/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:26:11,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:26:11,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:26:11,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-07 11:26:11,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:26:11,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:26:11,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:26:11,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:26:11,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:26:11,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:26:11,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:26:11,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:26:11,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:26:11,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:26:11,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:26:11,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:26:11,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:26:11,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:26:11,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:26:11,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:26:11,195 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 [2020-07-07 11:26:11,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:26:11,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:26:11,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:26:11,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:26:11,225 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:26:11,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:26:11,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:26:11,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:26:11,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:26:11,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:26:11,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:26:11,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:26:11,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:26:11,226 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:26:11,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:26:11,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:26:11,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:26:11,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:26:11,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:26:11,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:26:11,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:26:11,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:26:11,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:26:11,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:26:11,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:26:11,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:26:11,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:26:11,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:26:11,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:26:11,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:26:11,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:26:11,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:26:11,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:26:11,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:26:11,501 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:26:11,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-07 11:26:11,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf11e70/23a22947fb7549cfbff80bef55ea20d2/FLAGc69d6ae7b [2020-07-07 11:26:12,035 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:26:12,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-07 11:26:12,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf11e70/23a22947fb7549cfbff80bef55ea20d2/FLAGc69d6ae7b [2020-07-07 11:26:12,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf11e70/23a22947fb7549cfbff80bef55ea20d2 [2020-07-07 11:26:12,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:26:12,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:26:12,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:12,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:26:12,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:26:12,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:12" (1/1) ... [2020-07-07 11:26:12,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e99b674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:12, skipping insertion in model container [2020-07-07 11:26:12,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:12" (1/1) ... [2020-07-07 11:26:12,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:26:12,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:26:12,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:12,998 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:26:13,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:13,106 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:26:13,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13 WrapperNode [2020-07-07 11:26:13,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:13,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:26:13,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:26:13,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:26:13,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (1/1) ... [2020-07-07 11:26:13,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:26:13,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:26:13,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:26:13,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:26:13,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (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 [2020-07-07 11:26:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:26:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:26:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:26:13,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:26:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:26:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:26:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:26:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:26:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:26:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:26:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:26:14,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:26:14,311 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:26:14,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:14 BoogieIcfgContainer [2020-07-07 11:26:14,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:26:14,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:26:14,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:26:14,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:26:14,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:26:12" (1/3) ... [2020-07-07 11:26:14,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0ed27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:14, skipping insertion in model container [2020-07-07 11:26:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:13" (2/3) ... [2020-07-07 11:26:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0ed27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:14, skipping insertion in model container [2020-07-07 11:26:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:14" (3/3) ... [2020-07-07 11:26:14,325 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-07-07 11:26:14,335 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:26:14,342 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:26:14,355 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:26:14,379 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:26:14,379 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:26:14,379 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:26:14,379 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:26:14,380 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:26:14,380 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:26:14,380 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:26:14,380 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:26:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:26:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-07 