/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:26:49,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:26:49,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:26:49,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:26:49,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:26:49,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:26:49,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:26:49,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:26:49,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:26:49,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:26:49,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:26:49,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:26:49,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:26:49,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:26:49,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:26:49,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:26:49,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:26:49,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:26:49,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:26:49,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:26:49,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:26:49,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:26:49,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:26:49,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:26:49,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:26:49,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:26:49,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:26:49,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:26:49,603 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 [2020-07-21 11:26:49,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:26:49,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:26:49,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:26:49,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:26:49,620 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:26:49,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:26:49,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:26:49,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:26:49,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:26:49,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:26:49,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:26:49,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:26:49,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:26:49,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:26:49,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:26:49,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:26:49,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:26:49,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:26:49,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:26:49,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:26:49,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:26:49,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:26:49,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:26:49,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:26:49,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:26:49,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:26:49,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:49,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:26:49,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:26:49,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:26:49,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:26:49,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:26:49,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:26:49,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:26:49,937 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:26:49,938 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-21 11:26:50,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029935ee/58d4fbeb782f498086cd5cbc15ac0e24/FLAGce8bb4533 [2020-07-21 11:26:50,639 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:26:50,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-21 11:26:50,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029935ee/58d4fbeb782f498086cd5cbc15ac0e24/FLAGce8bb4533 [2020-07-21 11:26:50,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029935ee/58d4fbeb782f498086cd5cbc15ac0e24 [2020-07-21 11:26:50,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:26:50,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:26:50,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:26:50,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:26:50,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:26:50,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:50" (1/1) ... [2020-07-21 11:26:50,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cacc313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:50, skipping insertion in model container [2020-07-21 11:26:50,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:50" (1/1) ... [2020-07-21 11:26:50,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:26:51,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:26:51,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:26:51,463 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:26:51,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:26:51,669 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:26:51,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51 WrapperNode [2020-07-21 11:26:51,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:26:51,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:26:51,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:26:51,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:26:51,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (1/1) ... [2020-07-21 11:26:51,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:26:51,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:26:51,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:26:51,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:26:51,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (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 [2020-07-21 11:26:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:26:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:26:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:26:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:26:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:26:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:26:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:26:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:26:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:26:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:26:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:26:53,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:26:53,130 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:26:53,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:53 BoogieIcfgContainer [2020-07-21 11:26:53,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:26:53,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:26:53,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:26:53,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:26:53,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:26:50" (1/3) ... [2020-07-21 11:26:53,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8330b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:53, skipping insertion in model container [2020-07-21 11:26:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:51" (2/3) ... [2020-07-21 11:26:53,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8330b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:53, skipping insertion in model container [2020-07-21 11:26:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:53" (3/3) ... [2020-07-21 11:26:53,146 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-07-21 11:26:53,157 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:26:53,166 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:26:53,180 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:26:53,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:26:53,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:26:53,211 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:26:53,211 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:26:53,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:26:53,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:26:53,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:26:53,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:26:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 11:26:53,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 11:26:53,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:53,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:53,254 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:53,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:53,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1144571695, now seen corresponding path program 1 times [2020-07-21 11:26:53,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:53,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864192546] [2020-07-21 11:26:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:53,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:53,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:53,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:53,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864192546] [2020-07-21 11:26:53,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:53,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:26:53,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578057706] [2020-07-21 11:26:53,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:26:53,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:53,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:26:53,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:53,642 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 11:26:54,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:54,554 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-21 11:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:26:54,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-21 11:26:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:54,589 INFO L225 Difference]: With dead ends: 615 [2020-07-21 11:26:54,589 INFO L226 Difference]: Without dead ends: 317 [2020-07-21 11:26:54,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:54,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-21 11:26:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-21 11:26:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 11:26:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-21 11:26:54,698 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 145 [2020-07-21 11:26:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:54,704 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-21 11:26:54,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:26:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-21 11:26:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 11:26:54,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:54,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:54,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:54,935 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1556834100, now seen corresponding path program 1 times [2020-07-21 11:26:54,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:54,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643235017] [2020-07-21 11:26:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:55,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:55,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:55,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:55,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643235017] [2020-07-21 11:26:55,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:55,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:26:55,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392121285] [2020-07-21 11:26:55,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:55,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:55,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:55,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:55,136 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 5 states. [2020-07-21 11:26:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:55,624 INFO L93 Difference]: Finished difference Result 629 states and 962 transitions. [2020-07-21 11:26:55,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:26:55,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-07-21 11:26:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:55,629 INFO L225 Difference]: With dead ends: 629 [2020-07-21 11:26:55,629 INFO L226 Difference]: Without dead ends: 318 [2020-07-21 11:26:55,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-21 11:26:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308. [2020-07-21 11:26:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-21 11:26:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 435 transitions. [2020-07-21 11:26:55,674 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 435 transitions. Word has length 160 [2020-07-21 11:26:55,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:55,675 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 435 transitions. [2020-07-21 11:26:55,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions. [2020-07-21 11:26:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 11:26:55,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:55,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:55,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:55,890 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash 218808505, now