/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 DAGSIZE --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/Problem10_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:46:22,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:46:22,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:46:22,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 03:46:22,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 03:46:22,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 03:46:22,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 03:46:22,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 03:46:22,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 03:46:22,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 03:46:22,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 03:46:22,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 03:46:22,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:46:22,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:46:22,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:46:22,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:46:22,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:46:22,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:46:22,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:46:22,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:46:22,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:46:22,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:46:22,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:46:22,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:46:22,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 03:46:22,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 03:46:22,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 03:46:22,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 03:46:22,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 03:46:22,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 03:46:22,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 03:46:22,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 03:46:22,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 03:46:22,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 03:46:22,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 03:46:22,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 03:46:22,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 03:46:22,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 03:46:22,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:46:22,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:46:22,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:46:22,528 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 03:46:22,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:46:22,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:46:22,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:46:22,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:46:22,544 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:46:22,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:46:22,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:46:22,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:46:22,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:46:22,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:46:22,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:46:22,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:46:22,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:46:22,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:46:22,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:46:22,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:46:22,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:46:22,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:46:22,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:46:22,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:46:22,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:46:22,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:46:22,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:46:22,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:46:22,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:46:22,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:46:22,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:46:22,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:46:22,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:46:22,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 03:46:22,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:46:22,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:46:22,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:46:22,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:46:22,898 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:46:22,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2020-07-20 03:46:22,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6037854e/d54e00d228cf4e4a9bc7070388021dda/FLAG6d729498e [2020-07-20 03:46:23,546 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:46:23,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2020-07-20 03:46:23,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6037854e/d54e00d228cf4e4a9bc7070388021dda/FLAG6d729498e [2020-07-20 03:46:23,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6037854e/d54e00d228cf4e4a9bc7070388021dda [2020-07-20 03:46:23,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:46:23,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:46:23,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:46:23,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:46:23,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:46:23,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:46:23" (1/1) ... [2020-07-20 03:46:23,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cbf44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:23, skipping insertion in model container [2020-07-20 03:46:23,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:46:23" (1/1) ... [2020-07-20 03:46:23,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:46:23,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:46:24,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:46:24,384 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:46:24,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:46:24,503 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:46:24,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24 WrapperNode [2020-07-20 03:46:24,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:46:24,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:46:24,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:46:24,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:46:24,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (1/1) ... [2020-07-20 03:46:24,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:46:24,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:46:24,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:46:24,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:46:24,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (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 03:46:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:46:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:46:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:46:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:46:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:46:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:46:26,042 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:46:26,042 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:46:26,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:46:26 BoogieIcfgContainer [2020-07-20 03:46:26,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:46:26,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:46:26,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:46:26,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:46:26,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:46:23" (1/3) ... [2020-07-20 03:46:26,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c98cddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:46:26, skipping insertion in model container [2020-07-20 03:46:26,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:46:24" (2/3) ... [2020-07-20 03:46:26,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c98cddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:46:26, skipping insertion in model container [2020-07-20 03:46:26,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:46:26" (3/3) ... [2020-07-20 03:46:26,058 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label02.c [2020-07-20 03:46:26,070 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:46:26,078 