/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/Problem01_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:22:46,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:22:46,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:22:46,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-07 11:22:47,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:22:47,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:22:47,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:22:47,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:22:47,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:22:47,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:22:47,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:22:47,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:22:47,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:22:47,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:22:47,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:22:47,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:22:47,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:22:47,059 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 11:22:47,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:22:47,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:22:47,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:22:47,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:22:47,074 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:22:47,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:22:47,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:22:47,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:22:47,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:22:47,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:22:47,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:22:47,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:22:47,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:22:47,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:22:47,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:22:47,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:22:47,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:22:47,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:22:47,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:22:47,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:22:47,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:22:47,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:22:47,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:22:47,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:22:47,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:22:47,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:22:47,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:22:47,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:22:47,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:22:47,373 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:22:47,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2020-07-07 11:22:47,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa306b529/c82b325625024e89a0e35a015ecb818b/FLAGac0ae2013 [2020-07-07 11:22:47,964 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:22:47,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label31.c [2020-07-07 11:22:47,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa306b529/c82b325625024e89a0e35a015ecb818b/FLAGac0ae2013 [2020-07-07 11:22:48,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa306b529/c82b325625024e89a0e35a015ecb818b [2020-07-07 11:22:48,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:22:48,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:22:48,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:48,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:22:48,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:22:48,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a539b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48, skipping insertion in model container [2020-07-07 11:22:48,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:22:48,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:22:48,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:48,947 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:22:49,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:49,102 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:22:49,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49 WrapperNode [2020-07-07 11:22:49,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:49,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:22:49,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:22:49,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:22:49,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (1/1) ... [2020-07-07 11:22:49,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:22:49,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:22:49,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:22:49,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:22:49,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (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 11:22:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:22:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:22:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:22:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:22:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:22:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:22:50,392 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:22:50,392 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:22:50,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:50 BoogieIcfgContainer [2020-07-07 11:22:50,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:22:50,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:22:50,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:22:50,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:22:50,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:22:48" (1/3) ... [2020-07-07 11:22:50,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fabd8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:50, skipping insertion in model container [2020-07-07 11:22:50,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:49" (2/3) ... [2020-07-07 11:22:50,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fabd8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:50, skipping insertion in model container [2020-07-07 11:22:50,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:50" (3/3) ... [2020-07-07 11:22:50,406 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label31.c [2020-07-07 11:22:50,415 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:22:50,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:22:50,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:22:50,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:22:50,460 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:22:50,460 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:22:50,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:22:50,460 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:22:50,461 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:22:50,461 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:22:50,461 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:22:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-07 11:22:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 11:22:50,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:50,497 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] [2020-07-07 11:22:50,498 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:50,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1379021910, now seen corresponding path program 1 times [2020-07-07 11:22:50,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:50,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261870891] [2020-07-07 11:22:50,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:51,125 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 11:22:51,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261870891] [2020-07-07 11:22:51,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:51,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:22:51,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290724204] [2020-07-07 11:22:51,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:22:51,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:51,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:22:51,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:22:51,158 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-07 11:22:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:52,617 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-07 11:22:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:22:52,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-07 11:22:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:52,634 INFO L225 Difference]: With dead ends: 557 [2020-07-07 11:22:52,634 INFO L226 Difference]: Without dead ends: 286 [2020-07-07 11:22:52,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-07 11:22:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-07 11:22:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 11:22:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-07-07 11:22:52,712 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 98 [2020-07-07 11:22:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:52,713 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-07-07 11:22:52,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:22:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-07-07 11:22:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 11:22:52,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:52,719 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:22:52,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:22:52,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:52,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:52,720 INFO L82 PathProgramCache]: Analyzing trace with hash 12004915, now seen corresponding path program 1 times [2020-07-07 11:22:52,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:52,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562735314] [2020-07-07 11:22:52,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:52,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562735314] [2020-07-07 11:22:52,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:52,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 11:22:52,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850801382] [2020-07-07 11:22:52,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 11:22:52,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 11:22:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:22:52,925 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-07-07 