11:26:14,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:14,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:14,419 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:14,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-07-07 11:26:14,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:14,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627559443] [2020-07-07 11:26:14,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:15,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627559443] [2020-07-07 11:26:15,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:26:15,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:26:15,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106099568] [2020-07-07 11:26:15,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:15,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:15,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:15,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:26:15,043 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:26:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:17,280 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-07 11:26:17,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:26:17,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-07-07 11:26:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:17,301 INFO L225 Difference]: With dead ends: 813 [2020-07-07 11:26:17,301 INFO L226 Difference]: Without dead ends: 488 [2020-07-07 11:26:17,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:17,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-07 11:26:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-07 11:26:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-07 11:26:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-07 11:26:17,403 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 118 [2020-07-07 11:26:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:17,405 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-07 11:26:17,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-07 11:26:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-07 11:26:17,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:17,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:17,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:26:17,422 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:17,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:17,423 INFO L82 PathProgramCache]: Analyzing trace with hash -2043531383, now seen corresponding path program 1 times [2020-07-07 11:26:17,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:17,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418936228] [2020-07-07 11:26:17,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:17,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418936228] [2020-07-07 11:26:17,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764432134] [2020-07-07 11:26:17,864 INFO L94 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 [2020-07-07 11:26:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,959 INFO L264 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:17,978 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:18,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:18,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:26:18,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97371474] [2020-07-07 11:26:18,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:26:18,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:18,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:26:18,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:18,099 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-07 11:26:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:18,683 INFO L93 Difference]: Finished difference Result 1395 states and 2042 transitions. [2020-07-07 11:26:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:26:18,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-07 11:26:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:18,692 INFO L225 Difference]: With dead ends: 1395 [2020-07-07 11:26:18,692 INFO L226 Difference]: Without dead ends: 920 [2020-07-07 11:26:18,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-07-07 11:26:18,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-07-07 11:26:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-07 11:26:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1268 transitions. [2020-07-07 11:26:18,761 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1268 transitions. Word has length 126 [2020-07-07 11:26:18,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:18,762 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1268 transitions. [2020-07-07 11:26:18,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:26:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2020-07-07 11:26:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-07 11:26:18,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:18,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:18,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:26:18,976 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:18,977 INFO L82 PathProgramCache]: Analyzing trace with hash -544215550, now seen corresponding path program 1 times [2020-07-07 11:26:18,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:18,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589181533] [2020-07-07 11:26:18,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:19,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589181533] [2020-07-07 11:26:19,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816807345] [2020-07-07 11:26:19,336 INFO L94 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 [2020-07-07 11:26:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,424 INFO L264 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 11:26:19,437 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:19,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:19,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-07 11:26:19,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592366324] [2020-07-07 11:26:19,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:19,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:19,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:26:19,494 INFO L87 Difference]: Start difference. First operand 920 states and 1268 transitions. Second operand 5 states. [2020-07-07 11:26:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:20,328 INFO L93 Difference]: Finished difference Result 2755 states and 3986 transitions. [2020-07-07 11:26:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:26:20,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-07-07 11:26:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:20,341 INFO L225 Difference]: With dead ends: 2755 [2020-07-07 11:26:20,341 INFO L226 Difference]: Without dead ends: 1841 [2020-07-07 11:26:20,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:26:20,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2020-07-07 11:26:20,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2020-07-07 11:26:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2020-07-07 11:26:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2453 transitions. [2020-07-07 11:26:20,403 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2453 transitions. Word has length 142 [2020-07-07 11:26:20,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:20,404 INFO L479 AbstractCegarLoop]: Abstraction has 1813 states and 2453 transitions. [2020-07-07 11:26:20,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2453 transitions. [2020-07-07 11:26:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-07 11:26:20,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:20,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:20,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:20,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:20,625 INFO L82 PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times [2020-07-07 11:26:20,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:20,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659342993] [2020-07-07 