/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:23:04,338 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-19 23:23:04,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 23:23:04,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 23:23:04,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 23:23:04,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 23:23:04,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 23:23:04,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 23:23:04,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 23:23:04,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 23:23:04,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:23:04,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:23:04,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:23:04,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:23:04,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:23:04,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:23:04,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:23:04,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:23:04,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:23:04,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:23:04,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:23:04,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:23:04,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:23:04,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:23:04,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:23:04,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:23:04,427 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 [2020-07-19 23:23:04,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:23:04,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:23:04,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:23:04,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:23:04,468 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:23:04,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:23:04,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:23:04,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:23:04,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:23:04,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:23:04,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:23:04,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:23:04,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:23:04,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:23:04,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:23:04,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:23:04,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:23:04,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:23:04,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:23:04,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:23:04,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:23:04,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:23:04,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:23:04,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:23:04,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:23:04,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:23:04,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:23:04,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:23:04,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:23:04,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:23:04,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:23:04,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:23:04,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:23:04,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:23:04,782 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:23:04,783 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-19 23:23:04,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef26c5c2/41988548d9b742cc9cff75c586ac9237/FLAGac6ce0066 [2020-07-19 23:23:05,382 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:23:05,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-19 23:23:05,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef26c5c2/41988548d9b742cc9cff75c586ac9237/FLAGac6ce0066 [2020-07-19 23:23:05,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef26c5c2/41988548d9b742cc9cff75c586ac9237 [2020-07-19 23:23:05,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:23:05,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:23:05,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:23:05,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:23:05,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:23:05,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:23:05" (1/1) ... [2020-07-19 23:23:05,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab40a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:05, skipping insertion in model container [2020-07-19 23:23:05,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:23:05" (1/1) ... [2020-07-19 23:23:05,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:23:05,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:23:06,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:23:06,369 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:23:06,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:23:06,514 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:23:06,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06 WrapperNode [2020-07-19 23:23:06,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:23:06,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:23:06,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:23:06,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:23:06,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (1/1) ... [2020-07-19 23:23:06,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:23:06,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:23:06,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:23:06,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:23:06,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (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 [2020-07-19 23:23:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:23:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:23:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:23:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:23:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:23:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:23:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:23:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:23:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:23:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:23:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:23:07,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:23:07,860 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:23:07,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:23:07 BoogieIcfgContainer [2020-07-19 23:23:07,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:23:07,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:23:07,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:23:07,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:23:07,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:23:05" (1/3) ... [2020-07-19 23:23:07,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c7fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:23:07, skipping insertion in model container [2020-07-19 23:23:07,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:23:06" (2/3) ... [2020-07-19 23:23:07,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c7fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:23:07, skipping insertion in model container [2020-07-19 23:23:07,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:23:07" (3/3) ... [2020-07-19 23:23:07,875 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-07-19 23:23:07,886 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:23:07,895 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:23:07,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:23:07,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:23:07,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:23:07,937 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:23:07,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:23:07,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:23:07,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:23:07,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:23:07,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:23:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-19 23:23:07,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-19 23:23:07,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:07,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:23:07,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:07,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-07-19 23:23:07,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:07,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302639301] [2020-07-19 23:23:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:08,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302639301] [2020-07-19 23:23:08,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:23:08,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:23:08,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581798845] [2020-07-19 23:23:08,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:23:08,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:08,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:23:08,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:23:08,654 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-19 23:23:10,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:10,179 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-19 