/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/Problem10_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:38:50,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:38:50,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:38:50,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:38:50,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:38:50,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:38:50,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:38:50,983 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 22:38:51,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:38:51,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:38:51,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:38:51,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:38:51,014 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:38:51,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:38:51,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:38:51,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:38:51,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:38:51,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:38:51,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:38:51,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:38:51,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:38:51,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:38:51,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:38:51,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:38:51,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:38:51,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:38:51,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:38:51,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:38:51,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:38:51,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:38:51,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:38:51,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:38:51,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:38:51,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:38:51,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:38:51,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:38:51,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:38:51,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:38:51,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:38:51,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:38:51,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:38:51,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:38:51,531 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:38:51,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-11-06 22:38:51,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d891877/6d3a5f4d2cdd4c5ab785563deda91bbf/FLAGbf48e2431 [2020-11-06 22:38:52,441 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:38:52,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-11-06 22:38:52,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d891877/6d3a5f4d2cdd4c5ab785563deda91bbf/FLAGbf48e2431 [2020-11-06 22:38:52,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d891877/6d3a5f4d2cdd4c5ab785563deda91bbf [2020-11-06 22:38:52,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:38:52,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:38:52,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:52,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:38:52,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:38:52,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:52" (1/1) ... [2020-11-06 22:38:52,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:52, skipping insertion in model container [2020-11-06 22:38:52,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:52" (1/1) ... [2020-11-06 22:38:52,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:38:52,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:38:53,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:53,317 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:38:53,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:53,459 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:38:53,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53 WrapperNode [2020-11-06 22:38:53,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:53,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:38:53,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:38:53,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:38:53,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (1/1) ... [2020-11-06 22:38:53,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:38:53,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:38:53,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:38:53,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:38:53,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (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 22:38:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:38:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:38:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:38:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:38:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:38:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:38:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:38:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:38:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:38:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:38:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:38:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:38:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:38:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:38:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:38:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:38:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:38:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:38:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:38:55,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:38:55,128 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:38:55,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:55 BoogieIcfgContainer [2020-11-06 22:38:55,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:38:55,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:38:55,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:38:55,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:38:55,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:52" (1/3) ... [2020-11-06 22:38:55,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ff2344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:55, skipping insertion in model container [2020-11-06 22:38:55,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:53" (2/3) ... [2020-11-06 22:38:55,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ff2344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:55, skipping insertion in model container [2020-11-06 22:38:55,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:55" (3/3) ... [2020-11-06 22:38:55,146 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-11-06 22:38:55,162 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:38:55,166 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:38:55,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:38:55,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:38:55,213 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:38:55,214 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:38:55,214 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:38:55,214 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:38:55,214 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:38:55,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:38:55,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:38:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:38:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-06 22:38:55,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:55,250 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] [2020-11-06 22:38:55,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:55,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1000492548, now seen corresponding path program 1 times [2020-11-06 22:38:55,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:55,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95387989] [2020-11-06 22:38:55,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:55,741 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 22:38:55,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95387989] [2020-11-06 22:38:55,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:55,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:38:55,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752072310] [2020-11-06 22:38:55,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:38:55,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:55,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:38:55,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:38:55,769 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-11-06 22:38:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:38:59,064 INFO L93 Difference]: Finished difference Result 735 states and 1307 transitions. [2020-11-06 22:38:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:38:59,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-11-06 22:38:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:38:59,089 INFO L225 Difference]: With dead ends: 735 [2020-11-06 22:38:59,089 INFO L226 Difference]: Without dead ends: 448 [2020-11-06 22:38:59,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:38:59,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-06 