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:46:26,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:46:26,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:46:26,120 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:46:26,121 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:46:26,121 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:46:26,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:46:26,121 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:46:26,122 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:46:26,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:46:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 03:46:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 03:46:26,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:26,157 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] [2020-07-20 03:46:26,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:26,164 INFO L82 PathProgramCache]: Analyzing trace with hash -824341666, now seen corresponding path program 1 times [2020-07-20 03:46:26,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:26,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745927853] [2020-07-20 03:46:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:26,608 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 03:46:26,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745927853] [2020-07-20 03:46:26,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:46:26,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:46:26,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861671152] [2020-07-20 03:46:26,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:46:26,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:26,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:46:26,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:46:26,637 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 03:46:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:28,872 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-20 03:46:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:46:28,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-20 03:46:28,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:28,895 INFO L225 Difference]: With dead ends: 730 [2020-07-20 03:46:28,895 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 03:46:28,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:46:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 03:46:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-20 03:46:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-20 03:46:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-20 03:46:29,001 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 65 [2020-07-20 03:46:29,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:29,002 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-20 03:46:29,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:46:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-20 03:46:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-20 03:46:29,012 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:29,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:46:29,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:46:29,013 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:29,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:29,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1983600497, now seen corresponding path program 1 times [2020-07-20 03:46:29,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:29,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475529148] [2020-07-20 03:46:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:29,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475529148] [2020-07-20 03:46:29,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471780760] [2020-07-20 03:46:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b0100af No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:29,703 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b0100af issued 4 check-sat command(s) [2020-07-20 03:46:29,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:29,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:29,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:29,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:46:29,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 03:46:29,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146256182] [2020-07-20 03:46:29,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:46:29,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:29,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:46:29,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:46:29,848 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 3 states. [2020-07-20 03:46:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:30,620 INFO L93 Difference]: Finished difference Result 1309 states and 2027 transitions. [2020-07-20 03:46:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:46:30,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-07-20 03:46:30,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:30,628 INFO L225 Difference]: With dead ends: 1309 [2020-07-20 03:46:30,628 INFO L226 Difference]: Without dead ends: 874 [2020-07-20 03:46:30,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:46:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-07-20 03:46:30,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 729. [2020-07-20 03:46:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-20 03:46:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1022 transitions. [2020-07-20 03:46:30,690 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1022 transitions. Word has length 184 [2020-07-20 03:46:30,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:30,695 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 1022 transitions. [2020-07-20 03:46:30,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:46:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1022 transitions. [2020-07-20 03:46:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-20 03:46:30,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:30,707 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:30,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:46:30,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:30,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:30,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1277665994, now seen corresponding path program 1 times [2020-07-20 03:46:30,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:30,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459264551] [2020-07-20 03:46:30,923 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:31,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459264551] [2020-07-20 03:46:31,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:46:31,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:46:31,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455658631] [2020-07-20 03:46:31,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:46:31,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:31,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:46:31,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:46:31,159 INFO L87 Difference]: Start difference. First operand 729 states and 1022 transitions. Second operand 8 states. [2020-07-20 03:46:33,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:33,168 INFO L93 Difference]: Finished difference Result 2072 states and 3093 transitions. [2020-07-20 03:46:33,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 03:46:33,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-07-20 03:46:33,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:33,240 INFO L225 Difference]: With dead ends: 2072 [2020-07-20 03:46:33,240 INFO L226 Difference]: Without dead ends: 1349 [2020-07-20 03:46:33,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-07-20 03:46:33,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-20 03:46:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 894. [2020-07-20 03:46:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-20 03:46:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1140 transitions. [2020-07-20 03:46:33,314 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1140 transitions. Word has length 191 [2020-07-20 03:46:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:33,315 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1140 transitions. [2020-07-20 03:46:33,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:46:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1140 transitions. [2020-07-20 03:46:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-07-20 03:46:33,325 