11:26:20,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:26:20,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659342993] [2020-07-07 11:26:20,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244533318] [2020-07-07 11:26:20,793 INFO L94 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 [2020-07-07 11:26:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,878 INFO L264 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:20,882 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:20,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:20,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:26:20,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858754154] [2020-07-07 11:26:20,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:26:20,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:20,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:26:20,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:26:20,930 INFO L87 Difference]: Start difference. First operand 1813 states and 2453 transitions. Second operand 11 states. [2020-07-07 11:26:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:22,535 INFO L93 Difference]: Finished difference Result 4294 states and 6039 transitions. [2020-07-07 11:26:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:26:22,536 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2020-07-07 11:26:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:22,552 INFO L225 Difference]: With dead ends: 4294 [2020-07-07 11:26:22,553 INFO L226 Difference]: Without dead ends: 2487 [2020-07-07 11:26:22,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:26:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2020-07-07 11:26:22,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2439. [2020-07-07 11:26:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2020-07-07 11:26:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3293 transitions. [2020-07-07 11:26:22,650 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3293 transitions. Word has length 149 [2020-07-07 11:26:22,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:22,652 INFO L479 AbstractCegarLoop]: Abstraction has 2439 states and 3293 transitions. [2020-07-07 11:26:22,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:26:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3293 transitions. [2020-07-07 11:26:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 11:26:22,660 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:22,660 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:22,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:22,874 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:22,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:22,874 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-07-07 11:26:22,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:22,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589826108] [2020-07-07 11:26:22,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-07 11:26:23,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589826108] [2020-07-07 11:26:23,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506792403] [2020-07-07 11:26:23,131 INFO L94 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 [2020-07-07 11:26:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:23,238 INFO L264 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:23,241 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:26:23,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:23,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-07 11:26:23,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894969090] [2020-07-07 11:26:23,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:26:23,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:23,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:26:23,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:23,288 INFO L87 Difference]: Start difference. First operand 2439 states and 3293 transitions. Second operand 3 states. [2020-07-07 11:26:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:24,122 INFO L93 Difference]: Finished difference Result 5902 states and 7989 transitions. [2020-07-07 11:26:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:26:24,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-07 11:26:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:24,141 INFO L225 Difference]: With dead ends: 5902 [2020-07-07 11:26:24,141 INFO L226 Difference]: Without dead ends: 2139 [2020-07-07 11:26:24,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-07-07 11:26:24,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2135. [2020-07-07 11:26:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2020-07-07 11:26:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2743 transitions. [2020-07-07 11:26:24,252 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2743 transitions. Word has length 153 [2020-07-07 11:26:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:24,255 INFO L479 AbstractCegarLoop]: Abstraction has 2135 states and 2743 transitions. [2020-07-07 11:26:24,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:26:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2743 transitions. [2020-07-07 11:26:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 11:26:24,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:24,269 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:24,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:24,484 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:24,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:24,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1649183061, now seen corresponding path program 1 times [2020-07-07 11:26:24,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:24,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974587087] [2020-07-07 11:26:24,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 11:26:24,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974587087] [2020-07-07 11:26:24,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841429847] [2020-07-07 11:26:24,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:24,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:24,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-07 11:26:24,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:24,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-07 11:26:24,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132817659] [2020-07-07 11:26:24,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:26:24,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:24,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:26:24,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:26:24,932 INFO L87 Difference]: Start difference. First operand 2135 states and 2743 transitions. Second operand 12 states. [2020-07-07 11:26:25,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:25,671 INFO L93 Difference]: Finished difference Result 4112 states and 5271 transitions. [2020-07-07 11:26:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 11:26:25,671 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 173 [2020-07-07 11:26:25,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:25,680 INFO L225 Difference]: With dead ends: 4112 [2020-07-07 11:26:25,680 INFO L226 Difference]: Without dead ends: 1983 [2020-07-07 11:26:25,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:26:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2020-07-07 11:26:25,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1825. [2020-07-07 11:26:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2020-07-07 11:26:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2255 transitions. [2020-07-07 11:26:25,751 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2255 transitions. Word has length 173 [2020-07-07 11:26:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:25,751 INFO L479 AbstractCegarLoop]: Abstraction has 1825 states and 2255 transitions. [2020-07-07 11:26:25,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:26:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2255 transitions. [2020-07-07 11:26:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-07 11:26:25,758 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:25,758 