23:23:10,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 23:23:10,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-19 23:23:10,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:10,209 INFO L225 Difference]: With dead ends: 557 [2020-07-19 23:23:10,209 INFO L226 Difference]: Without dead ends: 286 [2020-07-19 23:23:10,221 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 [2020-07-19 23:23:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-19 23:23:10,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-19 23:23:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-19 23:23:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-19 23:23:10,316 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-07-19 23:23:10,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:10,317 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-19 23:23:10,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:23:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-19 23:23:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-19 23:23:10,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:10,324 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, 1] [2020-07-19 23:23:10,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:23:10,324 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:10,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-07-19 23:23:10,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:10,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655340753] [2020-07-19 23:23:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:10,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655340753] [2020-07-19 23:23:10,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:23:10,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:23:10,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456541765] [2020-07-19 23:23:10,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:23:10,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:10,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:23:10,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:23:10,511 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-19 23:23:11,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:11,981 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-19 23:23:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 23:23:11,983 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-07-19 23:23:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:11,988 INFO L225 Difference]: With dead ends: 713 [2020-07-19 23:23:11,988 INFO L226 Difference]: Without dead ends: 439 [2020-07-19 23:23:11,990 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 [2020-07-19 23:23:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-19 23:23:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-19 23:23:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-19 23:23:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-19 23:23:12,034 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-07-19 23:23:12,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:12,035 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-19 23:23:12,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:23:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-19 23:23:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-19 23:23:12,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:12,040 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, 1] [2020-07-19 23:23:12,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:23:12,041 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:12,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:12,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-07-19 23:23:12,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:12,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858213240] [2020-07-19 23:23:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:12,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858213240] [2020-07-19 23:23:12,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590478912] [2020-07-19 23:23:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@704411e7 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 [2020-07-19 23:23:12,644 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@704411e7 issued 4 check-sat command(s) [2020-07-19 23:23:12,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:12,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:12,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:12,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:23:12,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 23:23:12,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219870043] [2020-07-19 23:23:12,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:23:12,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:12,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:23:12,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:23:12,736 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-19 23:23:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:13,304 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-19 23:23:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:23:13,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-19 23:23:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:13,310 INFO L225 Difference]: With dead ends: 1247 [2020-07-19 23:23:13,311 INFO L226 Difference]: Without dead ends: 832 [2020-07-19 23:23:13,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:23:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-19 23:23:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-19 23:23:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-19 23:23:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-19 23:23:13,359 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-07-19 23:23:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:13,360 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-19 23:23:13,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:23:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-19 23:23:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-19 23:23:13,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:13,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:23:13,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 23:23:13,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:13,579 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-07-19 23:23:13,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:13,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527321532] [2020-07-19 23:23:13,580 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:13,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527321532] [2020-07-19 23:23:13,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105016550] [2020-07-19 23:23:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70674ef7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:13,955 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70674ef7 issued 4 check-sat command(s) [2020-07-19 23:23:13,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:13,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:14,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:23:14,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-19 23:23:14,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647195387] [2020-07-19 23:23:14,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:23:14,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:14,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:23:14,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:23:14,012 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-19 23:23:14,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:14,609 INFO L93 Difference]: Finished difference Result 2345 states and 3186 transitions. [2020-07-19 23:23:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:23:14,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-19 23:23:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:14,618 INFO L225 Difference]: With dead ends: 2345 [2020-07-19 23:23:14,618 INFO L226 Difference]: Without dead ends: 1519 [2020-07-19 23:23:14,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:23:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-07-19 23:23:14,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-07-19 23:23:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-07-19 23:23:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1968 transitions. [2020-07-19 23:23:14,694 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1968 transitions. Word has length 126 [2020-07-19 23:23:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:14,696 INFO L479 AbstractCegarLoop]: Abstraction has 1519 states and 1968 transitions. [2020-07-19 23:23:14,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:23:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1968 transitions. [2020-07-19 23:23:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-19 23:23:14,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:14,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:23:14,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:14,919 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:14,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-07-19 23:23:14,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:14,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737224081] [2020-07-19 23:23:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:23:15,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737224081] [2020-07-19 23:23:15,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462126236] [2020-07-19 23:23:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@590c4aa3 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 [2020-07-19 23:23:15,354 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@590c4aa3 