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:33,325 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:46:33,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 03:46:33,326 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:33,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:33,327 INFO L82 PathProgramCache]: Analyzing trace with hash -26378547, now seen corresponding path program 1 times [2020-07-20 03:46:33,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:33,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882610170] [2020-07-20 03:46:33,328 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:46:33,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882610170] [2020-07-20 03:46:33,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629928993] [2020-07-20 03:46:33,767 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7fc852cf No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:33,995 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7fc852cf issued 4 check-sat command(s) [2020-07-20 03:46:33,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:33,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:34,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:34,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:46:34,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-07-20 03:46:34,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040887706] [2020-07-20 03:46:34,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 03:46:34,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:34,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 03:46:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-20 03:46:34,246 INFO L87 Difference]: Start difference. First operand 894 states and 1140 transitions. Second operand 13 states. [2020-07-20 03:46:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:42,049 INFO L93 Difference]: Finished difference Result 3892 states and 6075 transitions. [2020-07-20 03:46:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-20 03:46:42,050 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 270 [2020-07-20 03:46:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:42,070 INFO L225 Difference]: With dead ends: 3892 [2020-07-20 03:46:42,070 INFO L226 Difference]: Without dead ends: 1884 [2020-07-20 03:46:42,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2020-07-20 03:46:42,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2020-07-20 03:46:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1685. [2020-07-20 03:46:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1685 states. [2020-07-20 03:46:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 2306 transitions. [2020-07-20 03:46:42,180 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 2306 transitions. Word has length 270 [2020-07-20 03:46:42,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:42,180 INFO L479 AbstractCegarLoop]: Abstraction has 1685 states and 2306 transitions. [2020-07-20 03:46:42,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 03:46:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2306 transitions. [2020-07-20 03:46:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-07-20 03:46:42,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:42,194 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:46:42,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:42,408 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:42,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:42,409 INFO L82 PathProgramCache]: Analyzing trace with hash -389193643, now seen corresponding path program 1 times [2020-07-20 03:46:42,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:42,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898500831] [2020-07-20 03:46:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-07-20 03:46:42,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898500831] [2020-07-20 03:46:42,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79371708] [2020-07-20 03:46:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63866a83 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 03:46:43,090 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63866a83 issued 4 check-sat command(s) [2020-07-20 03:46:43,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:43,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:46:43,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 229 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:46:43,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:46:43,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2020-07-20 03:46:43,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882132123] [2020-07-20 03:46:43,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 03:46:43,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:43,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 03:46:43,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:46:43,227 INFO L87 Difference]: Start difference. First operand 1685 states and 2306 transitions. Second operand 12 states. [2020-07-20 03:46:47,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:47,513 INFO L93 Difference]: Finished difference Result 4125 states and 5889 transitions. [2020-07-20 03:46:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 03:46:47,514 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 306 [2020-07-20 03:46:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:47,529 INFO L225 Difference]: With dead ends: 4125 [2020-07-20 03:46:47,529 INFO L226 Difference]: Without dead ends: 2446 [2020-07-20 03:46:47,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=341, Invalid=1381, Unknown=0, NotChecked=0, Total=1722 [2020-07-20 03:46:47,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-07-20 03:46:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2366. [2020-07-20 03:46:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2366 states. [2020-07-20 03:46:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 2933 transitions. [2020-07-20 03:46:47,612 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 2933 transitions. Word has length 306 [2020-07-20 03:46:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:47,613 INFO L479 AbstractCegarLoop]: Abstraction has 2366 states and 2933 transitions. [2020-07-20 03:46:47,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 03:46:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2933 transitions. [2020-07-20 03:46:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-20 03:46:47,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:46:47,625 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:46:47,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:47,839 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:46:47,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:46:47,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1821902094, now seen corresponding path program 1 times [2020-07-20 03:46:47,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:46:47,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624373018] [2020-07-20 03:46:47,840 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e389dce [2020-07-20 03:46:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:46:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-07-20 03:46:48,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624373018] [2020-07-20 03:46:48,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780800237] [2020-07-20 03:46:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b041255 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:48,404 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6b041255 issued 4 check-sat command(s) [2020-07-20 03:46:48,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:46:48,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 03:46:48,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:46:48,425 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 03:46:48,426 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 03:46:48,427 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,428 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,429 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,431 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,435 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 03:46:48,436 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,438 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,439 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,441 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,442 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,444 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,446 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,447 