/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 BIGGEST_EQUIVALENCE_CLASS --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/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:52:01,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:52:01,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:52:01,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:52:01,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:52:01,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:52:01,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:52:01,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:52:01,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:52:01,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:52:01,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:52:01,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:52:01,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:52:01,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:52:01,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:52:01,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:52:01,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:52:01,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:52:01,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:52:01,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:52:01,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:52:01,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:52:01,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:52:01,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:52:01,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 05:52:01,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 05:52:01,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 05:52:01,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 05:52:01,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 05:52:01,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 05:52:01,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 05:52:01,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 05:52:01,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 05:52:01,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 05:52:01,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 05:52:01,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 05:52:01,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 05:52:01,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 05:52:01,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:52:01,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:52:01,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:52:01,695 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 [2020-07-20 05:52:01,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:52:01,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:52:01,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:52:01,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:52:01,712 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:52:01,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:52:01,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:52:01,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:52:01,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:52:01,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:52:01,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:52:01,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:52:01,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:52:01,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:52:01,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:52:01,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:52:01,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:52:01,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:52:01,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:52:01,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:52:01,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:52:01,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:52:01,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:52:01,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:52:01,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:52:01,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:52:01,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:52:01,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:52:01,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:52:01,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS 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 [2020-07-20 05:52:02,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:52:02,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:52:02,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:52:02,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:52:02,034 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:52:02,034 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-07-20 05:52:02,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8214e29/9ee5dc3c5b3d4ec39ac14942ea831a70/FLAGabb4f146f [2020-07-20 05:52:02,681 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:52:02,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-07-20 05:52:02,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8214e29/9ee5dc3c5b3d4ec39ac14942ea831a70/FLAGabb4f146f [2020-07-20 05:52:02,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8214e29/9ee5dc3c5b3d4ec39ac14942ea831a70 [2020-07-20 05:52:02,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:52:02,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:52:03,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:52:03,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:52:03,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:52:03,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:52:02" (1/1) ... [2020-07-20 05:52:03,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf582a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03, skipping insertion in model container [2020-07-20 05:52:03,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:52:02" (1/1) ... [2020-07-20 05:52:03,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:52:03,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:52:03,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:52:03,649 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:52:03,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:52:03,783 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:52:03,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03 WrapperNode [2020-07-20 05:52:03,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:52:03,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:52:03,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:52:03,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:52:03,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (1/1) ... [2020-07-20 05:52:03,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:52:03,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:52:03,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:52:03,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:52:03,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (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 [2020-07-20 05:52:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:52:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:52:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:52:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:52:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:52:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:52:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:52:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:52:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:52:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:52:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:52:05,183 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:52:05,183 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:52:05,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:52:05 BoogieIcfgContainer [2020-07-20 05:52:05,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:52:05,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:52:05,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:52:05,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:52:05,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:52:02" (1/3) ... [2020-07-20 05:52:05,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:52:05, skipping insertion in model container [2020-07-20 05:52:05,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:52:03" (2/3) ... [2020-07-20 05:52:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:52:05, skipping insertion in model container [2020-07-20 05:52:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:52:05" (3/3) ... [2020-07-20 05:52:05,200 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-07-20 05:52:05,214 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:52:05,224 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:52:05,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:52:05,267 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:52:05,267 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:52:05,267 