/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_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:36:15,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:36:15,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:36:15,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:36:15,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:36:15,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:36:15,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:36:15,780 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 22:36:15,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:36:15,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:36:15,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:36:15,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:36:15,842 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:36:15,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:36:15,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:36:15,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:36:15,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:36:15,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:36:15,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:36:15,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:36:15,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:36:15,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:36:15,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:36:15,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:36:15,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:36:15,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:36:15,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:36:15,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:36:15,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:36:15,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:36:15,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:36:15,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:36:15,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:36:15,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:36:15,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:36:15,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:36:15,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:36:15,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:36:16,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:36:16,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:36:16,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:36:16,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:36:16,347 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:36:16,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-11-06 22:36:16,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23cf4930/3fbeb6c448594d8bb1607f0d8a835fee/FLAG9c8fdcaa4 [2020-11-06 22:36:17,253 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:36:17,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-11-06 22:36:17,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23cf4930/3fbeb6c448594d8bb1607f0d8a835fee/FLAG9c8fdcaa4 [2020-11-06 22:36:17,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23cf4930/3fbeb6c448594d8bb1607f0d8a835fee [2020-11-06 22:36:17,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:36:17,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:36:17,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:17,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:36:17,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:36:17,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:17" (1/1) ... [2020-11-06 22:36:17,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4401a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:17, skipping insertion in model container [2020-11-06 22:36:17,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:17" (1/1) ... [2020-11-06 22:36:17,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:36:17,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:36:18,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:18,017 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:36:18,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:18,180 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:36:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18 WrapperNode [2020-11-06 22:36:18,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:18,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:36:18,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:36:18,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:36:18,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (1/1) ... [2020-11-06 22:36:18,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:36:18,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:36:18,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:36:18,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:36:18,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (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 22:36:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:36:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:36:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:36:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:36:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:36:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:36:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:36:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:36:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:36:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:36:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:36:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:36:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:36:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:36:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:36:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:36:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:36:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:36:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:36:19,793 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:36:19,793 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:36:19,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:19 BoogieIcfgContainer [2020-11-06 22:36:19,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:36:19,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:36:19,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:36:19,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:36:19,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:17" (1/3) ... [2020-11-06 22:36:19,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd9f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:19, skipping insertion in model container [2020-11-06 22:36:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:18" (2/3) ... [2020-11-06 22:36:19,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd9f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:19, skipping insertion in model container [2020-11-06 22:36:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:19" (3/3) ... [2020-11-06 22:36:19,806 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-11-06 22:36:19,822 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:36:19,826 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:36:19,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:36:19,869 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:36:19,869 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:36:19,870 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:36:19,870 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:36:19,870 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:36:19,870 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:36:19,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:36:19,870 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:36:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:36:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-06 22:36:19,912 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:19,913 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] [2020-11-06 22:36:19,914 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:19,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1198844043, now seen corresponding path program 1 times [2020-11-06 22:36:19,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:19,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620529469] [2020-11-06 22:36:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:20,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:20,757 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 22:36:20,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620529469] [2020-11-06 22:36:20,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:20,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:36:20,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892545601] [2020-11-06 22:36:20,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:36:20,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:20,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:36:20,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:36:20,798 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:36:21,005 