/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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:36:36,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:36:36,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:36:36,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:36:36,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:36:36,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:36:36,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:36:36,787 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 22:36:36,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:36:36,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:36:36,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:36:36,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:36:36,856 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:36:36,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:36:36,858 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:36:36,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:36:36,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:36:36,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:36:36,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:36:36,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:36:36,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:36:36,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:36:36,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:36:36,862 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:36:36,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:36:36,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:36:36,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:36:36,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:36:36,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:36:36,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:36:36,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:36:36,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:36:36,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:36:36,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:36:36,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:36:36,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:36:36,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:36:36,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:36:37,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:36:37,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:36:37,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:36:37,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:36:37,338 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:36:37,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2020-11-06 22:36:37,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde7e640/0e51cbd394454e1591214e8a0a126c4a/FLAGf25fec949 [2020-11-06 22:36:38,195 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:36:38,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2020-11-06 22:36:38,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde7e640/0e51cbd394454e1591214e8a0a126c4a/FLAGf25fec949 [2020-11-06 22:36:38,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bde7e640/0e51cbd394454e1591214e8a0a126c4a [2020-11-06 22:36:38,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:36:38,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:36:38,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:38,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:36:38,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:36:38,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:38" (1/1) ... [2020-11-06 22:36:38,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725dbb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:38, skipping insertion in model container [2020-11-06 22:36:38,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:38" (1/1) ... [2020-11-06 22:36:38,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:36:38,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:36:38,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:38,923 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:36:39,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:36:39,148 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:36:39,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39 WrapperNode [2020-11-06 22:36:39,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:36:39,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:36:39,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:36:39,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:36:39,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2020-11-06 22:36:39,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:36:39,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:36:39,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:36:39,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:36:39,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:36:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:36:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:36:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:36:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:36:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:36:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:36:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:36:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:36:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:36:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:36:40,749 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:36:40,750 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:36:40,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:40 BoogieIcfgContainer [2020-11-06 22:36:40,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:36:40,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:36:40,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:36:40,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:36:40,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:38" (1/3) ... [2020-11-06 22:36:40,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d34862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:40, skipping insertion in model container [2020-11-06 22:36:40,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (2/3) ... [2020-11-06 22:36:40,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d34862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:40, skipping insertion in model container [2020-11-06 22:36:40,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:40" (3/3) ... [2020-11-06 22:36:40,762 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label25.c [2020-11-06 22:36:40,782 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:36:40,788 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:36:40,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:36:40,837 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:36:40,838 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:36:40,838 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:36:40,838 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:36:40,838 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:36:40,838 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:36:40,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:36:40,839 