/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:34:17,436 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 16:34:17,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:34:17,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:34:17,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:34:17,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:34:17,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:34:17,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:34:17,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:34:17,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:34:17,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:34:17,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:34:17,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:34:17,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:34:17,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:34:17,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:34:17,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:34:17,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:34:17,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:34:17,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:34:17,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:34:17,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:34:17,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 16:34:17,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:34:17,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:34:17,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:34:17,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 16:34:17,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:34:17,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:34:17,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:34:17,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:34:17,607 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:34:17,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:34:17,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:34:17,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:34:17,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:34:17,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:34:17,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:34:17,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:34:17,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:34:17,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:34:17,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:34:17,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:34:17,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:34:17,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:34:17,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:34:17,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:34:17,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:34:17,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:34:17,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:34:17,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:34:17,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:34:17,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:34:17,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:34:17,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:34:17,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:34:17,613 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:34:17,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:34:17,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:34:17,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:34:17,939 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:34:17,939 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:34:17,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-08-21 16:34:18,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f2f26af1/c636b473e80440ec9245c8bcb0d1b89d/FLAGf57bc4130 [2020-08-21 16:34:18,544 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:34:18,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-08-21 16:34:18,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f2f26af1/c636b473e80440ec9245c8bcb0d1b89d/FLAGf57bc4130 [2020-08-21 16:34:18,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f2f26af1/c636b473e80440ec9245c8bcb0d1b89d [2020-08-21 16:34:18,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:34:18,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:34:18,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:34:18,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:34:18,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:34:18,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:34:18" (1/1) ... [2020-08-21 16:34:18,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500f3ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:18, skipping insertion in model container [2020-08-21 16:34:18,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:34:18" (1/1) ... [2020-08-21 16:34:18,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:34:18,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:34:19,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:34:19,386 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:34:19,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:34:19,632 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:34:19,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19 WrapperNode [2020-08-21 16:34:19,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:34:19,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:34:19,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:34:19,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:34:19,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... [2020-08-21 16:34:19,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:34:19,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:34:19,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:34:19,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:34:19,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 16:34:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:34:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:34:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 16:34:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:34:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 16:34:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:34:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:34:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 16:34:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:34:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:34:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:34:21,071 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:34:21,071 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 16:34:21,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:34:21 BoogieIcfgContainer [2020-08-21 16:34:21,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:34:21,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:34:21,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:34:21,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:34:21,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:34:18" (1/3) ... [2020-08-21 16:34:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef314c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:34:21, skipping insertion in model container [2020-08-21 16:34:21,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:19" (2/3) ... [2020-08-21 16:34:21,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef314c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:34:21, skipping insertion in model container [2020-08-21 16:34:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:34:21" (3/3) ... [2020-08-21 16:34:21,091 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-08-21 16:34:21,102 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:34:21,113 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:34:21,128 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:34:21,162 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:34:21,162 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:34:21,163 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:34:21,163 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:34:21,163 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:34:21,163 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:34:21,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:34:21,164 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:34:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-21 16:34:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-08-21 16:34:21,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:21,197 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] [2020-08-21 