/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:05:03,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:05:03,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:05:04,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:05:04,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:05:04,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:05:04,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:05:04,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:05:04,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:05:04,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:05:04,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:05:04,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:05:04,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:05:04,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:05:04,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:05:04,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:05:04,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:05:04,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:05:04,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:05:04,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:05:04,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:05:04,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:05:04,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:05:04,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:05:04,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:05:04,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:05:04,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:05:04,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:05:04,058 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 [2020-07-17 12:05:04,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:05:04,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:05:04,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:05:04,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:05:04,087 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:05:04,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:05:04,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:05:04,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:05:04,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:05:04,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:05:04,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:05:04,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:05:04,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:05:04,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:05:04,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:05:04,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:05:04,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:05:04,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:05:04,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:05:04,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:05:04,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:05:04,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:05:04,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:05:04,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:05:04,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:05:04,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:05:04,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:05:04,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:05:04,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:05:04,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:05:04,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:05:04,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:05:04,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:05:04,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:05:04,395 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:05:04,396 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36.c [2020-07-17 12:05:04,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9464b1aa6/ebf32f53865f42c1b68bef9a5e4226af/FLAG65331f35e [2020-07-17 12:05:05,013 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:05:05,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label36.c [2020-07-17 12:05:05,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9464b1aa6/ebf32f53865f42c1b68bef9a5e4226af/FLAG65331f35e [2020-07-17 12:05:05,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9464b1aa6/ebf32f53865f42c1b68bef9a5e4226af [2020-07-17 12:05:05,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:05:05,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:05:05,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:05:05,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:05:05,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:05:05,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:05:05" (1/1) ... [2020-07-17 12:05:05,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565a9679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:05, skipping insertion in model container [2020-07-17 12:05:05,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:05:05" (1/1) ... [2020-07-17 12:05:05,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:05:05,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:05:05,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:05:05,909 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:05:06,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:05:06,033 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:05:06,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06 WrapperNode [2020-07-17 12:05:06,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:05:06,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:05:06,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:05:06,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:05:06,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (1/1) ... [2020-07-17 12:05:06,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:05:06,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:05:06,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:05:06,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:05:06,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (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 [2020-07-17 12:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:05:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:05:07,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:05:07,366 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:05:07,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:07 BoogieIcfgContainer [2020-07-17 12:05:07,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:05:07,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:05:07,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:05:07,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:05:07,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:05:05" (1/3) ... [2020-07-17 12:05:07,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7d082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:07, skipping insertion in model container [2020-07-17 12:05:07,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:06" (2/3) ... [2020-07-17 12:05:07,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7d082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:07, skipping insertion in model container [2020-07-17 12:05:07,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:07" (3/3) ... [2020-07-17 12:05:07,389 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label36.c [2020-07-17 12:05:07,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:05:07,410 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:05:07,424 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:05:07,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:05:07,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:05:07,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:05:07,453 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:05:07,453 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:05:07,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:05:07,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:05:07,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:05:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-17 12:05:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-17 12:05:07,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:07,485 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] [2020-07-17 12:05:07,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:07,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash 92920350, now seen corresponding path program 1 times [2020-07-17 12:05:07,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:07,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373899408] [2020-07-17 12:05:07,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:08,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373899408] [2020-07-17 12:05:08,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:08,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:05:08,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749594526] [2020-07-17 12:05:08,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:05:08,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:08,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:05:08,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:05:08,105 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-17 12:05:09,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:09,983 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-07-17 12:05:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:05:09,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-17 12:05:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:10,004 INFO L225 Difference]: With dead ends: 698 [2020-07-17 12:05:10,005 INFO L226 Difference]: Without dead ends: 423 [2020-07-17 12:05:10,012 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 [2020-07-17 12:05:10,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-17 12:05:10,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-07-17 12:05:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-17 12:05:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-07-17 12:05:10,099 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 108 [2020-07-17 12:05:10,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:10,100 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-07-17 12:05:10,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:05:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-07-17 12:05:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-17 