22:38:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-11-06 22:38:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-11-06 22:38:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-11-06 22:38:59,278 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 62 [2020-11-06 22:38:59,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:38:59,279 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-11-06 22:38:59,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:38:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-11-06 22:38:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-06 22:38:59,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:59,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:38:59,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:38:59,293 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:59,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:59,294 INFO L82 PathProgramCache]: Analyzing trace with hash -972378792, now seen corresponding path program 1 times [2020-11-06 22:38:59,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:59,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456795113] [2020-11-06 22:38:59,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:59,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:38:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:00,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456795113] [2020-11-06 22:39:00,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:00,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 22:39:00,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191365284] [2020-11-06 22:39:00,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 22:39:00,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:00,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 22:39:00,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:39:00,191 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 9 states. [2020-11-06 22:39:00,942 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-11-06 22:39:01,419 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2020-11-06 22:39:01,697 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-11-06 22:39:03,617 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-06 22:39:03,950 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-11-06 22:39:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:05,142 INFO L93 Difference]: Finished difference Result 1392 states and 2105 transitions. [2020-11-06 22:39:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:39:05,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-11-06 22:39:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:05,156 INFO L225 Difference]: With dead ends: 1392 [2020-11-06 22:39:05,157 INFO L226 Difference]: Without dead ends: 956 [2020-11-06 22:39:05,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2020-11-06 22:39:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-11-06 22:39:05,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 448. [2020-11-06 22:39:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-11-06 22:39:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 615 transitions. [2020-11-06 22:39:05,236 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 615 transitions. Word has length 181 [2020-11-06 22:39:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:05,237 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 615 transitions. [2020-11-06 22:39:05,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 22:39:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 615 transitions. [2020-11-06 22:39:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-11-06 22:39:05,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:05,248 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:05,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:39:05,249 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:05,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:05,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1030476172, now seen corresponding path program 1 times [2020-11-06 22:39:05,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:05,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171429156] [2020-11-06 22:39:05,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:05,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:05,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171429156] [2020-11-06 22:39:05,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390156059] [2020-11-06 22:39:05,982 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 22:39:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:06,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:06,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:06,550 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-06 22:39:06,551 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:06,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:06,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-11-06 22:39:06,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187036484] [2020-11-06 22:39:06,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:39:06,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:06,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:39:06,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:06,722 INFO L87 Difference]: Start difference. First operand 448 states and 615 transitions. Second operand 13 states. [2020-11-06 22:39:08,490 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2020-11-06 22:39:09,113 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-11-06 22:39:09,388 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-11-06 22:39:11,795 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-11-06 22:39:12,118 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-11-06 22:39:13,172 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-11-06 22:39:13,617 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-11-06 22:39:14,066 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-11-06 22:39:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:15,600 INFO L93 Difference]: Finished difference Result 1536 states and 2294 transitions. [2020-11-06 22:39:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-06 22:39:15,601 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 251 [2020-11-06 22:39:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:15,616 INFO L225 Difference]: With dead ends: 1536 [2020-11-06 22:39:15,617 INFO L226 Difference]: Without dead ends: 1094 [2020-11-06 22:39:15,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=477, Invalid=1685, Unknown=0, NotChecked=0, Total=2162 [2020-11-06 22:39:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2020-11-06 22:39:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1050. [2020-11-06 22:39:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-11-06 22:39:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1390 transitions. [2020-11-06 22:39:15,718 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1390 transitions. Word has length 251 [2020-11-06 22:39:15,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:15,720 INFO L481 AbstractCegarLoop]: Abstraction has 1050 states and 1390 transitions. [2020-11-06 22:39:15,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:39:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1390 transitions. [2020-11-06 22:39:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-11-06 22:39:15,731 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:15,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:15,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:39:15,946 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:15,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:15,947 INFO L82 PathProgramCache]: Analyzing trace with hash 970175784, now seen corresponding path program 1 times [2020-11-06 22:39:15,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:15,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527398903] [2020-11-06 22:39:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-06 22:39:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:16,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527398903] [2020-11-06 22:39:16,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449526072] [2020-11-06 22:39:16,398 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 22:39:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:16,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:16,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:16,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:16,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:39:16,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61671815] [2020-11-06 22:39:16,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:39:16,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:16,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:39:16,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:39:16,757 INFO L87 Difference]: Start difference. First operand 1050 states and 1390 transitions. Second operand 11 states. [2020-11-06 22:39:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:21,638 INFO L93 Difference]: Finished difference Result 3356 states and 4920 transitions. [2020-11-06 22:39:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-06 22:39:21,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 266 [2020-11-06 22:39:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:21,657 INFO L225 Difference]: With dead ends: 3356 [2020-11-06 22:39:21,657 INFO L226 Difference]: Without dead ends: 1696 [2020-11-06 22:39:21,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-11-06 22:39:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-11-06 