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:36:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:36:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-06 22:36:40,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:40,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:40,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:40,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:40,897 INFO L82 PathProgramCache]: Analyzing trace with hash 763147685, now seen corresponding path program 1 times [2020-11-06 22:36:40,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:40,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609546413] [2020-11-06 22:36:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:41,847 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:36:41,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:42,013 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 22:36:42,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609546413] [2020-11-06 22:36:42,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:42,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:36:42,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378687799] [2020-11-06 22:36:42,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:36:42,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:42,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:36:42,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:36:42,051 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:36:42,227 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:36:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:44,480 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-11-06 22:36:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:36:44,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-11-06 22:36:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:44,515 INFO L225 Difference]: With dead ends: 676 [2020-11-06 22:36:44,516 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:36:44,529 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 22:36:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:36:44,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-11-06 22:36:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-11-06 22:36:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-11-06 22:36:44,724 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 141 [2020-11-06 22:36:44,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:44,727 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-11-06 22:36:44,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:36:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-11-06 22:36:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-06 22:36:44,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:44,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:44,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:36:44,755 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:44,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:44,756 INFO L82 PathProgramCache]: Analyzing trace with hash -193273871, now seen corresponding path program 1 times [2020-11-06 22:36:44,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:44,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443631428] [2020-11-06 22:36:44,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:45,102 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 22:36:45,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443631428] [2020-11-06 22:36:45,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:45,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:36:45,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931764953] [2020-11-06 22:36:45,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:45,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:45,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:45,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:45,114 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-11-06 22:36:45,266 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:36:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:47,297 INFO L93 Difference]: Finished difference Result 982 states and 1451 transitions. [2020-11-06 22:36:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:36:47,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 149 [2020-11-06 22:36:47,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:47,323 INFO L225 Difference]: With dead ends: 982 [2020-11-06 22:36:47,323 INFO L226 Difference]: Without dead ends: 655 [2020-11-06 22:36:47,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:36:47,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-11-06 22:36:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2020-11-06 22:36:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-11-06 22:36:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 885 transitions. [2020-11-06 22:36:47,457 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 885 transitions. Word has length 149 [2020-11-06 22:36:47,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:47,460 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 885 transitions. [2020-11-06 22:36:47,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 885 transitions. [2020-11-06 22:36:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-06 22:36:47,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:47,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:47,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:36:47,471 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:47,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:47,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1764453970, now seen corresponding path program 1 times [2020-11-06 22:36:47,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:47,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794462464] [2020-11-06 22:36:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:47,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:47,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794462464] [2020-11-06 22:36:47,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327947337] [2020-11-06 22:36:47,933 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 22:36:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:48,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:48,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:48,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:48,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-11-06 22:36:48,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173334045] [2020-11-06 22:36:48,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:48,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:48,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:48,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:36:48,301 INFO L87 Difference]: Start difference. First operand 640 states and 885 transitions. Second operand 3 states. [2020-11-06 22:36:49,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:49,297 INFO L93 Difference]: Finished difference Result 1862 states and 2628 transitions. [2020-11-06 22:36:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:49,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-11-06 