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:52:05,267 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:52:05,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:52:05,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:52:05,268 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:52:05,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:52:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 05:52:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-20 05:52:05,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:05,308 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] [2020-07-20 05:52:05,308 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:05,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2020-07-20 05:52:05,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:05,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439340919] [2020-07-20 05:52:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:05,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439340919] [2020-07-20 05:52:05,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:52:05,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:52:05,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167653201] [2020-07-20 05:52:05,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:52:05,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:05,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:52:05,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:52:05,956 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 05:52:07,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:07,699 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-20 05:52:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:52:07,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-07-20 05:52:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:07,720 INFO L225 Difference]: With dead ends: 627 [2020-07-20 05:52:07,720 INFO L226 Difference]: Without dead ends: 327 [2020-07-20 05:52:07,728 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 [2020-07-20 05:52:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-20 05:52:07,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-20 05:52:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 05:52:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-20 05:52:07,820 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 99 [2020-07-20 05:52:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:07,821 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-20 05:52:07,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:52:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-20 05:52:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 05:52:07,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:07,828 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:52:07,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:52:07,829 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:07,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:07,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1792094708, now seen corresponding path program 1 times [2020-07-20 05:52:07,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:07,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644963971] [2020-07-20 05:52:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:08,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644963971] [2020-07-20 05:52:08,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:52:08,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:52:08,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121451499] [2020-07-20 05:52:08,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:52:08,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:08,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:52:08,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:08,062 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-20 05:52:10,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:10,429 INFO L93 Difference]: Finished difference Result 1100 states and 1689 transitions. [2020-07-20 05:52:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:52:10,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-07-20 05:52:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:10,444 INFO L225 Difference]: With dead ends: 1100 [2020-07-20 05:52:10,445 INFO L226 Difference]: Without dead ends: 787 [2020-07-20 05:52:10,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:52:10,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-07-20 05:52:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 626. [2020-07-20 05:52:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-07-20 05:52:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 916 transitions. [2020-07-20 05:52:10,530 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 916 transitions. Word has length 114 [2020-07-20 05:52:10,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:10,530 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 916 transitions. [2020-07-20 05:52:10,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:52:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 916 transitions. [2020-07-20 05:52:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 05:52:10,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:10,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:52:10,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:52:10,538 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:10,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:10,538 INFO L82 PathProgramCache]: Analyzing trace with hash 433324193, now seen corresponding path program 1 times [2020-07-20 05:52:10,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:10,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579671420] [2020-07-20 05:52:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:10,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579671420] [2020-07-20 05:52:10,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:52:10,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:52:10,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358599959] [2020-07-20 05:52:10,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:52:10,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:10,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:52:10,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:10,741 INFO L87 Difference]: Start difference. First operand 626 states and 916 transitions. Second operand 8 states. [2020-07-20 05:52:12,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:12,847 INFO L93 Difference]: Finished difference Result 2505 states and 3868 transitions. [2020-07-20 05:52:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:52:12,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-07-20 05:52:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:12,866 INFO L225 Difference]: With dead ends: 2505 [2020-07-20 05:52:12,876 INFO L226 Difference]: Without dead ends: 1885 [2020-07-20 05:52:12,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:52:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2020-07-20 05:52:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1830. [2020-07-20 05:52:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2020-07-20 05:52:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2654 transitions. [2020-07-20 05:52:12,995 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2654 transitions. Word has length 121 [2020-07-20 05:52:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:13,000 INFO L479 AbstractCegarLoop]: Abstraction has 1830 states and 2654 transitions. [2020-07-20 05:52:13,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:52:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2654 transitions. [2020-07-20 05:52:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 05:52:13,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:13,022 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:52:13,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 05:52:13,023 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:13,024 INFO L82 PathProgramCache]: Analyzing trace with hash 253571881, now seen corresponding path program 1 times [2020-07-20 05:52:13,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:13,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409874856] [2020-07-20 05:52:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:13,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409874856] [2020-07-20 05:52:13,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619194822] [2020-07-20 05:52:13,393 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c0569ba No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:13,546 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c0569ba issued 4 check-sat command(s) [2020-07-20 05:52:13,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:52:13,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:52:13,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:52:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:13,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:52:13,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 05:52:13,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919489553] [2020-07-20 