22:39:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1666. [2020-11-06 22:39:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-11-06 22:39:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2094 transitions. [2020-11-06 22:39:21,788 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2094 transitions. Word has length 266 [2020-11-06 22:39:21,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:21,789 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 2094 transitions. [2020-11-06 22:39:21,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:39:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2094 transitions. [2020-11-06 22:39:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-11-06 22:39:21,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:21,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:22,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:22,015 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:22,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1442467156, now seen corresponding path program 1 times [2020-11-06 22:39:22,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:22,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688094670] [2020-11-06 22:39:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:22,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-11-06 22:39:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 108 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:39:22,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688094670] [2020-11-06 22:39:22,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871773069] [2020-11-06 22:39:22,493 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 22:39:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:22,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:39:22,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-06 22:39:22,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:22,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-11-06 22:39:22,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696343268] [2020-11-06 22:39:22,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:39:22,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:22,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:39:22,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:22,781 INFO L87 Difference]: Start difference. First operand 1666 states and 2094 transitions. Second operand 5 states. [2020-11-06 22:39:24,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:24,062 INFO L93 Difference]: Finished difference Result 3143 states and 3911 transitions. [2020-11-06 22:39:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:39:24,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 276 [2020-11-06 22:39:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:24,081 INFO L225 Difference]: With dead ends: 3143 [2020-11-06 22:39:24,082 INFO L226 Difference]: Without dead ends: 1503 [2020-11-06 22:39:24,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:24,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2020-11-06 22:39:24,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1483. [2020-11-06 22:39:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2020-11-06 22:39:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1735 transitions. [2020-11-06 22:39:24,173 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1735 transitions. Word has length 276 [2020-11-06 22:39:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:24,174 INFO L481 AbstractCegarLoop]: Abstraction has 1483 states and 1735 transitions. [2020-11-06 22:39:24,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:39:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1735 transitions. [2020-11-06 22:39:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-11-06 22:39:24,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:24,189 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:39:24,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:24,405 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash 945810188, now seen corresponding path program 1 times [2020-11-06 22:39:24,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:24,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289297295] [2020-11-06 22:39:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:24,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:24,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-11-06 22:39:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-06 22:39:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-06 22:39:25,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289297295] [2020-11-06 22:39:25,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036499875] [2020-11-06 22:39:25,012 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 22:39:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:25,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-06 22:39:25,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:25,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:25,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:25,276 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,280 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,289 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:25,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:25,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:25,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:25,476 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,526 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,529 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:39:25,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:26,265 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-11-06 22:39:27,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:27,963 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-06 22:39:27,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:27,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-06 22:39:28,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:28,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2020-11-06 22:39:28,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547862179] [2020-11-06 22:39:28,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:39:28,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:28,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:39:28,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=102, Unknown=1, NotChecked=0, Total=132 [2020-11-06 22:39:28,238 INFO L87 Difference]: Start difference. First operand 1483 states and 1735 transitions. Second operand 12 states. [2020-11-06 22:39:30,523 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-11-06 22:39:34,644 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-11-06 22:39:35,979 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-11-06 22:39:37,923 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2020-11-06 22:39:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:40,794 INFO L93 Difference]: Finished difference Result 4932 states and 6440 transitions. [2020-11-06 22:39:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-06 22:39:40,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 373 [2020-11-06 22:39:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:40,797 INFO L225 Difference]: With dead ends: 4932 [2020-11-06 22:39:40,797 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:39:40,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=200, Invalid=791, Unknown=1, NotChecked=0, Total=992 [2020-11-06 22:39:40,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:39:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:39:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:39:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:39:40,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-11-06 22:39:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:40,815 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:39:40,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:39:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:39:40,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:39:41,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:41,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:39:41,352 WARN L194 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 216 [2020-11-06 22:39:42,520 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 216 [2020-11-06 22:39:42,668 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2020-11-06 22:39:43,507 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 38 [2020-11-06 22:39:44,285 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 40 [2020-11-06 22:39:44,415 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-11-06 22:39:44,692 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 26 [2020-11-06 22:39:45,560 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 38 [2020-11-06 22:39:45,568 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:39:45,568 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:39:45,568 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:39:45,572 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:39:45,572 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:45,572 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= ~a10~0 |old(~a10~0)|)) [2020-11-06 22:39:45,572 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:45,572 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:39:45,573 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:39:45,574 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:39:45,575 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:39:45,575 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:39:45,575 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:39:45,581 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:39:45,581 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,581 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:39:45,582 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:39:45,583 INFO L262 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse3 (= 6 |old(~a19~0)|)) (.