22:36:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:49,308 INFO L225 Difference]: With dead ends: 1862 [2020-11-06 22:36:49,309 INFO L226 Difference]: Without dead ends: 1228 [2020-11-06 22:36:49,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:36:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2020-11-06 22:36:49,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1225. [2020-11-06 22:36:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2020-11-06 22:36:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1543 transitions. [2020-11-06 22:36:49,375 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1543 transitions. Word has length 154 [2020-11-06 22:36:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:49,376 INFO L481 AbstractCegarLoop]: Abstraction has 1225 states and 1543 transitions. [2020-11-06 22:36:49,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1543 transitions. [2020-11-06 22:36:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-06 22:36:49,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:49,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:36:49,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:36:49,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:49,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1725954814, now seen corresponding path program 1 times [2020-11-06 22:36:49,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:49,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552004860] [2020-11-06 22:36:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:49,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:49,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552004860] [2020-11-06 22:36:49,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:36:49,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:36:49,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830530129] [2020-11-06 22:36:49,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:36:49,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:49,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:36:49,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:36:49,917 INFO L87 Difference]: Start difference. First operand 1225 states and 1543 transitions. Second operand 7 states. [2020-11-06 22:36:52,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:52,297 INFO L93 Difference]: Finished difference Result 3257 states and 4395 transitions. [2020-11-06 22:36:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:36:52,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-11-06 22:36:52,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:52,318 INFO L225 Difference]: With dead ends: 3257 [2020-11-06 22:36:52,318 INFO L226 Difference]: Without dead ends: 2038 [2020-11-06 22:36:52,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:36:52,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2020-11-06 22:36:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1986. [2020-11-06 22:36:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2020-11-06 22:36:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2524 transitions. [2020-11-06 22:36:52,476 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2524 transitions. Word has length 162 [2020-11-06 22:36:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:52,477 INFO L481 AbstractCegarLoop]: Abstraction has 1986 states and 2524 transitions. [2020-11-06 22:36:52,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:36:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2524 transitions. [2020-11-06 22:36:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-06 22:36:52,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:52,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:52,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:36:52,491 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:52,492 INFO L82 PathProgramCache]: Analyzing trace with hash 166191244, now seen corresponding path program 1 times [2020-11-06 22:36:52,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:52,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622728549] [2020-11-06 22:36:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:53,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:53,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622728549] [2020-11-06 22:36:53,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087283771] [2020-11-06 22:36:53,396 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 22:36:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:53,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:53,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:53,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:36:53,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2020-11-06 22:36:53,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071521373] [2020-11-06 22:36:53,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:36:53,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:53,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:36:53,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:36:53,670 INFO L87 Difference]: Start difference. First operand 1986 states and 2524 transitions. Second operand 3 states. [2020-11-06 22:36:54,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:36:54,417 INFO L93 Difference]: Finished difference Result 4851 states and 6397 transitions. [2020-11-06 22:36:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:36:54,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2020-11-06 22:36:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:36:54,444 INFO L225 Difference]: With dead ends: 4851 [2020-11-06 22:36:54,445 INFO L226 Difference]: Without dead ends: 2871 [2020-11-06 22:36:54,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:36:54,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2020-11-06 22:36:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2867. [2020-11-06 22:36:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2867 states. [2020-11-06 22:36:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3680 transitions. [2020-11-06 22:36:54,641 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3680 transitions. Word has length 175 [2020-11-06 22:36:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:36:54,642 INFO L481 AbstractCegarLoop]: Abstraction has 2867 states and 3680 transitions. [2020-11-06 22:36:54,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:36:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3680 transitions. [2020-11-06 22:36:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-06 22:36:54,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:36:54,658 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:54,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:36:54,872 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:36:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:36:54,874 INFO L82 PathProgramCache]: Analyzing trace with hash -91348769, now seen corresponding path program 1 times [2020-11-06 22:36:54,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:36:54,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209890572] [2020-11-06 