16:34:21,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:21,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-08-21 16:34:21,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:21,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047888766] [2020-08-21 16:34:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:21,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:34:21,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047888766] [2020-08-21 16:34:21,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:34:21,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:34:21,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775202880] [2020-08-21 16:34:21,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:34:21,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:21,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:34:21,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:34:21,886 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-21 16:34:23,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:23,346 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-08-21 16:34:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:34:23,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-08-21 16:34:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:23,365 INFO L225 Difference]: With dead ends: 557 [2020-08-21 16:34:23,365 INFO L226 Difference]: Without dead ends: 286 [2020-08-21 16:34:23,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:34:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-21 16:34:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-21 16:34:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-21 16:34:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-08-21 16:34:23,444 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-08-21 16:34:23,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:23,445 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-08-21 16:34:23,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:34:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-08-21 16:34:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-08-21 16:34:23,451 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:23,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:23,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:34:23,452 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:23,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:23,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-08-21 16:34:23,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:23,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167888434] [2020-08-21 16:34:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:23,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:23,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:34:23,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167888434] [2020-08-21 16:34:23,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:34:23,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:34:23,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480414755] [2020-08-21 16:34:23,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:34:23,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:23,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:34:23,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:34:23,664 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-08-21 16:34:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:25,148 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-08-21 16:34:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:34:25,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-08-21 16:34:25,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:25,155 INFO L225 Difference]: With dead ends: 713 [2020-08-21 16:34:25,155 INFO L226 Difference]: Without dead ends: 439 [2020-08-21 16:34:25,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:34:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-21 16:34:25,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-08-21 16:34:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-08-21 16:34:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-08-21 16:34:25,201 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-08-21 16:34:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:25,201 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-08-21 16:34:25,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:34:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-08-21 16:34:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-21 16:34:25,206 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:25,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:25,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:34:25,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:25,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:25,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-08-21 16:34:25,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:25,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345281946] [2020-08-21 16:34:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:25,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:34:25,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345281946] [2020-08-21 16:34:25,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:25,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:34:25,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609199025] [2020-08-21 16:34:25,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:34:25,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:25,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:34:25,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:34:25,439 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 5 states. [2020-08-21 16:34:26,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:26,532 INFO L93 Difference]: Finished difference Result 1257 states and 1810 transitions. [2020-08-21 16:34:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:34:26,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-08-21 16:34:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:26,541 INFO L225 Difference]: With dead ends: 1257 [2020-08-21 16:34:26,541 INFO L226 Difference]: Without dead ends: 842 [2020-08-21 16:34:26,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:34:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-08-21 16:34:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 836. [2020-08-21 16:34:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-08-21 16:34:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1150 transitions. [2020-08-21 16:34:26,594 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1150 transitions. Word has length 102 [2020-08-21 16:34:26,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:26,595 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 1150 transitions. [2020-08-21 16:34:26,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:34:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1150 transitions. [2020-08-21 16:34:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-21 16:34:26,602 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:26,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:26,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:34:26,603 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:26,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:26,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2020-08-21 16:34:26,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:26,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489307615] [2020-08-21 16:34:26,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:26,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:34:26,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489307615] [2020-08-21 16:34:26,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:34:26,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:34:26,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700907932] [2020-08-21 16:34:26,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:34:26,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:26,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:34:26,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:34:26,779 INFO L87 Difference]: Start difference. First operand 836 states and 1150 transitions. Second operand 8 states. [2020-08-21 16:34:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:28,729 INFO L93 Difference]: Finished difference Result 2812 states and 4153 transitions. [2020-08-21 16:34:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 16:34:28,730 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-08-21 16:34:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:28,745 INFO L225 Difference]: With dead ends: 2812 [2020-08-21 16:34:28,745 INFO L226 Difference]: Without dead ends: 1982 [2020-08-21 