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:25,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 11:26:25,973 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:25,974 INFO L82 PathProgramCache]: Analyzing trace with hash -817894210, now seen corresponding path program 1 times [2020-07-07 11:26:25,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:25,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314243316] [2020-07-07 11:26:25,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:26:26,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314243316] [2020-07-07 11:26:26,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488166370] [2020-07-07 11:26:26,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:26,283 INFO L264 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 11:26:26,286 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-07 11:26:26,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:26,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2020-07-07 11:26:26,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706739680] [2020-07-07 11:26:26,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:26,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:26,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:26,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:26:26,342 INFO L87 Difference]: Start difference. First operand 1825 states and 2255 transitions. Second operand 5 states. [2020-07-07 11:26:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:27,067 INFO L93 Difference]: Finished difference Result 4418 states and 5522 transitions. [2020-07-07 11:26:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:26:27,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-07-07 11:26:27,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:27,080 INFO L225 Difference]: With dead ends: 4418 [2020-07-07 11:26:27,080 INFO L226 Difference]: Without dead ends: 2599 [2020-07-07 11:26:27,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-07 11:26:27,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2599 states. [2020-07-07 11:26:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2599 to 2289. [2020-07-07 11:26:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2020-07-07 11:26:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2779 transitions. [2020-07-07 11:26:27,140 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2779 transitions. Word has length 178 [2020-07-07 11:26:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:27,140 INFO L479 AbstractCegarLoop]: Abstraction has 2289 states and 2779 transitions. [2020-07-07 11:26:27,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2779 transitions. [2020-07-07 11:26:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-07 11:26:27,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:27,147 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:27,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:27,361 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:27,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:27,362 INFO L82 PathProgramCache]: Analyzing trace with hash -262886545, now seen corresponding path program 1 times [2020-07-07 11:26:27,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:27,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024067019] [2020-07-07 11:26:27,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:26:27,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024067019] [2020-07-07 11:26:27,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724630140] [2020-07-07 11:26:27,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:27,673 INFO L264 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:27,677 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-07 11:26:27,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:27,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:26:27,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302183178] [2020-07-07 11:26:27,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:26:27,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:26:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:26:27,740 INFO L87 Difference]: Start difference. First operand 2289 states and 2779 transitions. Second operand 11 states. [2020-07-07 11:26:30,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:30,552 INFO L93 Difference]: Finished difference Result 5966 states and 7337 transitions. [2020-07-07 11:26:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-07 11:26:30,553 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2020-07-07 11:26:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:30,572 INFO L225 Difference]: With dead ends: 5966 [2020-07-07 11:26:30,572 INFO L226 Difference]: Without dead ends: 3063 [2020-07-07 11:26:30,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 11:26:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3063 states. [2020-07-07 11:26:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3063 to 1515. [2020-07-07 11:26:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-07 11:26:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1630 transitions. [2020-07-07 11:26:30,666 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1630 transitions. Word has length 187 [2020-07-07 11:26:30,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:30,666 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1630 transitions. [2020-07-07 11:26:30,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:26:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1630 transitions. [2020-07-07 11:26:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-07 11:26:30,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:30,675 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:30,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:30,891 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:30,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1214871657, now seen corresponding path program 1 times [2020-07-07 11:26:30,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:30,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984210424] [2020-07-07 11:26:30,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 11:26:31,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984210424] [2020-07-07 11:26:31,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91678400] [2020-07-07 11:26:31,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:31,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:26:31,334 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-07 11:26:31,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:31,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:26:31,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38324692] [2020-07-07 11:26:31,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:26:31,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:31,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:26:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:26:31,427 INFO L87 Difference]: Start difference. First operand 1515 states and 1630 transitions. Second operand 9 states. [2020-07-07 11:26:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:32,890 INFO L93 Difference]: Finished difference Result 3171 states and 3420 transitions. [2020-07-07 11:26:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:26:32,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2020-07-07 11:26:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:32,891 INFO L225 Difference]: With dead ends: 3171 [2020-07-07 11:26:32,891 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:26:32,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:26:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:26:32,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:26:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:26:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:26:32,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2020-07-07 11:26:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:32,899 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:26:32,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:26:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:26:32,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:26:33,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 