12:05:10,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:10,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:10,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:05:10,107 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:10,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:10,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1820777163, now seen corresponding path program 1 times [2020-07-17 12:05:10,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:10,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629345188] [2020-07-17 12:05:10,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:10,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629345188] [2020-07-17 12:05:10,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:10,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:05:10,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255938996] [2020-07-17 12:05:10,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:05:10,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:10,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:05:10,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:10,365 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-07-17 12:05:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:11,765 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-07-17 12:05:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:05:11,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-07-17 12:05:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:11,773 INFO L225 Difference]: With dead ends: 1130 [2020-07-17 12:05:11,773 INFO L226 Difference]: Without dead ends: 719 [2020-07-17 12:05:11,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:05:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-07-17 12:05:11,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-07-17 12:05:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-17 12:05:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2020-07-17 12:05:11,834 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 118 [2020-07-17 12:05:11,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:11,835 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2020-07-17 12:05:11,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:05:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2020-07-17 12:05:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-17 12:05:11,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:11,840 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:11,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:05:11,841 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:11,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:11,841 INFO L82 PathProgramCache]: Analyzing trace with hash 871696247, now seen corresponding path program 1 times [2020-07-17 12:05:11,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:11,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603586930] [2020-07-17 12:05:11,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:12,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603586930] [2020-07-17 12:05:12,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628668355] [2020-07-17 12:05:12,094 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 [2020-07-17 12:05:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:12,216 INFO L264 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:12,227 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:12,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:12,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-17 12:05:12,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775164103] [2020-07-17 12:05:12,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:12,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:12,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:12,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:05:12,301 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 3 states. [2020-07-17 12:05:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:12,893 INFO L93 Difference]: Finished difference Result 1799 states and 2551 transitions. [2020-07-17 12:05:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:12,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-07-17 12:05:12,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:12,901 INFO L225 Difference]: With dead ends: 1799 [2020-07-17 12:05:12,901 INFO L226 Difference]: Without dead ends: 1108 [2020-07-17 12:05:12,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:05:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-07-17 12:05:12,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-07-17 12:05:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-07-17 12:05:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1506 transitions. [2020-07-17 12:05:12,963 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1506 transitions. Word has length 119 [2020-07-17 12:05:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:12,964 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 1506 transitions. [2020-07-17 12:05:12,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1506 transitions. [2020-07-17 12:05:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 12:05:12,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:12,971 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 12:05:13,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 12:05:13,186 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1435717905, now seen corresponding path program 1 times [2020-07-17 12:05:13,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:13,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277829406] [2020-07-17 12:05:13,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:13,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277829406] [2020-07-17 12:05:13,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458571241] [2020-07-17 12:05:13,380 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 [2020-07-17 12:05:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:13,552 INFO L264 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:13,573 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:13,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:13,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-17 12:05:13,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109788328] [2020-07-17 12:05:13,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:13,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:13,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:05:13,621 INFO L87 Difference]: Start difference. First operand 1108 states and 1506 transitions. Second operand 3 states. [2020-07-17 12:05:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:14,296 INFO L93 Difference]: Finished difference Result 2484 states and 3417 transitions. [2020-07-17 12:05:14,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:14,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-07-17 12:05:14,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:14,309 INFO L225 Difference]: With dead ends: 2484 [2020-07-17 12:05:14,310 INFO L226 Difference]: Without dead ends: 1382 [2020-07-17 12:05:14,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:05:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-07-17 12:05:14,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1382. [2020-07-17 12:05:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2020-07-17 12:05:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1805 transitions. [2020-07-17 12:05:14,372 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1805 transitions. Word has length 123 [2020-07-17 12:05:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:14,373 INFO L479 AbstractCegarLoop]: Abstraction has 1382 states and 1805 transitions. [2020-07-17 12:05:14,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1805 transitions. [2020-07-17 12:05:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 12:05:14,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:14,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:14,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:14,594 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:14,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:14,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1369547674, now seen corresponding path program 1 times [2020-07-17 12:05:14,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:14,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654326386] [2020-07-17 12:05:14,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:05:14,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654326386] [2020-07-17 12:05:14,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992589257] [2020-07-17 12:05:14,789 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 [2020-07-17 12:05:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,894 INFO L264 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:14,905 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 12:05:14,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:14,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:05:14,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426207028] [2020-07-17 12:05:14,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:14,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:14,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:14,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:14,952 INFO L87 Difference]: Start difference. First operand 1382 states and 1805 transitions. Second operand 3 states. [2020-07-17 12:05:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:15,495 INFO L93 Difference]: Finished difference Result 3713 states and 4956 transitions. [2020-07-17 12:05:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:15,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 12:05:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:15,509 INFO L225 Difference]: With dead ends: 3713 [2020-07-17 12:05:15,510 INFO L226 Difference]: Without dead ends: 2337 [2020-07-17 12:05:15,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2020-07-17 12:05:15,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2202. [2020-07-17 12:05:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2020-07-17 12:05:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2892 transitions. [2020-07-17 12:05:15,589 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2892 transitions. Word has length 142 [2020-07-17 12:05:15,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:15,589 INFO L479 AbstractCegarLoop]: Abstraction has 2202 states and 2892 transitions. [2020-07-17 12:05:15,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2892 transitions. [2020-07-17 