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (<= |old(~a1~0)| 33)) .cse2) (or .cse3 (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2020-11-06 22:39:45,583 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:39:45,586 INFO L266 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:39:45,587 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:39:45,588 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,588 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,588 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,589 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,589 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,589 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:39:45,589 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:39:45,590 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:39:45,591 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:39:45,591 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:39:45,591 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:39:45,592 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:39:45,593 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:39:45,594 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:39:45,594 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:39:45,594 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:39:45,594 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:39:45,597 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:39:45,597 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:39:45,598 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:39:45,599 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:39:45,600 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:39:45,601 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:39:45,601 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:39:45,601 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:39:45,604 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,604 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,604 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:39:45,604 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,605 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:39:45,606 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,607 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,608 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:39:45,608 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,610 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,610 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:39:45,610 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:39:45,610 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:39:45,611 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:39:45,611 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:39:45,611 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:39:45,612 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:39:45,612 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:39:45,612 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,613 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,615 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,615 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,615 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,615 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:39:45,615 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse5 (and (not (= ~a19~0 6)) .cse0 .cse1 .cse2)) (.cse6 (= 6 |old(~a19~0)|)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a19~0)| 8)) (and .cse0 .cse1 .cse2) .cse3 (not (<= |old(~a1~0)| 33)) .cse4) (or .cse5 .cse6 (not (<= |old(~a10~0)| 2)) .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~a19~0)| 9)) .cse3 .cse4)))) [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:39:45,616 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:39:45,617 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:39:45,617 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:39:45,618 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:39:45,618 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:39:45,619 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:39:45,620 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:39:45,621 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:39:45,621 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,621 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,621 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,622 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,622 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,623 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,623 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:39:45,623 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:39:45,623 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:39:45,624 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:45,625 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:45,626 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-11-06 22:39:45,626 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:39:45,626 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:45,626 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a1~0 23) (<= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-11-06 22:39:45,626 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:45,627 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a1~0 33) .cse0) (and (<= ~a10~0 2) .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse1 .cse0) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0)))) [2020-11-06 22:39:45,627 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:39:45,627 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:39:45,627 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (<= ~a1~0 33) .cse0) (and (<= ~a10~0 2) .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse1 .cse0) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0)))) [2020-11-06 22:39:45,627 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:45,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:45 BoogieIcfgContainer [2020-11-06 22:39:45,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:39:45,676 INFO L168 Benchmark]: Toolchain (without parser) took 52989.69 ms. Allocated memory was 152.0 MB in the beginning and 483.4 MB in the end (delta: 331.4 MB). Free memory was 125.3 MB in the beginning and 224.7 MB in the end (delta: -99.4 MB). Peak memory consumption was 288.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:45,677 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:39:45,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.69 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 98.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:45,678 INFO L168 Benchmark]: Boogie Preprocessor took 143.88 ms. Allocated memory is still 152.0 MB. Free memory was 98.0 MB in the beginning and 129.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:45,686 INFO L168 Benchmark]: RCFGBuilder took 1525.53 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 129.8 MB in the beginning and 141.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:45,688 INFO L168 Benchmark]: TraceAbstraction took 50532.69 ms. Allocated memory was 182.5 MB in the beginning and 483.4 MB in the end (delta: 300.9 MB). Free memory was 140.8 MB in the beginning and 224.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 273.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:45,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 770.69 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 98.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.88 ms. Allocated memory is still 152.0 MB. Free memory was 98.0 MB in the beginning and 129.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1525.53 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 129.8 MB in the beginning and 141.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50532.69 ms. Allocated memory was 182.5 MB in the beginning and 483.4 MB in the end (delta: 300.9 MB). Free memory was 140.8 MB in the beginning and 224.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 273.2 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: 584]: Loop Invariant Derived loop invariant: ((((((((!(23 <= \old(a1)) || (a1 <= 33 && a19 <= 9)) || (a10 <= 2 && !(a19 == 6))) || !(9 <= \old(a19))) || (!(a19 == 6) && a19 <= 9)) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.8s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 36.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 6124 SDslu, 400 SDs, 0 SdLazy, 10130 SolverSat, 2780 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1217 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1666occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 608 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 186 PreInvPairs, 282 NumberOfFragments, 372 HoareAnnotationTreeSize, 186 FomulaSimplifications, 117600 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 15875 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2575 NumberOfCodeBlocks, 2575 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2565 ConstructedInterpolants, 1 QuantifiedInterpolants, 1997934 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2172 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1949/2052 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...