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:36:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:23,287 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-11-06 22:36:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:36:23,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-11-06 22:36:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:23,311 INFO L225 Difference]: With dead ends: 667 [2020-11-06 22:36:23,311 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:36:23,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:36:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:36:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-11-06 22:36:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:36:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-11-06 22:36:23,456 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 124 [2020-11-06 22:36:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:23,458 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-11-06 22:36:23,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:36:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-11-06 22:36:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-06 22:36:23,468 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:23,468 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] [2020-11-06 22:36:23,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:36:23,469 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:23,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:23,470 INFO L82 PathProgramCache]: Analyzing trace with hash 767515561, now seen corresponding path program 1 times [2020-11-06 22:36:23,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:23,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604699362] [2020-11-06 22:36:23,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:23,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:23,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:23,890 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 22:36:23,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604699362] [2020-11-06 22:36:23,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:23,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:36:23,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753663124] [2020-11-06 22:36:23,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:23,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:23,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:23,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:23,896 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-11-06 22:36:24,057 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:36:24,627 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:36:26,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:26,211 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-11-06 22:36:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:36:26,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-11-06 22:36:26,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:26,223 INFO L225 Difference]: With dead ends: 991 [2020-11-06 22:36:26,223 INFO L226 Difference]: Without dead ends: 659 [2020-11-06 22:36:26,232 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 22:36:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-06 22:36:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-11-06 22:36:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-11-06 22:36:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-11-06 22:36:26,305 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 132 [2020-11-06 22:36:26,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:26,306 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-11-06 22:36:26,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-11-06 22:36:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-06 22:36:26,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:26,314 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] [2020-11-06 22:36:26,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:36:26,314 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:26,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:26,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1052679875, now seen corresponding path program 1 times [2020-11-06 22:36:26,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:26,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849263379] [2020-11-06 22:36:26,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:26,549 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:36:26,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:26,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:26,720 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 22:36:26,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849263379] [2020-11-06 22:36:26,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:26,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:36:26,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163090792] [2020-11-06 22:36:26,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:26,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:26,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:26,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:26,730 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-11-06 22:36:26,893 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:36:29,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:29,185 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-11-06 22:36:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:36:29,186 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-11-06 22:36:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:29,200 INFO L225 Difference]: With dead ends: 1925 [2020-11-06 22:36:29,200 INFO L226 Difference]: Without dead ends: 1288 [2020-11-06 22:36:29,204 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 22:36:29,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-11-06 22:36:29,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-11-06 22:36:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-06 22:36:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1688 transitions. [2020-11-06 22:36:29,302 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1688 transitions. Word has length 138 [2020-11-06 22:36:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:29,304 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1688 transitions. [2020-11-06 22:36:29,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1688 transitions. [2020-11-06 22:36:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-06 22:36:29,314 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:29,315 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] [2020-11-06 22:36:29,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:36:29,316 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:29,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:29,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2121401370, now seen corresponding path program 1 times [2020-11-06 22:36:29,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:29,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468851485] [2020-11-06 22:36:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:29,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:29,677 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 22:36:29,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468851485] [2020-11-06 22:36:29,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:29,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:36:29,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419766194] [2020-11-06 22:36:29,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:36:29,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:29,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:36:29,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:36:29,692 INFO L87 Difference]: Start difference. First operand 1256 states and 1688 transitions. Second operand 8 states. [2020-11-06 22:36:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:32,727 INFO L93 Difference]: Finished difference Result 4330 states and 5971 transitions. [2020-11-06 22:36:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:36:32,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-11-06 22:36:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:32,748 INFO L225 Difference]: With dead ends: 4330 [2020-11-06 22:36:32,748 INFO L226 Difference]: Without dead ends: 3080 [2020-11-06 22:36:32,754 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 22:36:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-11-06 22:36:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-11-06 22:36:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-11-06 22:36:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3775 transitions. [2020-11-06 22:36:32,890 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3775 transitions. Word has length 152 [2020-11-06 22:36:32,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:32,891 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3775 transitions. [2020-11-06 22:36:32,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:36:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3775 