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 03:46:48,448 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 03:46:48,449 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 03:46:48,451 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 03:46:48,452 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,453 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 03:46:48,455 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 03:46:48,456 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 03:46:48,457 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 03:46:48,458 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 03:46:48,667 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-07-20 03:46:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-07-20 03:46:48,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:46:48,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 03:46:48,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067049108] [2020-07-20 03:46:48,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:46:48,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:46:48,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:46:48,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:46:48,844 INFO L87 Difference]: Start difference. First operand 2366 states and 2933 transitions. Second operand 8 states. [2020-07-20 03:46:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:46:52,196 INFO L93 Difference]: Finished difference Result 5495 states and 6964 transitions. [2020-07-20 03:46:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 03:46:52,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 391 [2020-07-20 03:46:52,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:46:52,197 INFO L225 Difference]: With dead ends: 5495 [2020-07-20 03:46:52,197 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:46:52,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-20 03:46:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:46:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:46:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:46:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:46:52,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2020-07-20 03:46:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:46:52,210 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:46:52,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:46:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:46:52,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:46:52,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:46:52,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:46:52,962 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 25 [2020-07-20 03:46:53,753 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 27 [2020-07-20 03:46:53,870 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:53,871 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-20 03:46:53,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:53,871 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 03:46:53,871 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,872 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 03:46:53,873 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 03:46:53,874 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 03:46:53,874 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 03:46:53,874 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 03:46:53,875 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 03:46:53,876 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,877 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 03:46:53,878 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,879 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 03:46:53,880 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 03:46:53,881 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,882 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 03:46:53,883 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,884 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 03:46:53,885 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,886 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 03:46:53,887 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,888 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 03:46:53,889 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= 3 |old(~a10~0)|)) .cse0) (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (<= |old(~a10~0)| 0)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,890 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 03:46:53,891 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 03:46:53,892 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 03:46:53,893 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,894 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 03:46:53,895 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= 23 ~a1~0)) [2020-07-20 03:46:53,896 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:46:53,896 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 03:46:53,896 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:46:53,897 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= 6 ~a19~0)) (and (<= ~a10~0 0) (<= (+ ~a1~0 551894) 0)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (<= 3 ~a10~0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9))) [2020-07-20 03:46:53,897 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 03:46:53,897 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 03:46:53,897 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= 6 ~a19~0)) (and (<= ~a10~0 0) (<= (+ ~a1~0 551894) 0)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (<= 3 ~a10~0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9))) [2020-07-20 03:46:53,897 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:46:53,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:46:53 BoogieIcfgContainer [2020-07-20 03:46:53,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:46:53,918 INFO L168 Benchmark]: Toolchain (without parser) took 30128.65 ms. Allocated memory was 143.7 MB in the beginning and 600.8 MB in the end (delta: 457.2 MB). Free memory was 99.7 MB in the beginning and 469.1 MB in the end (delta: -369.3 MB). Peak memory consumption was 474.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:53,919 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 03:46:53,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.01 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:53,921 INFO L168 Benchmark]: Boogie Preprocessor took 121.37 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:53,922 INFO L168 Benchmark]: RCFGBuilder took 1423.11 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 162.4 MB in the beginning and 177.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:53,923 INFO L168 Benchmark]: TraceAbstraction took 27865.65 ms. Allocated memory was 231.7 MB in the beginning and 600.8 MB in the end (delta: 369.1 MB). Free memory was 177.8 MB in the beginning and 469.1 MB in the end (delta: -291.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:46:53,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.01 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.37 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1423.11 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 162.4 MB in the beginning and 177.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27865.65 ms. Allocated memory was 231.7 MB in the beginning and 600.8 MB in the end (delta: 369.1 MB). Free memory was 177.8 MB in the beginning and 469.1 MB in the end (delta: -291.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(23 <= \old(a1)) || !(6 == a19)) || (a10 <= 0 && a1 + 551894 <= 0)) || !(\old(a10) <= 0)) || !(0 == a12)) || !(9 <= \old(a19))) || 3 <= a10) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.3s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 4861 SDslu, 609 SDs, 0 SdLazy, 12643 SolverSat, 2236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1318 GetRequests, 1206 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2366occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 885 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 113 PreInvPairs, 215 NumberOfFragments, 219 HoareAnnotationTreeSize, 113 FomulaSimplifications, 31257 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3616 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2558 NumberOfCodeBlocks, 2558 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2548 ConstructedInterpolants, 6 QuantifiedInterpolants, 1642480 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1854 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1858/1944 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...