22:36:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:36:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:55,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:36:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:55,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:36:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:55,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 22:36:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:36:55,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209890572] [2020-11-06 22:36:55,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353522919] [2020-11-06 22:36:55,178 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 22:36:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:36:55,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:36:55,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:36:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:36:55,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:36:55,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-11-06 22:36:55,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770025000] [2020-11-06 22:36:55,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:36:55,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:36:55,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:36:55,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:36:55,471 INFO L87 Difference]: Start difference. First operand 2867 states and 3680 transitions. Second operand 12 states. [2020-11-06 22:36:55,655 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:36:57,180 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:37:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:00,589 INFO L93 Difference]: Finished difference Result 7557 states and 9989 transitions. [2020-11-06 22:37:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-06 22:37:00,590 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 184 [2020-11-06 22:37:00,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:00,621 INFO L225 Difference]: With dead ends: 7557 [2020-11-06 22:37:00,622 INFO L226 Difference]: Without dead ends: 4696 [2020-11-06 22:37:00,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-11-06 22:37:00,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4696 states. [2020-11-06 22:37:00,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4381. [2020-11-06 22:37:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4381 states. [2020-11-06 22:37:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 4985 transitions. [2020-11-06 22:37:00,827 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 4985 transitions. Word has length 184 [2020-11-06 22:37:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:00,828 INFO L481 AbstractCegarLoop]: Abstraction has 4381 states and 4985 transitions. [2020-11-06 22:37:00,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:37:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 4985 transitions. [2020-11-06 22:37:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-06 22:37:00,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:00,845 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:01,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:01,059 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:01,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:01,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1369057822, now seen corresponding path program 1 times [2020-11-06 22:37:01,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:01,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852755711] [2020-11-06 22:37:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 22:37:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:37:01,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852755711] [2020-11-06 22:37:01,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321094829] [2020-11-06 22:37:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:01,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:01,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:37:01,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:01,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:37:01,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378896785] [2020-11-06 22:37:01,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:37:01,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:01,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:37:01,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:01,536 INFO L87 Difference]: Start difference. First operand 4381 states and 4985 transitions. Second operand 10 states. [2020-11-06 22:37:01,806 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-11-06 22:37:02,075 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-11-06 22:37:02,431 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:37:08,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:08,798 INFO L93 Difference]: Finished difference Result 11488 states and 13703 transitions. [2020-11-06 22:37:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 22:37:08,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-11-06 22:37:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:08,843 INFO L225 Difference]: With dead ends: 11488 [2020-11-06 22:37:08,843 INFO L226 Difference]: Without dead ends: 6645 [2020-11-06 22:37:08,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2020-11-06 22:37:08,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6645 states. [2020-11-06 22:37:09,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6645 to 5083. [2020-11-06 22:37:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5083 states. [2020-11-06 22:37:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 5495 transitions. [2020-11-06 22:37:09,081 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 5495 transitions. Word has length 191 [2020-11-06 22:37:09,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:09,081 INFO L481 AbstractCegarLoop]: Abstraction has 5083 states and 5495 transitions. [2020-11-06 22:37:09,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:37:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 5495 transitions. [2020-11-06 22:37:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-06 22:37:09,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:09,098 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:09,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:09,313 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:09,315 INFO L82 PathProgramCache]: Analyzing trace with hash -383522516, now seen corresponding path program 1 times [2020-11-06 22:37:09,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:09,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711803328] [2020-11-06 22:37:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:37:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 22:37:10,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711803328] [2020-11-06 22:37:10,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718284254] [2020-11-06 22:37:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:10,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:10,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 22:37:10,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:10,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2020-11-06 