16:34:28,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 16:34:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-08-21 16:34:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-08-21 16:34:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-08-21 16:34:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-08-21 16:34:28,880 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 116 [2020-08-21 16:34:28,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:28,881 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-08-21 16:34:28,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:34:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-08-21 16:34:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-21 16:34:28,887 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:28,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 16:34:28,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:34:28,889 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2020-08-21 16:34:28,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:28,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160112370] [2020-08-21 16:34:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:28,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:29,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 16:34:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:34:29,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160112370] [2020-08-21 16:34:29,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:29,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:34:29,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516407622] [2020-08-21 16:34:29,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:34:29,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:29,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:34:29,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:34:29,059 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 7 states. [2020-08-21 16:34:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:30,414 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-08-21 16:34:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:34:30,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-08-21 16:34:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:30,428 INFO L225 Difference]: With dead ends: 3541 [2020-08-21 16:34:30,429 INFO L226 Difference]: Without dead ends: 2004 [2020-08-21 16:34:30,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:34:30,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-08-21 16:34:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-08-21 16:34:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-08-21 16:34:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-08-21 16:34:30,511 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 133 [2020-08-21 16:34:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:30,512 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-08-21 16:34:30,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:34:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-08-21 16:34:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-21 16:34:30,518 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:30,518 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:30,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:34:30,519 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:30,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:30,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2020-08-21 16:34:30,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:30,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633718652] [2020-08-21 16:34:30,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:34:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:34:30,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633718652] [2020-08-21 16:34:30,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:30,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:34:30,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324318943] [2020-08-21 16:34:30,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:34:30,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:30,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:34:30,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:34:30,780 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 7 states. [2020-08-21 16:34:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:32,165 INFO L93 Difference]: Finished difference Result 3954 states and 5341 transitions. [2020-08-21 16:34:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:34:32,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-21 16:34:32,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:32,182 INFO L225 Difference]: With dead ends: 3954 [2020-08-21 16:34:32,182 INFO L226 Difference]: Without dead ends: 2276 [2020-08-21 16:34:32,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:34:32,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2020-08-21 16:34:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 1847. [2020-08-21 16:34:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-08-21 16:34:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2416 transitions. [2020-08-21 16:34:32,251 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2416 transitions. Word has length 137 [2020-08-21 16:34:32,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:32,254 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2416 transitions. [2020-08-21 16:34:32,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:34:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2416 transitions. [2020-08-21 16:34:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-08-21 16:34:32,262 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:32,262 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:32,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 16:34:32,264 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2028131037, now seen corresponding path program 1 times [2020-08-21 16:34:32,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:32,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050711166] [2020-08-21 16:34:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:32,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:32,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:34:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-21 16:34:32,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050711166] [2020-08-21 16:34:32,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:32,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:34:32,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13324985] [2020-08-21 16:34:32,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:34:32,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:32,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:34:32,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:34:32,535 INFO L87 Difference]: Start difference. First operand 1847 states and 2416 transitions. Second operand 5 states. [2020-08-21 16:34:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:33,568 INFO L93 Difference]: Finished difference Result 3698 states and 4849 transitions. [2020-08-21 16:34:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:34:33,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-08-21 16:34:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:33,578 INFO L225 Difference]: With dead ends: 3698 [2020-08-21 16:34:33,578 INFO L226 Difference]: Without dead ends: 1857 [2020-08-21 16:34:33,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:34:33,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-08-21 16:34:33,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1706. [2020-08-21 16:34:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-08-21 16:34:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2118 transitions. [2020-08-21 16:34:33,639 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2118 transitions. Word has length 155 [2020-08-21 16:34:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:33,640 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 2118 transitions. [2020-08-21 16:34:33,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:34:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2118 transitions. [2020-08-21 16:34:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-08-21 16:34:33,646 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:33,646 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:33,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 16:34:33,646 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:33,647 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-08-21 16:34:33,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:33,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689775751] [2020-08-21 