11:22:54,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:54,790 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-07-07 11:22:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 11:22:54,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-07 11:22:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:54,797 INFO L225 Difference]: With dead ends: 987 [2020-07-07 11:22:54,797 INFO L226 Difference]: Without dead ends: 713 [2020-07-07 11:22:54,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:22:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-07-07 11:22:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-07-07 11:22:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-07-07 11:22:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 979 transitions. [2020-07-07 11:22:54,865 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 979 transitions. Word has length 107 [2020-07-07 11:22:54,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:54,865 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 979 transitions. [2020-07-07 11:22:54,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 11:22:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 979 transitions. [2020-07-07 11:22:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-07 11:22:54,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:54,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-07-07 11:22:54,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:22:54,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:54,872 INFO L82 PathProgramCache]: Analyzing trace with hash -101420614, now seen corresponding path program 1 times [2020-07-07 11:22:54,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:54,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353764193] [2020-07-07 11:22:54,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:55,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353764193] [2020-07-07 11:22:55,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144631699] [2020-07-07 11:22:55,037 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 11:22:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,135 INFO L264 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:55,146 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:22:55,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:55,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-07 11:22:55,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750513311] [2020-07-07 11:22:55,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:55,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:55,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:55,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:55,227 INFO L87 Difference]: Start difference. First operand 699 states and 979 transitions. Second operand 3 states. [2020-07-07 11:22:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:55,839 INFO L93 Difference]: Finished difference Result 2079 states and 2987 transitions. [2020-07-07 11:22:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:55,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-07 11:22:55,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:55,850 INFO L225 Difference]: With dead ends: 2079 [2020-07-07 11:22:55,851 INFO L226 Difference]: Without dead ends: 1386 [2020-07-07 11:22:55,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2020-07-07 11:22:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1112. [2020-07-07 11:22:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-07-07 11:22:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1529 transitions. [2020-07-07 11:22:55,918 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1529 transitions. Word has length 118 [2020-07-07 11:22:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:55,919 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1529 transitions. [2020-07-07 11:22:55,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1529 transitions. [2020-07-07 11:22:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-07 11:22:55,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:55,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:56,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:22:56,139 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:56,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:56,140 INFO L82 PathProgramCache]: Analyzing trace with hash 909317577, now seen corresponding path program 1 times [2020-07-07 11:22:56,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:56,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110858073] [2020-07-07 11:22:56,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:56,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110858073] [2020-07-07 11:22:56,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:56,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:22:56,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140707538] [2020-07-07 11:22:56,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:22:56,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:56,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:22:56,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:56,358 INFO L87 Difference]: Start difference. First operand 1112 states and 1529 transitions. Second operand 9 states. [2020-07-07 11:22:57,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:57,627 INFO L93 Difference]: Finished difference Result 2937 states and 4172 transitions. [2020-07-07 11:22:57,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:22:57,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-07-07 11:22:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:57,641 INFO L225 Difference]: With dead ends: 2937 [2020-07-07 11:22:57,641 INFO L226 Difference]: Without dead ends: 1831 [2020-07-07 11:22:57,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:22:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2020-07-07 11:22:57,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1543. [2020-07-07 11:22:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-07 11:22:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2089 transitions. [2020-07-07 11:22:57,722 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2089 transitions. Word has length 126 [2020-07-07 11:22:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:57,723 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2089 transitions. [2020-07-07 11:22:57,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:22:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2089 transitions. [2020-07-07 11:22:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-07 11:22:57,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:57,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:57,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 11:22:57,732 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:57,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash 860421858, now seen corresponding path program 1 times [2020-07-07 11:22:57,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:57,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253237147] [2020-07-07 11:22:57,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:58,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253237147] [2020-07-07 11:22:58,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725516410] [2020-07-07 11:22:58,000 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 11:22:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,097 INFO L264 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:58,115 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:58,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:22:58,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:22:58,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346829294] [2020-07-07 11:22:58,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:22:58,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:22:58,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:22:58,186 INFO L87 Difference]: Start difference. First operand 1543 states and 2089 transitions. Second operand 11 states. [2020-07-07 11:22:58,448 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-07-07 11:23:03,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:03,603 INFO L93 Difference]: Finished difference Result 5809 states and 8608 transitions. [2020-07-07 11:23:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 11:23:03,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2020-07-07 11:23:03,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:03,630 INFO L225 Difference]: With dead ends: 5809 [2020-07-07 11:23:03,630 INFO L226 Difference]: Without dead ends: 4002 [2020-07-07 11:23:03,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2020-07-07 11:23:03,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2020-07-07 11:23:03,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 2649. [2020-07-07 11:23:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2649 states. [2020-07-07 11:23:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 3434 transitions. [2020-07-07 11:23:03,777 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 3434 transitions. Word has length 137 [2020-07-07 11:23:03,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:03,778 INFO L479 AbstractCegarLoop]: Abstraction has 2649 states and 3434 transitions. [2020-07-07 11:23:03,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:23:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3434 transitions. [2020-07-07 11:23:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-07 11:23:03,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:03,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:04,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:04,004 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:04,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:04,004 INFO L82 PathProgramCache]: Analyzing trace with hash -2126007202, now seen corresponding path program 1 times [2020-07-07 11:23:04,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:04,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114372829] [2020-07-07 11:23:04,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:23:04,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114372829] [2020-07-07 11:23:04,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66678086] [2020-07-07 11:23:04,302 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 11:23:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:23:04,450 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 11:23:04,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:23:04,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-07 11:23:04,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308914985] [2020-07-07 