11:26:33,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:26:33,509 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 141 [2020-07-07 11:26:33,689 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 141 [2020-07-07 11:26:34,507 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 55 [2020-07-07 11:26:34,996 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2020-07-07 11:26:35,440 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2020-07-07 11:26:35,444 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:26:35,444 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:26:35,444 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:26:35,445 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,445 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,445 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,445 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,445 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,446 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:26:35,446 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:26:35,446 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:26:35,446 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:26:35,446 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:26:35,447 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:26:35,448 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:26:35,449 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,450 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:26:35,451 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,452 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:26:35,453 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:26:35,454 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:26:35,455 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,456 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:26:35,457 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,458 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:26:35,459 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:26:35,460 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,461 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,462 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,462 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 1 ~a25~0)) (.cse3 (= 1 |old(~a25~0)|)) (.cse15 (= 8 ~a17~0)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse1 (and .cse9 .cse10 .cse11 .cse12 .cse16)) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse5 (and .cse9 .cse11 .cse12 .cse15 .cse16)) (.cse7 (= 1 |old(~a11~0)|)) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse8 (not .cse3)) (.cse14 (and .cse9 .cse11 .cse12 .cse15 .cse13))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (<= |old(~a28~0)| 9)) .cse5) (or .cse6 .cse1 .cse2) (or .cse6 .cse4 .cse0 .cse7 .cse5) (or .cse6 .cse4 .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13)) (or .cse4 .cse0 .cse7 .cse8 .cse14 (not (<= 10 |old(~a28~0)|))) (or .cse6 .cse4 .cse0 .cse8 .cse14)))) [2020-07-07 11:26:35,462 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,462 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,462 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,462 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:26:35,463 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,464 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:26:35,465 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,466 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:26:35,467 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:26:35,468 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:26:35,469 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (= 8 ~a17~0) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-07 11:26:35,469 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:26:35,469 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:26:35,470 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-07 11:26:35,470 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse1 (not (= 1 ~a11~0))) (.cse0 (= 1 ~a19~0)) (.cse5 (<= ~a28~0 10)) (.cse2 (= 8 ~a17~0)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse4) (and .cse5 (<= 10 ~a28~0) .cse1 .cse2 .cse3) (and .cse5 .cse4) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (<= |old(~a11~0)| 0)) (and (<= ~a28~0 9) .cse2 (not .cse3)))) [2020-07-07 11:26:35,470 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:26:35,470 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:26:35,470 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse1 (not (= 1 ~a11~0))) (.cse0 (= 1 ~a19~0)) (.cse5 (<= ~a28~0 10)) (.cse2 (= 8 ~a17~0)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse4) (and .cse5 (<= 10 ~a28~0) .cse1 .cse2 .cse3) (and .cse5 .cse4) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (<= |old(~a11~0)| 0)) (and (<= ~a28~0 9) .cse2 (not .cse3)))) [2020-07-07 11:26:35,470 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:26:35,471 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:26:35,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:26:35 BoogieIcfgContainer [2020-07-07 11:26:35,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:26:35,493 INFO L168 Benchmark]: Toolchain (without parser) took 23108.60 ms. Allocated memory was 138.4 MB in the beginning and 546.3 MB in the end (delta: 407.9 MB). Free memory was 100.4 MB in the beginning and 152.8 MB in the end (delta: -52.5 MB). Peak memory consumption was 422.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,494 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.51 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 170.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,495 INFO L168 Benchmark]: Boogie Preprocessor took 99.88 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,496 INFO L168 Benchmark]: RCFGBuilder took 1110.22 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 180.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,497 INFO L168 Benchmark]: TraceAbstraction took 21172.81 ms. Allocated memory was 237.5 MB in the beginning and 546.3 MB in the end (delta: 308.8 MB). Free memory was 180.5 MB in the beginning and 152.9 MB in the end (delta: 27.6 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:35,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.51 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 170.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.88 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1110.22 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 180.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21172.81 ms. Allocated memory was 237.5 MB in the beginning and 546.3 MB in the end (delta: 308.8 MB). Free memory was 180.5 MB in the beginning and 152.9 MB in the end (delta: 27.6 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a19)) || 1 == \old(a25)) || !(8 == \old(a17))) || (((1 == a19 && !(1 == a11)) && 8 == a17) && 1 == a25)) || !(\old(a28) <= 7)) || (1 == a19 && a17 <= 7)) || ((((a28 <= 10 && 10 <= a28) && !(1 == a11)) && 8 == a17) && 1 == a25)) || (a28 <= 10 && a17 <= 7)) || (((1 == a19 && a28 <= 10) && !(1 == a11)) && 8 == a17)) || (((1 == a19 && a28 <= 10) && 8 == a17) && 1 == a25)) || !(\old(a11) <= 0)) || ((a28 <= 9 && 8 == a17) && !(1 == a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 5623 SDslu, 460 SDs, 0 SdLazy, 7377 SolverSat, 1675 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1473 GetRequests, 1363 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred 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, 9 MinimizatonAttempts, 2103 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 170 NumberOfFragments, 524 HoareAnnotationTreeSize, 120 FomulaSimplifications, 36750 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12717 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2714 NumberOfCodeBlocks, 2714 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2697 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326215 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3376 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 857/968 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...