5 .cse8 .cse6 .cse3 .cse4) (= 9 |old(~a17~0)|) (and .cse0 .cse8 .cse6 .cse4) (and .cse0 (= ~a19~0 1) .cse2) (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse8 .cse6 .cse4) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse6 .cse7) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:38:13,984 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:38:13,984 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:38:14,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:14 BoogieIcfgContainer [2020-11-06 22:38:14,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:38:14,013 INFO L168 Benchmark]: Toolchain (without parser) took 34919.09 ms. Allocated memory was 151.0 MB in the beginning and 569.4 MB in the end (delta: 418.4 MB). Free memory was 123.2 MB in the beginning and 214.2 MB in the end (delta: -91.0 MB). Peak memory consumption was 333.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:14,015 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:38:14,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.41 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 97.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:14,017 INFO L168 Benchmark]: Boogie Preprocessor took 148.85 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 127.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:14,018 INFO L168 Benchmark]: RCFGBuilder took 1681.95 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.9 MB in the beginning and 136.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:14,019 INFO L168 Benchmark]: TraceAbstraction took 32339.60 ms. Allocated memory was 181.4 MB in the beginning and 569.4 MB in the end (delta: 388.0 MB). Free memory was 136.4 MB in the beginning and 214.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 314.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:38:14,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 731.41 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 97.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 148.85 ms. Allocated memory is still 151.0 MB. Free memory was 97.1 MB in the beginning and 127.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1681.95 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.9 MB in the beginning and 136.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32339.60 ms. Allocated memory was 181.4 MB in the beginning and 569.4 MB in the end (delta: 388.0 MB). Free memory was 136.4 MB in the beginning and 214.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 314.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((((((a17 == \old(a17) && a19 <= 0) && a11 == 0) && a17 <= 7) && !(a28 == 11)) || !(\old(a19) == 1)) || ((((!(a28 == 9) && a17 == \old(a17)) && a19 <= 0) && a11 == 0) && !(a28 == 11))) || !(\old(a28) <= 7)) || !(0 == \old(a11))) || ((a11 == 1 && a28 <= 7) && a17 <= 7)) || ((((!(a28 == 9) && 9 <= a28) && a11 == 1) && a17 <= 7) && !(a28 == 11))) || 9 == \old(a17)) || (((a17 == \old(a17) && 9 <= a28) && a11 == 1) && !(a28 == 11))) || ((a17 == \old(a17) && a19 == 1) && a11 == 0)) || ((((!(a28 == a17) && a25 == a11) && 9 <= a28) && a11 == 1) && !(a28 == 11))) || \old(a17) == \old(a28)) || ((a17 == \old(a17) && a11 == 1) && a28 <= 7)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.1s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 7979 SDslu, 598 SDs, 0 SdLazy, 10701 SolverSat, 2151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 653 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3875occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 533 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 202 PreInvPairs, 270 NumberOfFragments, 702 HoareAnnotationTreeSize, 202 FomulaSimplifications, 18335 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5379 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1588 NumberOfCodeBlocks, 1588 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1580 ConstructedInterpolants, 0 QuantifiedInterpolants, 611045 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1264 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 641/699 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...