05:52:13,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:52:13,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:13,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:52:13,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:52:13,658 INFO L87 Difference]: Start difference. First operand 1830 states and 2654 transitions. Second operand 3 states. [2020-07-20 05:52:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:14,291 INFO L93 Difference]: Finished difference Result 4967 states and 7362 transitions. [2020-07-20 05:52:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:52:14,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-20 05:52:14,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:14,322 INFO L225 Difference]: With dead ends: 4967 [2020-07-20 05:52:14,323 INFO L226 Difference]: Without dead ends: 3143 [2020-07-20 05:52:14,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:52:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3143 states. [2020-07-20 05:52:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3143 to 2996. [2020-07-20 05:52:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2996 states. [2020-07-20 05:52:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 3963 transitions. [2020-07-20 05:52:14,467 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 3963 transitions. Word has length 125 [2020-07-20 05:52:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:14,468 INFO L479 AbstractCegarLoop]: Abstraction has 2996 states and 3963 transitions. [2020-07-20 05:52:14,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:52:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 3963 transitions. [2020-07-20 05:52:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 05:52:14,477 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:14,477 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:52:14,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:14,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:14,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1059750232, now seen corresponding path program 1 times [2020-07-20 05:52:14,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:14,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906159393] [2020-07-20 05:52:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 05:52:14,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906159393] [2020-07-20 05:52:14,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642159190] [2020-07-20 05:52:14,947 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ac26fc 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 [2020-07-20 05:52:15,144 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ac26fc issued 4 check-sat command(s) [2020-07-20 05:52:15,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:52:15,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:52:15,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:52:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 05:52:15,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:52:15,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-20 05:52:15,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82678036] [2020-07-20 05:52:15,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:52:15,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:15,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:52:15,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:15,186 INFO L87 Difference]: Start difference. First operand 2996 states and 3963 transitions. Second operand 3 states. [2020-07-20 05:52:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:15,876 INFO L93 Difference]: Finished difference Result 7304 states and 10018 transitions. [2020-07-20 05:52:15,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:52:15,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-20 05:52:15,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:15,902 INFO L225 Difference]: With dead ends: 7304 [2020-07-20 05:52:15,902 INFO L226 Difference]: Without dead ends: 4314 [2020-07-20 05:52:15,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2020-07-20 05:52:16,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4170. [2020-07-20 05:52:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4170 states. [2020-07-20 05:52:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5433 transitions. [2020-07-20 05:52:16,051 INFO L78 Accepts]: Start accepts. Automaton has 4170 states and 5433 transitions. Word has length 134 [2020-07-20 05:52:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:16,051 INFO L479 AbstractCegarLoop]: Abstraction has 4170 states and 5433 transitions. [2020-07-20 05:52:16,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:52:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 5433 transitions. [2020-07-20 05:52:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 05:52:16,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:16,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:52:16,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:16,279 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:16,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:16,279 INFO L82 PathProgramCache]: Analyzing trace with hash 903806454, now seen corresponding path program 1 times [2020-07-20 05:52:16,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:16,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857399317] [2020-07-20 05:52:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:52:16,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857399317] [2020-07-20 05:52:16,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280654664] [2020-07-20 05:52:16,505 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f907653 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:16,641 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1f907653 issued 4 check-sat command(s) [2020-07-20 05:52:16,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:52:16,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:52:16,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:52:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:52:16,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:52:16,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-20 05:52:16,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138417594] [2020-07-20 05:52:16,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 05:52:16,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:16,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 05:52:16,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:52:16,748 INFO L87 Difference]: Start difference. First operand 4170 states and 5433 transitions. Second operand 12 states. [2020-07-20 05:52:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:19,120 INFO L93 Difference]: Finished difference Result 8549 states and 11394 transitions. [2020-07-20 05:52:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 05:52:19,122 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-07-20 05:52:19,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:19,145 INFO L225 Difference]: With dead ends: 8549 [2020-07-20 05:52:19,146 INFO L226 Difference]: Without dead ends: 4385 [2020-07-20 05:52:19,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2020-07-20 05:52:19,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2020-07-20 05:52:19,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 3197. [2020-07-20 05:52:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3197 states. [2020-07-20 05:52:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 4111 transitions. [2020-07-20 05:52:19,307 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 4111 transitions. Word has length 150 [2020-07-20 05:52:19,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:19,309 INFO L479 AbstractCegarLoop]: Abstraction has 3197 states and 4111 transitions. [2020-07-20 05:52:19,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 05:52:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 4111 transitions. [2020-07-20 05:52:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 05:52:19,321 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:52:19,322 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2020-07-20 05:52:19,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:19,535 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:52:19,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:52:19,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2104672453, now seen corresponding path program 1 times [2020-07-20 05:52:19,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:52:19,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567584662] [2020-07-20 05:52:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ffe4f9b [2020-07-20 05:52:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:52:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 05:52:19,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567584662] [2020-07-20 05:52:19,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964404182] [2020-07-20 05:52:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ed3fa1b 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 [2020-07-20 05:52:19,898 