11:23:04,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:23:04,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:04,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:23:04,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:04,529 INFO L87 Difference]: Start difference. First operand 2649 states and 3434 transitions. Second operand 3 states. [2020-07-07 11:23:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:05,042 INFO L93 Difference]: Finished difference Result 4065 states and 5208 transitions. [2020-07-07 11:23:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:23:05,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-07 11:23:05,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:05,044 INFO L225 Difference]: With dead ends: 4065 [2020-07-07 11:23:05,044 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:23:05,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:23:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:23:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:23:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:23:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:23:05,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2020-07-07 11:23:05,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:05,057 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:23:05,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:23:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:23:05,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:23:05,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:05,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:23:05,846 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2020-07-07 11:23:06,015 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 56 [2020-07-07 11:23:06,593 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-07 11:23:06,788 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-07 11:23:06,946 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-07 11:23:06,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:06,950 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:23:06,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:06,950 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-07 11:23:06,950 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-07 11:23:06,951 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-07 11:23:06,952 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-07 11:23:06,954 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,954 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,954 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,954 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 11:23:06,955 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-07 11:23:06,956 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,957 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,958 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,958 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 11:23:06,959 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 11:23:06,960 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 11:23:06,960 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-07 11:23:06,960 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,960 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,961 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,961 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,961 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,961 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-07 11:23:06,963 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,964 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,965 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,965 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-07 11:23:06,965 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-07 11:23:06,968 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-07 11:23:06,968 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 11:23:06,968 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-07 11:23:06,968 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,969 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,971 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,973 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-07 11:23:06,973 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,973 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-07 11:23:06,973 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-07 11:23:06,974 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,975 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,976 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-07 11:23:06,976 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-07 11:23:06,977 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 11:23:06,977 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-07 11:23:06,978 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 11:23:06,978 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 11:23:06,978 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-07 11:23:06,979 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-07 11:23:06,979 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,979 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,979 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,980 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,980 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,980 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-07 11:23:06,980 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-07 11:23:06,980 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-07 11:23:06,981 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-07 11:23:06,982 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a7~0)| 0))) (.cse3 (not (<= |old(~a16~0)| 5))) (.cse0 (not (<= 15 |old(~a8~0)|))) (.cse2 (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or (not (<= |old(~a8~0)| 13)) .cse2) (or (let ((.cse4 (not (<= |old(~a17~0)| 0)))) (and (or .cse3 .cse4) (or .cse0 .cse4))) (not (= 1 |old(~a7~0)|)) .cse2))) [2020-07-07 11:23:06,982 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-07 11:23:06,982 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,982 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,982 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,982 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 11:23:06,983 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,984 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 11:23:06,985 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,986 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 11:23:06,987 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-07 11:23:06,988 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:23:06,988 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:06,988 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-07 11:23:06,989 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:06,989 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse1 (<= ~a16~0 5))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and (= 1 ~a7~0) (let ((.cse0 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse0 .cse2)))) (and .cse3 .cse2) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse1) (not (<= 5 |old(~a16~0)|)))) [2020-07-07 11:23:06,989 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-07 11:23:06,989 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:23:06,989 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse1 (<= ~a16~0 5))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and (= 1 ~a7~0) (let ((.cse0 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse0 .cse2)))) (and .cse3 .cse2) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse1) (not (<= 5 |old(~a16~0)|)))) [2020-07-07 11:23:06,989 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:07,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:23:07 BoogieIcfgContainer [2020-07-07 11:23:07,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:23:07,023 INFO L168 Benchmark]: Toolchain (without parser) took 18721.91 ms. Allocated memory was 138.9 MB in the beginning and 447.2 MB in the end (delta: 308.3 MB). Free memory was 100.4 MB in the beginning and 213.3 MB in the end (delta: -113.0 MB). Peak memory consumption was 323.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,024 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.78 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 169.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,026 INFO L168 Benchmark]: Boogie Preprocessor took 112.11 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,027 INFO L168 Benchmark]: RCFGBuilder took 1182.02 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 164.6 MB in the beginning and 178.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,030 INFO L168 Benchmark]: TraceAbstraction took 16618.12 ms. Allocated memory was 238.6 MB in the beginning and 447.2 MB in the end (delta: 208.7 MB). Free memory was 178.5 MB in the beginning and 213.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 301.6 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:07,041 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 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.78 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 169.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.11 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1182.02 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 164.6 MB in the beginning and 178.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16618.12 ms. Allocated memory was 238.6 MB in the beginning and 447.2 MB in the end (delta: 208.7 MB). Free memory was 178.5 MB in the beginning and 213.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 301.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 452]: 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: 583]: Loop Invariant Derived loop invariant: ((((((a8 <= 13 || !(15 <= \old(a8))) || (1 == a7 && ((a17 <= 0 && a16 <= 5) || (a17 <= 0 && 15 <= a8)))) || (a7 <= 0 && 15 <= a8)) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || (a7 <= 0 && a16 <= 5)) || !(5 <= \old(a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 3013 SDslu, 292 SDs, 0 SdLazy, 6596 SolverSat, 1189 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 502 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2649occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 1935 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 116 NumberOfFragments, 338 HoareAnnotationTreeSize, 66 FomulaSimplifications, 38255 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3176 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1119 NumberOfCodeBlocks, 1119 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 348504 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1266 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 249/257 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...