issued 4 check-sat command(s) [2020-07-19 23:23:15,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:15,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:15,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-19 23:23:15,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:23:15,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 23:23:15,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312453296] [2020-07-19 23:23:15,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:23:15,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:15,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:23:15,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:23:15,479 INFO L87 Difference]: Start difference. First operand 1519 states and 1968 transitions. Second operand 3 states. [2020-07-19 23:23:16,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:16,210 INFO L93 Difference]: Finished difference Result 4126 states and 5489 transitions. [2020-07-19 23:23:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:23:16,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-19 23:23:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:16,225 INFO L225 Difference]: With dead ends: 4126 [2020-07-19 23:23:16,225 INFO L226 Difference]: Without dead ends: 2613 [2020-07-19 23:23:16,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:23:16,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2020-07-19 23:23:16,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2478. [2020-07-19 23:23:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-19 23:23:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3239 transitions. [2020-07-19 23:23:16,307 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3239 transitions. Word has length 145 [2020-07-19 23:23:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:16,308 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3239 transitions. [2020-07-19 23:23:16,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:23:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3239 transitions. [2020-07-19 23:23:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-19 23:23:16,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:16,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 23:23:16,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:16,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:16,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:16,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1995296009, now seen corresponding path program 1 times [2020-07-19 23:23:16,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:16,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088791783] [2020-07-19 23:23:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:23:16,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088791783] [2020-07-19 23:23:16,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263735994] [2020-07-19 23:23:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d6bc1bb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:16,892 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2d6bc1bb issued 4 check-sat command(s) [2020-07-19 23:23:16,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:16,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:23:16,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:23:16,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 23:23:16,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214489450] [2020-07-19 23:23:16,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:23:16,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:16,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:23:16,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:23:17,000 INFO L87 Difference]: Start difference. First operand 2478 states and 3239 transitions. Second operand 10 states. [2020-07-19 23:23:21,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:21,242 INFO L93 Difference]: Finished difference Result 6903 states and 9439 transitions. [2020-07-19 23:23:21,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 23:23:21,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-07-19 23:23:21,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:21,270 INFO L225 Difference]: With dead ends: 6903 [2020-07-19 23:23:21,270 INFO L226 Difference]: Without dead ends: 4431 [2020-07-19 23:23:21,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2020-07-19 23:23:21,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2020-07-19 23:23:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 3088. [2020-07-19 23:23:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3088 states. [2020-07-19 23:23:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3846 transitions. [2020-07-19 23:23:21,415 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3846 transitions. Word has length 169 [2020-07-19 23:23:21,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:21,416 INFO L479 AbstractCegarLoop]: Abstraction has 3088 states and 3846 transitions. [2020-07-19 23:23:21,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:23:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3846 transitions. [2020-07-19 23:23:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-19 23:23:21,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:21,426 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:23:21,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:21,641 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:21,641 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-07-19 23:23:21,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:21,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244994330] [2020-07-19 23:23:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-19 23:23:21,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244994330] [2020-07-19 23:23:21,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399143557] [2020-07-19 23:23:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b59ce6c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:22,066 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b59ce6c issued 4 check-sat command(s) [2020-07-19 23:23:22,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:22,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:22,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-19 23:23:22,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:23:22,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 23:23:22,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757643349] [2020-07-19 23:23:22,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:23:22,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:22,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:23:22,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:23:22,134 INFO L87 Difference]: Start difference. First operand 3088 states and 3846 transitions. Second operand 10 states. [2020-07-19 23:23:26,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:26,083 INFO L93 Difference]: Finished difference Result 8730 states and 11074 transitions. [2020-07-19 23:23:26,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-19 23:23:26,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-07-19 23:23:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:26,105 INFO L225 Difference]: With dead ends: 8730 [2020-07-19 23:23:26,105 INFO L226 Difference]: Without dead ends: 5175 [2020-07-19 23:23:26,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-07-19 23:23:26,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-07-19 23:23:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 4303. [2020-07-19 23:23:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-07-19 23:23:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4838 transitions. [2020-07-19 23:23:26,239 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4838 transitions. Word has length 222 [2020-07-19 23:23:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:26,239 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4838 transitions. [2020-07-19 23:23:26,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:23:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4838 transitions. [2020-07-19 23:23:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-19 23:23:26,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:23:26,252 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:23:26,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-19 23:23:26,467 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:23:26,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:23:26,468 INFO L82 PathProgramCache]: Analyzing trace with hash 408719819, now seen corresponding path program 1 times [2020-07-19 23:23:26,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:23:26,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558974315] [2020-07-19 23:23:26,469 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-19 23:23:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:23:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-19 23:23:26,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558974315] [2020-07-19 23:23:26,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013481702] [2020-07-19 23:23:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43f1a047 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:27,011 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43f1a047 issued 4 check-sat command(s) [2020-07-19 23:23:27,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:23:27,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:23:27,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:23:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-19 23:23:27,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:23:27,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 23:23:27,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450666314] [2020-07-19 