seen corresponding path program 1 times [2020-07-21 11:26:55,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:55,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75090752] [2020-07-21 11:26:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:55,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:56,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:56,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:56,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75090752] [2020-07-21 11:26:56,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:56,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:26:56,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645414867] [2020-07-21 11:26:56,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:56,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:56,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:56,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:56,078 INFO L87 Difference]: Start difference. First operand 308 states and 435 transitions. Second operand 5 states. [2020-07-21 11:26:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:57,003 INFO L93 Difference]: Finished difference Result 923 states and 1328 transitions. [2020-07-21 11:26:57,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:26:57,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-21 11:26:57,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:57,009 INFO L225 Difference]: With dead ends: 923 [2020-07-21 11:26:57,010 INFO L226 Difference]: Without dead ends: 621 [2020-07-21 11:26:57,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:26:57,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-07-21 11:26:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 459. [2020-07-21 11:26:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-07-21 11:26:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 601 transitions. [2020-07-21 11:26:57,035 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 601 transitions. Word has length 167 [2020-07-21 11:26:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:57,036 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 601 transitions. [2020-07-21 11:26:57,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 601 transitions. [2020-07-21 11:26:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-21 11:26:57,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:57,040 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:57,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:57,248 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:57,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:57,249 INFO L82 PathProgramCache]: Analyzing trace with hash -832944472, now seen corresponding path program 1 times [2020-07-21 11:26:57,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:57,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954763982] [2020-07-21 11:26:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:57,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:26:57,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:57,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:26:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:57,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954763982] [2020-07-21 11:26:57,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:26:57,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 11:26:57,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563782834] [2020-07-21 11:26:57,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:26:57,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:26:57,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:57,595 INFO L87 Difference]: Start difference. First operand 459 states and 601 transitions. Second operand 6 states. [2020-07-21 11:26:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:58,675 INFO L93 Difference]: Finished difference Result 1073 states and 1438 transitions. [2020-07-21 11:26:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:26:58,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-07-21 11:26:58,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:58,676 INFO L225 Difference]: With dead ends: 1073 [2020-07-21 11:26:58,676 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:26:58,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:26:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:26:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:26:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:26:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:26:58,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-07-21 11:26:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:58,681 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:26:58,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:26:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:26:58,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:26:58,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:58,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:26:59,314 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:59,315 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|)) [2020-07-21 11:26:59,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:59,315 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,316 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,316 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,316 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,317 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,317 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 11:26:59,317 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 11:26:59,317 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 11:26:59,319 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 11:26:59,319 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 11:26:59,319 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:26:59,320 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 11:26:59,321 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 11:26:59,322 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 11:26:59,322 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 11:26:59,322 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 11:26:59,323 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 11:26:59,324 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 11:26:59,324 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:26:59,324 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:26:59,324 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 11:26:59,325 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,326 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,326 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,327 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,327 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,327 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 589) no Hoare annotation was computed. [2020-07-21 11:26:59,328 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:26:59,332 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 11:26:59,332 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:26:59,333 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 11:26:59,333 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 11:26:59,333 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,334 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 11:26:59,335 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 11:26:59,343 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 11:26:59,343 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 11:26:59,343 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,344 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,345 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,345 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,345 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,345 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 11:26:59,347 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 11:26:59,347 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 11:26:59,347 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 11:26:59,347 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 11:26:59,348 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,349 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,350 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,351 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 11:26:59,351 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 11:26:59,351 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 11:26:59,351 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 11:26:59,352 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 11:26:59,352 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 11:26:59,352 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,353 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 11:26:59,354 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,355 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 11:26:59,356 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 11:26:59,357 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 11:26:59,358 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 11:26:59,358 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 11:26:59,358 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,358 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,358 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,360 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 |old(~a28~0)|)) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (not (<= |old(~a28~0)| 10)) (and (<= ~a17~0 |old(~a17~0)|) .cse0) .cse1) (or (and .cse0 (<= ~a17~0 8) (<= 8 ~a17~0)) (not (<= 8 |old(~a17~0)|)) .cse1))) [2020-07-21 11:26:59,360 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,360 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 11:26:59,361 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 11:26:59,362 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 11:26:59,362 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 11:26:59,362 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 11:26:59,362 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,366 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 11:26:59,367 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 11:26:59,368 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 11:26:59,369 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 11:26:59,370 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:26:59,371 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 11:26:59,372 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 11:26:59,372 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:59,372 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-21 11:26:59,372 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:26:59,372 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:59,372 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-21 11:26:59,372 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)))) [2020-07-21 11:26:59,373 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:26:59,373 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:26:59,373 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)))) [2020-07-21 11:26:59,373 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 11:26:59,373 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 11:26:59,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:26:59 BoogieIcfgContainer [2020-07-21 11:26:59,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:26:59,399 INFO L168 Benchmark]: Toolchain (without parser) took 8464.01 ms. Allocated memory was 137.9 MB in the beginning and 330.8 MB in the end (delta: 192.9 MB). Free memory was 101.3 MB in the beginning and 225.7 MB in the end (delta: -124.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,400 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.87 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 172.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,402 INFO L168 Benchmark]: Boogie Preprocessor took 116.06 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,404 INFO L168 Benchmark]: RCFGBuilder took 1349.98 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 182.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,405 INFO L168 Benchmark]: TraceAbstraction took 6257.66 ms. Allocated memory was 237.0 MB in the beginning and 330.8 MB in the end (delta: 93.8 MB). Free memory was 182.7 MB in the beginning and 225.7 MB in the end (delta: -43.1 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:59,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.87 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 172.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.06 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1349.98 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 182.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6257.66 ms. Allocated memory was 237.0 MB in the beginning and 330.8 MB in the end (delta: 93.8 MB). Free memory was 182.7 MB in the beginning and 225.7 MB in the end (delta: -43.1 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 589]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a17 <= 8 && a28 <= 10) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 191 SDtfs, 1759 SDslu, 164 SDs, 0 SdLazy, 2014 SolverSat, 504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 808 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 19 PreInvPairs, 29 NumberOfFragments, 131 HoareAnnotationTreeSize, 19 FomulaSimplifications, 468 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 106 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 217743 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1487 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 95/99 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...