transitions. [2020-11-06 22:36:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-06 22:36:32,901 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:32,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:36:32,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:36:32,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:32,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash 705829917, now seen corresponding path program 1 times [2020-11-06 22:36:32,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:32,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355724737] [2020-11-06 22:36:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:33,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:33,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:36:33,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355724737] [2020-11-06 22:36:33,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698557544] [2020-11-06 22:36:33,452 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 22:36:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:33,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:33,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:36:33,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:33,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:36:33,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526961613] [2020-11-06 22:36:33,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:33,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:33,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:33,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:33,959 INFO L87 Difference]: Start difference. First operand 3054 states and 3775 transitions. Second operand 3 states. [2020-11-06 22:36:35,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:35,056 INFO L93 Difference]: Finished difference Result 6986 states and 8783 transitions. [2020-11-06 22:36:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:35,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-06 22:36:35,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:35,086 INFO L225 Difference]: With dead ends: 6986 [2020-11-06 22:36:35,086 INFO L226 Difference]: Without dead ends: 3329 [2020-11-06 22:36:35,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:36:35,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2020-11-06 22:36:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3329. [2020-11-06 22:36:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3329 states. [2020-11-06 22:36:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 3815 transitions. [2020-11-06 22:36:35,244 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 3815 transitions. Word has length 159 [2020-11-06 22:36:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:35,246 INFO L481 AbstractCegarLoop]: Abstraction has 3329 states and 3815 transitions. [2020-11-06 22:36:35,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3815 transitions. [2020-11-06 22:36:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-06 22:36:35,262 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:35,263 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-06 22:36:35,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:35,479 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:35,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1344081666, now seen corresponding path program 1 times [2020-11-06 22:36:35,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:35,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128473241] [2020-11-06 22:36:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 22:36:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-06 22:36:35,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128473241] [2020-11-06 22:36:35,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081640196] [2020-11-06 22:36:35,787 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 22:36:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:35,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:35,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:36:36,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:36,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:36:36,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881010837] [2020-11-06 22:36:36,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:36,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:36,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:36,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:36:36,070 INFO L87 Difference]: Start difference. First operand 3329 states and 3815 transitions. Second operand 3 states. [2020-11-06 22:36:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:36,876 INFO L93 Difference]: Finished difference Result 7236 states and 8468 transitions. [2020-11-06 22:36:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:36,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-11-06 22:36:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:36,900 INFO L225 Difference]: With dead ends: 7236 [2020-11-06 22:36:36,901 INFO L226 Difference]: Without dead ends: 3913 [2020-11-06 22:36:36,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:36:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2020-11-06 22:36:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3909. [2020-11-06 22:36:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-11-06 22:36:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 4557 transitions. [2020-11-06 22:36:37,056 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 4557 transitions. Word has length 186 [2020-11-06 22:36:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:37,057 INFO L481 AbstractCegarLoop]: Abstraction has 3909 states and 4557 transitions. [2020-11-06 22:36:37,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 4557 transitions. [2020-11-06 22:36:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-11-06 22:36:37,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:37,071 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:37,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:37,285 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:37,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:37,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2138353628, now seen corresponding path program 1 times [2020-11-06 22:36:37,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:37,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406264072] [2020-11-06 22:36:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:36:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:36:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-11-06 22:36:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 120 proven. 23 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-06 22:36:37,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406264072] [2020-11-06 22:36:37,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153276134] [2020-11-06 22:36:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:37,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-06 22:36:37,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-06 22:36:37,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:37,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-11-06 22:36:37,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401152973] [2020-11-06 22:36:37,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:37,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:37,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:37,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:36:37,943 INFO L87 Difference]: Start difference. First operand 3909 states and 4557 transitions. Second operand 3 states. [2020-11-06 22:36:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:38,694 INFO L93 Difference]: Finished difference Result 8967 states and 10523 transitions. [2020-11-06 22:36:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:38,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-11-06 22:36:38,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:38,696 INFO L225 Difference]: With dead ends: 8967 [2020-11-06 22:36:38,696 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:36:38,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:36:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:36:38,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:36:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:36:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:36:38,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-11-06 22:36:38,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:38,716 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:36:38,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:36:38,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:36:38,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:38,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:36:39,589 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 29 [2020-11-06 22:36:40,504 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 45 [2020-11-06 22:36:40,747 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2020-11-06 22:36:40,971 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-11-06 