23:23:27,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:23:27,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:23:27,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:23:27,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:23:27,129 INFO L87 Difference]: Start difference. First operand 4303 states and 4838 transitions. Second operand 10 states. [2020-07-19 23:23:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:23:32,156 INFO L93 Difference]: Finished difference Result 10321 states and 12192 transitions. [2020-07-19 23:23:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-19 23:23:32,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-07-19 23:23:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:23:32,158 INFO L225 Difference]: With dead ends: 10321 [2020-07-19 23:23:32,158 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:23:32,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=1081, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 23:23:32,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:23:32,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:23:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:23:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:23:32,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-07-19 23:23:32,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:23:32,193 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:23:32,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:23:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:23:32,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:23:32,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:23:32,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:23:34,158 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-19 23:23:34,546 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-19 23:23:36,819 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-07-19 23:23:37,635 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-19 23:23:38,391 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-19 23:23:38,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:23:38,395 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)|)) [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,395 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-19 23:23:38,396 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-19 23:23:38,397 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-19 23:23:38,398 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-19 23:23:38,399 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,400 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-19 23:23:38,401 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,402 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-19 23:23:38,403 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,404 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,407 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,407 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,407 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-19 23:23:38,407 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,408 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,409 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,409 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,410 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,410 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,410 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 23:23:38,411 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,412 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,413 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,413 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,413 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-19 23:23:38,414 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-19 23:23:38,415 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-19 23:23:38,416 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-19 23:23:38,416 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-19 23:23:38,416 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-19 23:23:38,416 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-19 23:23:38,417 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-19 23:23:38,417 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 23:23:38,417 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-19 23:23:38,417 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-19 23:23:38,417 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 ~a21~0)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse18 (not (<= |old(~a8~0)| 14))) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a8~0)| 13))) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse16 (= 1 ~a20~0)) (.cse20 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (not (<= |old(~a17~0)| 0))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse16 .cse20)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse17 (and (or .cse6 .cse18 .cse2 .cse10) (or .cse6 .cse2 .cse7))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse19)) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse8) (or .cse6 .cse9 .cse1 .cse10 .cse4) (or .cse6 .cse9 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse4 .cse5) (or .cse0 .cse17 .cse8) (or .cse0 .cse18 .cse2 .cse3 (not (<= |old(~a16~0)| 4)) (and .cse11 .cse12 .cse13 .cse14 .cse19 .cse20)) (or .cse1 (and (or .cse18 .cse2 .cse3 .cse4) (or (and (or .cse9 .cse2 .cse7) (or .cse6 .cse9 .cse18)) .cse4) (or .cse17 .cse4))) (or .cse9 .cse1 .cse3 .cse4)))) [2020-07-19 23:23:38,417 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,418 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-19 23:23:38,419 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-19 23:23:38,420 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-19 23:23:38,421 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,422 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 23:23:38,423 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:23:38,424 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-19 23:23:38,424 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:23:38,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:23:38,425 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-19 23:23:38,425 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-19 23:23:38,425 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-19 23:23:38,425 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-19 23:23:38,425 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-19 23:23:38,426 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-19 23:23:38,426 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-19 23:23:38,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:23:38 BoogieIcfgContainer [2020-07-19 23:23:38,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:23:38,466 INFO L168 Benchmark]: Toolchain (without parser) took 32776.90 ms. Allocated memory was 137.9 MB in the beginning and 636.0 MB in the end (delta: 498.1 MB). Free memory was 100.9 MB in the beginning and 350.9 MB in the end (delta: -249.9 MB). Peak memory consumption was 515.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,467 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.99 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,469 INFO L168 Benchmark]: Boogie Preprocessor took 110.01 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,472 INFO L168 Benchmark]: RCFGBuilder took 1240.76 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 179.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,473 INFO L168 Benchmark]: TraceAbstraction took 30596.16 ms. Allocated memory was 237.0 MB in the beginning and 636.0 MB in the end (delta: 399.0 MB). Free memory was 179.1 MB in the beginning and 350.9 MB in the end (delta: -171.7 MB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:23:38,483 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 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 823.99 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.01 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.76 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 179.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30596.16 ms. Allocated memory was 237.0 MB in the beginning and 636.0 MB in the end (delta: 399.0 MB). Free memory was 179.1 MB in the beginning and 350.9 MB in the end (delta: -171.7 MB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: ((((((((((((((((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)) && 1 == a21) || ((a7 <= 0 && 1 == a21) && a20 <= 0)) || !(\old(a7) <= 0)) || (((a17 <= 0 && a7 <= 0) && 1 == a21) && 1 == a20)) || ((((1 == a7 && a17 <= 0) && a16 <= 5) && 1 == a21) && a20 <= 0)) || (((1 == a7 && a20 <= 0) && a8 <= 14) && a16 <= 4)) || !(5 <= \old(a16))) || (1 == a7 && ((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 == a20)) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((((a8 <= 13 && a7 <= 0) && a16 <= 5) || ((a7 <= 0 && 1 == a20) && a8 <= 14)) && 1 == a21)) || (((a7 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20)) || (((a16 <= 5 && 1 == a21) && a20 <= 0) && a8 <= 14)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 4160 SDslu, 559 SDs, 0 SdLazy, 11469 SolverSat, 1818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4303occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 211 PreInvPairs, 433 NumberOfFragments, 883 HoareAnnotationTreeSize, 211 FomulaSimplifications, 310496 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13233 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2244 NumberOfCodeBlocks, 2244 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2230 ConstructedInterpolants, 0 QuantifiedInterpolants, 999642 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1024/1093 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...