22:37:10,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313323131] [2020-11-06 22:37:10,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:37:10,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:10,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:37:10,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:10,343 INFO L87 Difference]: Start difference. First operand 5083 states and 5495 transitions. Second operand 3 states. [2020-11-06 22:37:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:11,093 INFO L93 Difference]: Finished difference Result 9006 states and 9699 transitions. [2020-11-06 22:37:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:37:11,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-11-06 22:37:11,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:11,095 INFO L225 Difference]: With dead ends: 9006 [2020-11-06 22:37:11,095 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:37:11,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:11,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:37:11,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:37:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:37:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:37:11,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-11-06 22:37:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:11,117 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:37:11,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:37:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:37:11,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:37:11,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:11,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:37:12,729 WARN L194 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 209 [2020-11-06 22:37:13,594 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 209 [2020-11-06 22:37:13,733 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2020-11-06 22:37:16,336 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 231 DAG size of output: 77 [2020-11-06 22:37:17,734 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 179 DAG size of output: 65 [2020-11-06 22:37:18,278 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 49 [2020-11-06 22:37:19,569 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 179 DAG size of output: 65 [2020-11-06 22:37:19,574 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:37:19,574 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:37:19,574 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:37:19,575 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:37:19,575 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:19,575 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 22:37:19,575 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:19,575 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:19,576 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,577 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:37:19,578 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:19,579 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:37:19,580 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:37:19,581 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,582 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:37:19,583 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,584 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L262 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a28~0)| 9))) (.cse8 (not (= |old(~a19~0)| 1))) (.cse5 (= 9 |old(~a28~0)|)) (.cse6 (not (= 0 |old(~a25~0)|))) (.cse3 (not (<= 9 |old(~a28~0)|))) (.cse4 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse9 (not (<= |old(~a28~0)| 7))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse7 (not (<= 8 |old(~a17~0)|))) (.cse2 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= |old(~a17~0)| |old(~a28~0)|) .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse5 .cse2 .cse3) (or .cse0 .cse8 (not (<= 11 |old(~a28~0)|))) (or .cse0 .cse8 .cse7) (or .cse0 .cse9 .cse8) (or .cse8 .cse7 .cse6 .cse3) (or .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse9 .cse8 .cse7 .cse6 .cse4) (or .cse8 .cse5 .cse6 .cse3) (or .cse7 .cse6 .cse2) (or .cse6 .cse2 .cse3 .cse4) (or .cse9 .cse0 .cse7 .cse2))) [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-11-06 22:37:19,585 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:37:19,586 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:37:19,586 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:37:19,586 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:37:19,586 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:37:19,590 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:37:19,590 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:37:19,590 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:37:19,591 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,592 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,593 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:19,594 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:37:19,595 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,596 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,597 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,597 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,597 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:37:19,598 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:37:19,598 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:37:19,599 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:37:19,600 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:37:19,601 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:37:19,601 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:37:19,601 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:37:19,601 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:37:19,601 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse15 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse21 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a19~0 1)) (.cse13 (= ~a25~0 1))) (let ((.cse3 (not (<= |old(~a28~0)| 7))) (.cse2 (and .cse5 .cse7 .cse21 .cse8 .cse13)) (.cse20 (= 9 |old(~a28~0)|)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse16 (not (<= |old(~a28~0)| 9))) (.cse6 (= ~a25~0 ~a11~0)) (.cse12 (<= 9 ~a28~0)) (.cse14 (<= ~a28~0 9)) (.cse18 (not (<= 9 |old(~a28~0)|))) (.cse11 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse19 (and .cse5 .cse7 .cse21 .cse9 .cse15)) (.cse10 (not (= 0 |old(~a25~0)|))) (.cse17 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 (not (<= 11 |old(~a28~0)|)) .cse2) (or .cse3 .cse1 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11) (or .cse0 (and .cse6 .cse7 .cse12 .cse13 .cse14 .cse15) .cse16 .cse17 (= |old(~a17~0)| |old(~a28~0)|) .cse18 .cse11) (or (and .cse6 .cse7 .cse12 .cse9 .cse14 .cse15) .cse10 .cse16 .cse17 .cse18 .cse11) (or .cse3 .cse0 .cse4 .cse19 .cse17) (or .cse19 .cse20 .cse10 .cse17 .cse18) (or .cse0 (and .cse5 .cse7 .cse21 .cse13 .cse15) .cse4 .cse20 .cse17 .cse18) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse1 .cse4 (and .cse7 .cse21 .cse12 .cse8 .cse9 .cse14) .cse10 .cse16 .cse18) (or .cse1 .cse20 .cse10 (and .cse5 .cse7 .cse21 .cse8 .cse9) .cse18) (or .cse0 .cse1 .cse16 (and .cse6 .cse7 .cse12 .cse8 .cse13 .cse14) .cse18 .cse11) (or .cse4 .cse19 .cse10 .cse17)))) [2020-11-06 22:37:19,601 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:37:19,602 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,603 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:37:19,604 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,605 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:37:19,606 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:19,607 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,608 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:19,609 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-11-06 22:37:19,609 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:37:19,610 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:19,610 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 9))) (.cse3 (= ~a25~0 0)) (.cse8 (<= ~a28~0 7)) (.cse9 (= ~a25~0 ~a11~0)) (.cse6 (<= ~a19~0 0)) (.cse1 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 9)) (.cse0 (= 7 |old(~a28~0)|)) (.cse2 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse7 (= ~a25~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse2 .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse9 .cse1 .cse2 .cse7 .cse10) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse0 .cse6 .cse1 .cse4 .cse7) (and .cse0 (<= 11 ~a28~0) .cse2 .cse7) (and .cse0 .cse6 .cse4 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse1 .cse3) (and (or (and .cse0 .cse9 .cse3 .cse2 .cse8) (and (= ~a28~0 |old(~a28~0)|) .cse9 (= ~a17~0 |old(~a17~0)|) .cse2 (= ~a25~0 |old(~a25~0)|))) .cse4) (and (not (= ~a28~0 ~a17~0)) .cse9 .cse0 .cse6 .cse1 .cse7 .cse10) (and .cse0 .cse2 .cse4 .cse7) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:19,610 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 (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:37:19,610 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:19,610 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:19,611 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 9))) (.cse3 (= ~a25~0 0)) (.cse8 (<= ~a28~0 7)) (.cse9 (= ~a25~0 ~a11~0)) (.cse6 (<= ~a19~0 0)) (.cse1 (<= 9 ~a28~0)) (.cse10 (<= ~a28~0 9)) (.cse0 (= 7 |old(~a28~0)|)) (.cse2 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse7 (= ~a25~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse2 .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse9 .cse1 .cse2 .cse7 .cse10) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse0 .cse6 .cse1 .cse4 .cse7) (and .cse0 (<= 11 ~a28~0) .cse2 .cse7) (and .cse0 .cse6 .cse4 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse1 .cse3) (and (or (and .cse0 .cse9 .cse3 .cse2 .cse8) (and (= ~a28~0 |old(~a28~0)|) .cse9 (= ~a17~0 |old(~a17~0)|) .cse2 (= ~a25~0 |old(~a25~0)|))) .cse4) (and (not (= ~a28~0 ~a17~0)) .cse9 .cse0 .cse6 .cse1 .cse7 .cse10) (and .cse0 .cse2 .cse4 .cse7) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:19,611 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:37:19,611 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:37:19,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:37:19 BoogieIcfgContainer [2020-11-06 22:37:19,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:37:19,672 INFO L168 Benchmark]: Toolchain (without parser) took 41232.63 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 125.1 MB in the beginning and 481.2 MB in the end (delta: -356.1 MB). Peak memory consumption was 357.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:19,673 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:37:19,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 130.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:19,674 INFO L168 Benchmark]: Boogie Preprocessor took 117.62 ms. Allocated memory is still 151.0 MB. Free memory was 130.7 MB in the beginning and 125.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:19,675 INFO L168 Benchmark]: RCFGBuilder took 1483.96 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 104.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:19,676 INFO L168 Benchmark]: TraceAbstraction took 38916.14 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 104.1 MB in the beginning and 481.2 MB in the end (delta: -377.2 MB). Peak memory consumption was 335.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:19,680 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 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 696.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 130.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.62 ms. Allocated memory is still 151.0 MB. Free memory was 130.7 MB in the beginning and 125.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1483.96 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 104.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38916.14 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 104.1 MB in the beginning and 481.2 MB in the end (delta: -377.2 MB). Peak memory consumption was 335.4 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: ((((((((((((((((((((7 == \old(a28) && 9 <= a28) && a19 == 1) && a25 == 0) && 8 <= a17) || ((((!(a28 == 9) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a25 == 0)) || (((7 == \old(a28) && a19 <= 0) && a25 == 0) && 8 <= a17)) || ((((!(a28 == 9) && 7 == \old(a28)) && 9 <= a28) && a19 == 1) && a25 == 0)) || !(8 <= \old(a17))) || !(\old(a19) == 1)) || (((7 == \old(a28) && a19 == 1) && a25 == 1) && a28 <= 7)) || !(0 == \old(a25))) || (((((7 == \old(a28) && a25 == a11) && 9 <= a28) && a19 == 1) && a25 == 1) && a28 <= 9)) || !(\old(a28) <= 7)) || (((((!(a28 == 9) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && 8 <= a17) && a25 == 1)) || (((7 == \old(a28) && 11 <= a28) && a19 == 1) && a25 == 1)) || ((((7 == \old(a28) && a19 <= 0) && 8 <= a17) && a25 == 1) && a28 <= 7)) || ((((7 == \old(a28) && a25 == a11) && a19 <= 0) && 9 <= a28) && a25 == 0)) || ((((((7 == \old(a28) && a25 == a11) && a25 == 0) && a19 == 1) && a28 <= 7) || ((((a28 == \old(a28) && a25 == a11) && a17 == \old(a17)) && a19 == 1) && a25 == \old(a25))) && 8 <= a17)) || ((((((!(a28 == a17) && a25 == a11) && 7 == \old(a28)) && a19 <= 0) && 9 <= a28) && a25 == 1) && a28 <= 9)) || (((7 == \old(a28) && a19 == 1) && 8 <= a17) && a25 == 1)) || !(\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: 30.4s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 22.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 679 SDtfs, 5109 SDslu, 614 SDs, 0 SdLazy, 10312 SolverSat, 1661 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 955 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5083occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 1960 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 304 PreInvPairs, 404 NumberOfFragments, 1317 HoareAnnotationTreeSize, 304 FomulaSimplifications, 75588 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11255 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2242 NumberOfCodeBlocks, 2242 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2229 ConstructedInterpolants, 0 QuantifiedInterpolants, 1553181 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2432 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 424/445 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...