16:34:33,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:33,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:33,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 16:34:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:34:33,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689775751] [2020-08-21 16:34:33,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:33,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:34:33,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373111853] [2020-08-21 16:34:33,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:34:33,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:33,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:34:33,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:34:33,888 INFO L87 Difference]: Start difference. First operand 1706 states and 2118 transitions. Second operand 7 states. [2020-08-21 16:34:35,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:35,222 INFO L93 Difference]: Finished difference Result 4024 states and 5217 transitions. [2020-08-21 16:34:35,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:34:35,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-08-21 16:34:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:35,235 INFO L225 Difference]: With dead ends: 4024 [2020-08-21 16:34:35,236 INFO L226 Difference]: Without dead ends: 2324 [2020-08-21 16:34:35,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:34:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2020-08-21 16:34:35,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2149. [2020-08-21 16:34:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2020-08-21 16:34:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2715 transitions. [2020-08-21 16:34:35,315 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2715 transitions. Word has length 157 [2020-08-21 16:34:35,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:35,315 INFO L479 AbstractCegarLoop]: Abstraction has 2149 states and 2715 transitions. [2020-08-21 16:34:35,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:34:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2715 transitions. [2020-08-21 16:34:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-21 16:34:35,323 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:35,323 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:35,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 16:34:35,323 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:35,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:35,324 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2020-08-21 16:34:35,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:35,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234683523] [2020-08-21 16:34:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 16:34:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 16:34:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-21 16:34:35,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234683523] [2020-08-21 16:34:35,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:35,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:34:35,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595854790] [2020-08-21 16:34:35,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:34:35,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:35,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:34:35,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:34:35,614 INFO L87 Difference]: Start difference. First operand 2149 states and 2715 transitions. Second operand 7 states. [2020-08-21 16:34:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:37,106 INFO L93 Difference]: Finished difference Result 4715 states and 5963 transitions. [2020-08-21 16:34:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:34:37,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-08-21 16:34:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:37,119 INFO L225 Difference]: With dead ends: 4715 [2020-08-21 16:34:37,119 INFO L226 Difference]: Without dead ends: 2572 [2020-08-21 16:34:37,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:34:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2020-08-21 16:34:37,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2560. [2020-08-21 16:34:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2020-08-21 16:34:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3171 transitions. [2020-08-21 16:34:37,196 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3171 transitions. Word has length 173 [2020-08-21 16:34:37,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:37,196 INFO L479 AbstractCegarLoop]: Abstraction has 2560 states and 3171 transitions. [2020-08-21 16:34:37,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:34:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3171 transitions. [2020-08-21 16:34:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-21 16:34:37,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:37,205 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:37,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 16:34:37,205 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:37,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2020-08-21 16:34:37,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:37,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146070336] [2020-08-21 16:34:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 16:34:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 16:34:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 16:34:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-08-21 16:34:37,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146070336] [2020-08-21 16:34:37,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:37,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:34:37,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558477844] [2020-08-21 16:34:37,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:34:37,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:37,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:34:37,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:34:37,458 INFO L87 Difference]: Start difference. First operand 2560 states and 3171 transitions. Second operand 7 states. [2020-08-21 16:34:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:38,691 INFO L93 Difference]: Finished difference Result 5009 states and 6283 transitions. [2020-08-21 16:34:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:34:38,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-21 16:34:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:38,702 INFO L225 Difference]: With dead ends: 5009 [2020-08-21 16:34:38,702 INFO L226 Difference]: Without dead ends: 2590 [2020-08-21 16:34:38,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:34:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2020-08-21 16:34:38,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2292. [2020-08-21 16:34:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2292 states. [2020-08-21 16:34:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 2804 transitions. [2020-08-21 16:34:38,785 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 2804 transitions. Word has length 195 [2020-08-21 16:34:38,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:38,785 INFO L479 AbstractCegarLoop]: Abstraction has 2292 states and 2804 transitions. [2020-08-21 16:34:38,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:34:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2804 transitions. [2020-08-21 16:34:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 16:34:38,793 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:38,793 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:38,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 16:34:38,793 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:38,794 INFO L82 PathProgramCache]: Analyzing trace with hash 740758918, now seen corresponding path program 1 times [2020-08-21 16:34:38,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:38,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352286234] [2020-08-21 16:34:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:38,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:34:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 16:34:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-21 16:34:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-08-21 16:34:39,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352286234] [2020-08-21 16:34:39,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:34:39,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:34:39,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040768022] [2020-08-21 16:34:39,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:34:39,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:39,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:34:39,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:34:39,118 