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ed3fa1b issued 4 check-sat command(s) [2020-07-20 05:52:19,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:52:19,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:52:19,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:52:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-20 05:52:19,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:52:19,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 05:52:19,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280976846] [2020-07-20 05:52:19,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:52:19,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:52:19,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:52:19,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:19,970 INFO L87 Difference]: Start difference. First operand 3197 states and 4111 transitions. Second operand 3 states. [2020-07-20 05:52:20,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:52:20,762 INFO L93 Difference]: Finished difference Result 6388 states and 8262 transitions. [2020-07-20 05:52:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:52:20,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-20 05:52:20,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:52:20,764 INFO L225 Difference]: With dead ends: 6388 [2020-07-20 05:52:20,764 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:52:20,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:52:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:52:20,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:52:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:52:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:52:20,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-20 05:52:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:52:20,787 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:52:20,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:52:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:52:20,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:52:21,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:52:21,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:52:21,991 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 38 [2020-07-20 05:52:22,177 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:52:22,178 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:52:22,178 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:52:22,178 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 05:52:22,179 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 05:52:22,180 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,181 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 05:52:22,182 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 05:52:22,183 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:52:22,184 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,185 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 05:52:22,186 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 05:52:22,187 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 05:52:22,188 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 05:52:22,189 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,190 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 05:52:22,191 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 05:52:22,192 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,193 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:52:22,194 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 05:52:22,195 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 05:52:22,196 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,197 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 05:52:22,198 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,199 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,202 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,202 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,202 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 05:52:22,202 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 05:52:22,202 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 05:52:22,203 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,204 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,205 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (= 1 |old(~a11~0)|) (not (<= 8 |old(~a17~0)|)) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or (not (<= 9 |old(~a28~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (<= |old(~a11~0)| 0))))) [2020-07-20 05:52:22,205 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,205 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,205 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,205 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 05:52:22,205 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 05:52:22,206 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,207 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 05:52:22,208 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:52:22,209 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,210 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 05:52:22,211 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 05:52:22,212 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 05:52:22,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:52:22,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-20 05:52:22,214 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:52:22,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:52:22,214 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 05:52:22,214 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (<= ~a11~0 0) .cse0) (and .cse0 (<= 8 ~a17~0) (not (= 1 ~a11~0))) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)))) [2020-07-20 05:52:22,215 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:52:22,215 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:52:22,215 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (<= ~a11~0 0) .cse0) (and .cse0 (<= 8 ~a17~0) (not (= 1 ~a11~0))) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)))) [2020-07-20 05:52:22,215 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 05:52:22,215 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 05:52:22,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:52:22 BoogieIcfgContainer [2020-07-20 05:52:22,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:52:22,256 INFO L168 Benchmark]: Toolchain (without parser) took 19257.60 ms. Allocated memory was 138.9 MB in the beginning and 478.7 MB in the end (delta: 339.7 MB). Free memory was 100.4 MB in the beginning and 70.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 369.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,257 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.89 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.9 MB in the beginning and 170.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,259 INFO L168 Benchmark]: Boogie Preprocessor took 110.44 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,263 INFO L168 Benchmark]: RCFGBuilder took 1294.75 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 165.8 MB in the beginning and 181.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,264 INFO L168 Benchmark]: TraceAbstraction took 17057.05 ms. Allocated memory was 233.8 MB in the beginning and 478.7 MB in the end (delta: 244.8 MB). Free memory was 181.0 MB in the beginning and 70.9 MB in the end (delta: 110.1 MB). Peak memory consumption was 354.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:52:22,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.89 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.9 MB in the beginning and 170.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.44 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1294.75 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 165.8 MB in the beginning and 181.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17057.05 ms. Allocated memory was 233.8 MB in the beginning and 478.7 MB in the end (delta: 244.8 MB). Free memory was 181.0 MB in the beginning and 70.9 MB in the end (delta: 110.1 MB). Peak memory consumption was 354.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a17 <= 8 && 9 <= a28) || (a17 <= 8 && a28 <= 7)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || !(\old(a25) <= 0)) || (a11 <= 0 && a17 <= 8)) || ((a17 <= 8 && 8 <= a17) && !(1 == a11))) || !(\old(a17) <= 8)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 695 SDtfs, 3684 SDslu, 347 SDs, 0 SdLazy, 5282 SolverSat, 1373 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4170occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1703 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 157 NumberOfFragments, 316 HoareAnnotationTreeSize, 115 FomulaSimplifications, 18322 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2045 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1468 NumberOfCodeBlocks, 1468 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 643085 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1575 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 428/451 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...