12:05:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-17 12:05:15,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:15,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:05:15,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:15,814 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:15,815 INFO L82 PathProgramCache]: Analyzing trace with hash -70857782, now seen corresponding path program 1 times [2020-07-17 12:05:15,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:15,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235847510] [2020-07-17 12:05:15,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 76 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-17 12:05:16,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235847510] [2020-07-17 12:05:16,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269459234] [2020-07-17 12:05:16,164 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 [2020-07-17 12:05:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:16,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:16,271 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 12:05:16,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:16,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-17 12:05:16,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595651262] [2020-07-17 12:05:16,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:16,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:16,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:16,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:16,318 INFO L87 Difference]: Start difference. First operand 2202 states and 2892 transitions. Second operand 3 states. [2020-07-17 12:05:16,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:16,873 INFO L93 Difference]: Finished difference Result 4396 states and 5799 transitions. [2020-07-17 12:05:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:16,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-07-17 12:05:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:16,875 INFO L225 Difference]: With dead ends: 4396 [2020-07-17 12:05:16,876 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:05:16,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:16,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:05:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:05:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:05:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:05:16,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-17 12:05:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:16,885 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:05:16,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:05:16,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:05:17,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:17,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:05:17,621 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2020-07-17 12:05:17,735 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:17,736 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)|)) [2020-07-17 12:05:17,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:17,736 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-17 12:05:17,736 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-17 12:05:17,736 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,736 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-17 12:05:17,737 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-17 12:05:17,738 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-17 12:05:17,740 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-17 12:05:17,741 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-17 12:05:17,742 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-17 12:05:17,743 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,744 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,744 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,744 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,744 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,744 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-17 12:05:17,745 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,746 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,746 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-17 12:05:17,747 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 12:05:17,748 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-17 12:05:17,749 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,750 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,750 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,750 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,752 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,753 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-17 12:05:17,754 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-17 12:05:17,754 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-17 12:05:17,755 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,756 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,757 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,759 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-17 12:05:17,759 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-17 12:05:17,760 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-17 12:05:17,761 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-17 12:05:17,761 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-17 12:05:17,761 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-17 12:05:17,761 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-17 12:05:17,761 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-17 12:05:17,765 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-17 12:05:17,766 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,767 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-17 12:05:17,768 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (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 (not (<= 15 |old(~a8~0)|)) .cse0) (or (not (<= |old(~a21~0)| 0)) .cse0) (or (= 13 |old(~a8~0)|) .cse0 (not (<= |old(~a17~0)| 0))) (or (not (<= |old(~a16~0)| 4)) .cse0) (or .cse0 (not (<= 6 |old(~a16~0)|))))) [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,769 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-17 12:05:17,770 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,771 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-17 12:05:17,772 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,773 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-17 12:05:17,774 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-17 12:05:17,775 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-17 12:05:17,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:17,775 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-07-17 12:05:17,775 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:05:17,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:17,775 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (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)|))) [2020-07-17 12:05:17,775 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:17,775 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (<= 6 ~a16~0) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (and (<= ~a17~0 0) (not (= 13 ~a8~0))) (<= ~a16~0 4)) [2020-07-17 12:05:17,776 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-17 12:05:17,776 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-17 12:05:17,776 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (<= 6 ~a16~0) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (and (<= ~a17~0 0) (not (= 13 ~a8~0))) (<= ~a16~0 4)) [2020-07-17 12:05:17,776 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:17,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:05:17 BoogieIcfgContainer [2020-07-17 12:05:17,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:05:17,805 INFO L168 Benchmark]: Toolchain (without parser) took 12520.95 ms. Allocated memory was 145.2 MB in the beginning and 407.9 MB in the end (delta: 262.7 MB). Free memory was 100.3 MB in the beginning and 214.4 MB in the end (delta: -114.0 MB). Peak memory consumption was 148.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,807 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.20 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 99.9 MB in the beginning and 171.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,810 INFO L168 Benchmark]: Boogie Preprocessor took 123.75 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,811 INFO L168 Benchmark]: RCFGBuilder took 1217.98 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.3 MB in the beginning and 181.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,814 INFO L168 Benchmark]: TraceAbstraction took 10417.28 ms. Allocated memory was 238.6 MB in the beginning and 407.9 MB in the end (delta: 169.3 MB). Free memory was 179.8 MB in the beginning and 214.4 MB in the end (delta: -34.5 MB). Peak memory consumption was 134.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:17,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.20 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 99.9 MB in the beginning and 171.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.75 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.98 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.3 MB in the beginning and 181.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10417.28 ms. Allocated memory was 238.6 MB in the beginning and 407.9 MB in the end (delta: 169.3 MB). Free memory was 179.8 MB in the beginning and 214.4 MB in the end (delta: -34.5 MB). Peak memory consumption was 134.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 482]: 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: (((((!(15 <= \old(a8)) || a21 <= 0) || 6 <= a16) || !(\old(a16) <= 5)) || 15 <= a8) || (a17 <= 0 && !(13 == a8))) || a16 <= 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 897 SDtfs, 1187 SDslu, 129 SDs, 0 SdLazy, 3065 SolverSat, 626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 601 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2202occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 65 PreInvPairs, 97 NumberOfFragments, 276 HoareAnnotationTreeSize, 65 FomulaSimplifications, 2819 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1216 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1384 NumberOfCodeBlocks, 1384 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 571523 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1618 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 302/317 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...