INFO L87 Difference]: Start difference. First operand 2292 states and 2804 transitions. Second operand 5 states. [2020-08-21 16:34:40,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:34:40,248 INFO L93 Difference]: Finished difference Result 4443 states and 5460 transitions. [2020-08-21 16:34:40,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:34:40,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-08-21 16:34:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:34:40,250 INFO L225 Difference]: With dead ends: 4443 [2020-08-21 16:34:40,250 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:34:40,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:34:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:34:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:34:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:34:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:34:40,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-21 16:34:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:34:40,262 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:34:40,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:34:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:34:40,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:34:40,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 16:34:40,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:34:40,809 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 125 [2020-08-21 16:34:40,974 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 125 [2020-08-21 16:34:41,842 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 48 [2020-08-21 16:34:42,260 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-08-21 16:34:42,600 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-08-21 16:34:42,604 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:34:42,605 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-21 16:34:42,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:34:42,605 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-21 16:34:42,605 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-21 16:34:42,605 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 16:34:42,606 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,607 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-21 16:34:42,608 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 16:34:42,609 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,610 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-21 16:34:42,611 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,612 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 16:34:42,613 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,614 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-21 16:34:42,615 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,616 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 16:34:42,617 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,618 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 16:34:42,619 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 16:34:42,620 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-21 16:34:42,620 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-21 16:34:42,620 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= |old(~a21~0)| 1)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= ~a20~0 |old(~a20~0)|)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a8~0 |old(~a8~0)|))) (let ((.cse1 (and .cse11 .cse6 .cse7 .cse8 .cse9 .cse10)) (.cse2 (= |old(~a17~0)| 1)) (.cse3 (not (= |old(~a20~0)| 1))) (.cse5 (not .cse4)) (.cse0 (not (<= |old(~a16~0)| 5)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 .cse1 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse1 .cse5) (or (and .cse6 .cse7 .cse8 .cse9 .cse10 (= ~a17~0 1)) (not .cse2) .cse3 .cse5) (or (= |old(~a8~0)| 13) .cse0 (and .cse11 .cse6 .cse8 .cse7 .cse9 .cse10))))) [2020-08-21 16:34:42,620 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-21 16:34:42,620 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,620 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-21 16:34:42,621 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-21 16:34:42,622 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-21 16:34:42,623 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-21 16:34:42,624 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 16:34:42,625 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-21 16:34:42,626 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-21 16:34:42,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:34:42,627 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a20~0 1) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-21 16:34:42,627 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:34:42,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:34:42,627 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1))) [2020-08-21 16:34:42,627 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-21 16:34:42,628 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 1))) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse2 (<= 15 ~a8~0)) (and .cse3 (not (= ~a8~0 13))) (and .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (and .cse3 (not .cse2)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1) (not (= |old(~a21~0)| 1)))) [2020-08-21 16:34:42,628 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 16:34:42,628 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 16:34:42,628 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 1))) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse2 (<= 15 ~a8~0)) (and .cse3 (not (= ~a8~0 13))) (and .cse3 .cse0) (not (<= 15 |old(~a8~0)|)) (and .cse3 (not .cse2)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1) (not (= |old(~a21~0)| 1)))) [2020-08-21 16:34:42,628 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-21 16:34:42,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:34:42 BoogieIcfgContainer [2020-08-21 16:34:42,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:34:42,653 INFO L168 Benchmark]: Toolchain (without parser) took 23826.14 ms. Allocated memory was 140.0 MB in the beginning and 573.0 MB in the end (delta: 433.1 MB). Free memory was 101.2 MB in the beginning and 456.1 MB in the end (delta: -354.9 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB. [2020-08-21 16:34:42,654 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 16:34:42,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.89 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-08-21 16:34:42,655 INFO L168 Benchmark]: Boogie Preprocessor took 140.86 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 16:34:42,656 INFO L168 Benchmark]: RCFGBuilder took 1305.79 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 180.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-08-21 16:34:42,657 INFO L168 Benchmark]: TraceAbstraction took 21568.88 ms. Allocated memory was 238.6 MB in the beginning and 573.0 MB in the end (delta: 334.5 MB). Free memory was 179.2 MB in the beginning and 456.1 MB in the end (delta: -276.8 MB). Peak memory consumption was 387.2 MB. Max. memory is 7.1 GB. [2020-08-21 16:34:42,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.89 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.86 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1305.79 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 180.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21568.88 ms. Allocated memory was 238.6 MB in the beginning and 573.0 MB in the end (delta: 334.5 MB). Free memory was 179.2 MB in the beginning and 456.1 MB in the end (delta: -276.8 MB). Peak memory consumption was 387.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((!(a17 == 1) && a20 == 1) || !(\old(a17) == 1)) || (a21 == 1 && 15 <= a8)) || (a16 <= 5 && !(a8 == 13))) || (a16 <= 5 && !(a17 == 1))) || !(15 <= \old(a8))) || (a16 <= 5 && !(a21 == 1))) || !(\old(a20) == 1)) || !(5 == \old(a16))) || (a21 == 1 && a20 == 1)) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 4573 SDslu, 393 SDs, 0 SdLazy, 8093 SolverSat, 1462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2560occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1854 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 129 PreInvPairs, 161 NumberOfFragments, 418 HoareAnnotationTreeSize, 129 FomulaSimplifications, 354940 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11399 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1567 NumberOfCodeBlocks, 1567 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1556 ConstructedInterpolants, 0 QuantifiedInterpolants, 613673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 688/734 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...