22:36:41,110 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-11-06 22:36:41,116 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:36:41,117 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:36:41,117 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:36:41,117 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:36:41,117 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:41,117 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 22:36:41,117 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:36:41,118 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:41,119 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,120 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:36:41,121 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,122 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:36:41,123 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:36:41,124 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,125 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:36:41,126 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,127 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:36:41,128 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:36:41,129 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:36:41,130 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,131 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,132 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:36:41,132 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:36:41,132 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:36:41,132 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,133 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:41,134 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:36:41,135 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,136 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:36:41,137 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,138 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,139 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,139 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,139 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,140 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:36:41,140 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:36:41,140 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:36:41,142 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:36:41,142 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:36:41,142 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:36:41,142 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:36:41,143 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9)) (.cse0 (= 11 |old(~a28~0)|)) (.cse1 (and .cse5 (= ~a25~0 ~a11~0) .cse6 .cse8 .cse9)) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 10 |old(~a28~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse5 .cse6 .cse7 (= ~a19~0 1) .cse8)) (or (not (<= |old(~a28~0)| 7)) .cse4) (or .cse4 .cse0 (= |old(~a11~0)| 1)) (or (not (= 0 |old(~a11~0)|)) .cse1 .cse2 .cse3)))) [2020-11-06 22:36:41,143 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:36:41,143 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:36:41,143 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,144 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:36:41,145 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L262 CegarLoopResult]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (= 11 |old(~a28~0)|)) (.cse1 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 (= |old(~a11~0)| 1)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 10 |old(~a28~0)|))) (or (not (= 0 |old(~a11~0)|)) .cse1 .cse2))) [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L525-1(line 525) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:36:41,146 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:36:41,147 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:36:41,147 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:36:41,152 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,152 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:36:41,153 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:41,154 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,155 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:41,156 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:36:41,156 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:36:41,156 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:36:41,156 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:36:41,156 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:41,156 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)) [2020-11-06 22:36:41,157 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:36:41,157 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:41,157 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11))) (.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and (not (= ~a11~0 1)) .cse0) (<= ~a28~0 7) (and .cse1 .cse2 (= ~a11~0 0)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:41,157 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)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:36:41,157 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:41,158 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:41,158 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11))) (.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and (not (= ~a11~0 1)) .cse0) (<= ~a28~0 7) (and .cse1 .cse2 (= ~a11~0 0)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:41,158 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:36:41,158 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:36:41,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:41 BoogieIcfgContainer [2020-11-06 22:36:41,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:36:41,200 INFO L168 Benchmark]: Toolchain (without parser) took 23689.60 ms. Allocated memory was 152.0 MB in the beginning and 472.9 MB in the end (delta: 320.9 MB). Free memory was 125.1 MB in the beginning and 374.4 MB in the end (delta: -249.3 MB). Peak memory consumption was 285.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:41,202 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:36:41,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.54 ms. Allocated memory is still 152.0 MB. Free memory was 124.4 MB in the beginning and 98.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:41,204 INFO L168 Benchmark]: Boogie Preprocessor took 219.04 ms. Allocated memory is still 152.0 MB. Free memory was 98.7 MB in the beginning and 130.7 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:41,205 INFO L168 Benchmark]: RCFGBuilder took 1391.02 ms. Allocated memory was 152.0 MB in the beginning and 189.8 MB in the end (delta: 37.7 MB). Free memory was 130.7 MB in the beginning and 147.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:41,214 INFO L168 Benchmark]: TraceAbstraction took 21396.46 ms. Allocated memory was 189.8 MB in the beginning and 472.9 MB in the end (delta: 283.1 MB). Free memory was 147.2 MB in the beginning and 374.4 MB in the end (delta: -227.2 MB). Peak memory consumption was 269.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:41,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 664.54 ms. Allocated memory is still 152.0 MB. Free memory was 124.4 MB in the beginning and 98.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 219.04 ms. Allocated memory is still 152.0 MB. Free memory was 98.7 MB in the beginning and 130.7 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1391.02 ms. Allocated memory was 152.0 MB in the beginning and 189.8 MB in the end (delta: 37.7 MB). Free memory was 130.7 MB in the beginning and 147.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21396.46 ms. Allocated memory was 189.8 MB in the beginning and 472.9 MB in the end (delta: 283.1 MB). Free memory was 147.2 MB in the beginning and 374.4 MB in the end (delta: -227.2 MB). Peak memory consumption was 269.5 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: ((((((((((10 <= a28 && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a19) == 1)) || a19 == 1) || !(0 == \old(a11))) || ((!(a28 == a17) && a25 == a11) && !(a28 == 11))) || (!(a11 == 1) && !(a28 == 11))) || a28 <= 7) || ((!(a28 == a17) && a25 == a11) && a11 == 0)) || \old(a17) == \old(a28)) || !(\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: 19.0s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 540 SDtfs, 2692 SDslu, 314 SDs, 0 SdLazy, 4766 SolverSat, 918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3909occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 82 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 255 PreInvPairs, 331 NumberOfFragments, 461 HoareAnnotationTreeSize, 255 FomulaSimplifications, 14684 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4764 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1686 NumberOfCodeBlocks, 1686 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1676 ConstructedInterpolants, 0 QuantifiedInterpolants, 865383 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1670 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 632/681 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...