/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:32:23,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:32:23,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:32:23,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:32:23,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:32:23,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:32:23,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:32:23,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:32:23,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:32:23,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:32:23,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:32:23,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:32:23,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:32:23,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:32:23,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:32:23,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:32:23,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:32:23,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:32:23,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:32:23,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:32:23,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:32:23,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:32:23,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:32:23,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:32:23,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 05:32:23,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:32:23,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:32:23,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:32:23,090 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 [2020-08-22 05:32:23,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:32:23,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:32:23,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:32:23,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:32:23,117 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:32:23,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:32:23,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:32:23,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:32:23,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:32:23,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:32:23,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:32:23,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:32:23,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:32:23,119 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:32:23,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:32:23,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:32:23,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:32:23,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:32:23,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:32:23,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:32:23,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:32:23,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:32:23,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:32:23,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:32:23,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:32:23,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:32:23,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:32:23,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:32:23,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:32:23,122 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:32:23,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:32:23,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:32:23,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:32:23,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:32:23,484 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:32:23,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-08-22 05:32:23,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9f0e4a7/c793f143b6d94e878fb02bb931b4a17f/FLAG3033c7950 [2020-08-22 05:32:24,120 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:32:24,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-08-22 05:32:24,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9f0e4a7/c793f143b6d94e878fb02bb931b4a17f/FLAG3033c7950 [2020-08-22 05:32:24,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9f0e4a7/c793f143b6d94e878fb02bb931b4a17f [2020-08-22 05:32:24,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:32:24,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:32:24,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:32:24,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:32:24,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:32:24,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:32:24" (1/1) ... [2020-08-22 05:32:24,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb9461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:24, skipping insertion in model container [2020-08-22 05:32:24,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:32:24" (1/1) ... [2020-08-22 05:32:24,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:32:24,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:32:24,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:32:24,884 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:32:25,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:32:25,195 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:32:25,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25 WrapperNode [2020-08-22 05:32:25,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:32:25,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:32:25,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:32:25,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:32:25,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (1/1) ... [2020-08-22 05:32:25,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:32:25,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:32:25,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:32:25,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:32:25,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (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 [2020-08-22 05:32:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:32:25,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:32:25,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 05:32:25,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:32:25,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 05:32:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:32:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:32:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 05:32:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:32:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:32:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:32:26,780 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:32:26,780 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 05:32:26,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:32:26 BoogieIcfgContainer [2020-08-22 05:32:26,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:32:26,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:32:26,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:32:26,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:32:26,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:32:24" (1/3) ... [2020-08-22 05:32:26,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dbe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:32:26, skipping insertion in model container [2020-08-22 05:32:26,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:32:25" (2/3) ... [2020-08-22 05:32:26,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dbe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:32:26, skipping insertion in model container [2020-08-22 05:32:26,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:32:26" (3/3) ... [2020-08-22 05:32:26,797 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-08-22 05:32:26,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:32:26,817 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:32:26,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:32:26,861 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:32:26,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:32:26,862 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:32:26,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:32:26,862 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:32:26,862 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:32:26,862 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:32:26,863 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:32:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 05:32:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 05:32:26,898 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:26,899 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] [2020-08-22 05:32:26,900 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:26,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash -864026194, now seen corresponding path program 1 times [2020-08-22 05:32:26,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:26,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994885402] [2020-08-22 05:32:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:27,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:32:27,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994885402] [2020-08-22 05:32:27,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:32:27,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 05:32:27,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112786239] [2020-08-22 05:32:27,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:32:27,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:27,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:32:27,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:32:27,396 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-22 05:32:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:29,643 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-22 05:32:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:32:29,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-08-22 05:32:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:29,665 INFO L225 Difference]: With dead ends: 730 [2020-08-22 05:32:29,666 INFO L226 Difference]: Without dead ends: 447 [2020-08-22 05:32:29,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:32:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-22 05:32:29,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-22 05:32:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 05:32:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-22 05:32:29,772 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 69 [2020-08-22 05:32:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:29,773 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-22 05:32:29,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:32:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-22 05:32:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-22 05:32:29,781 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:29,782 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 05:32:29,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:32:29,783 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:29,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:29,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2100322626, now seen corresponding path program 1 times [2020-08-22 05:32:29,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:29,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447723331] [2020-08-22 05:32:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:29,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:30,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:32:30,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447723331] [2020-08-22 05:32:30,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:32:30,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 05:32:30,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866657858] [2020-08-22 05:32:30,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:32:30,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:30,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:32:30,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:32:30,182 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-22 05:32:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:32,336 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-22 05:32:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 05:32:32,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-08-22 05:32:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:32,347 INFO L225 Difference]: With dead ends: 1490 [2020-08-22 05:32:32,348 INFO L226 Difference]: Without dead ends: 1055 [2020-08-22 05:32:32,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-22 05:32:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-22 05:32:32,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-22 05:32:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-22 05:32:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-22 05:32:32,414 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 151 [2020-08-22 05:32:32,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:32,415 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-22 05:32:32,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:32:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-22 05:32:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-08-22 05:32:32,422 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:32,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 05:32:32,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:32:32,425 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:32,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1954765038, now seen corresponding path program 1 times [2020-08-22 05:32:32,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:32,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9427886] [2020-08-22 05:32:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:32,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:32:32,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9427886] [2020-08-22 05:32:32,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:32:32,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 05:32:32,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139939836] [2020-08-22 05:32:32,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:32:32,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:32:32,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:32:32,805 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-22 05:32:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:34,330 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-22 05:32:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:32:34,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-08-22 05:32:34,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:34,340 INFO L225 Difference]: With dead ends: 1822 [2020-08-22 05:32:34,340 INFO L226 Difference]: Without dead ends: 1083 [2020-08-22 05:32:34,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 05:32:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-22 05:32:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-22 05:32:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-22 05:32:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-22 05:32:34,386 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 191 [2020-08-22 05:32:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:34,387 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-22 05:32:34,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:32:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-22 05:32:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-08-22 05:32:34,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:34,396 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 05:32:34,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:32:34,396 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:34,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1296496030, now seen corresponding path program 1 times [2020-08-22 05:32:34,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:34,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166699240] [2020-08-22 05:32:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:34,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 05:32:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 05:32:34,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166699240] [2020-08-22 05:32:34,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:34,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:32:34,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033262014] [2020-08-22 05:32:34,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:32:34,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:34,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:32:34,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:32:34,688 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-22 05:32:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:36,232 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-22 05:32:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 05:32:36,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-08-22 05:32:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:36,243 INFO L225 Difference]: With dead ends: 2563 [2020-08-22 05:32:36,244 INFO L226 Difference]: Without dead ends: 1514 [2020-08-22 05:32:36,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 05:32:36,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-22 05:32:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-08-22 05:32:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-22 05:32:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-08-22 05:32:36,292 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 237 [2020-08-22 05:32:36,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:36,293 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-08-22 05:32:36,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:32:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-08-22 05:32:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-22 05:32:36,299 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:36,299 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 05:32:36,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:32:36,300 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1124899605, now seen corresponding path program 1 times [2020-08-22 05:32:36,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:36,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025951401] [2020-08-22 05:32:36,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:36,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-22 05:32:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 124 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 05:32:36,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025951401] [2020-08-22 05:32:36,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:36,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:32:36,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731901970] [2020-08-22 05:32:36,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:32:36,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:36,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:32:36,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:32:36,654 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-08-22 05:32:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:38,040 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-08-22 05:32:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:32:38,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-08-22 05:32:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:38,050 INFO L225 Difference]: With dead ends: 2587 [2020-08-22 05:32:38,050 INFO L226 Difference]: Without dead ends: 1387 [2020-08-22 05:32:38,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:32:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-08-22 05:32:38,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-08-22 05:32:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-22 05:32:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-08-22 05:32:38,140 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 238 [2020-08-22 05:32:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:38,140 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-08-22 05:32:38,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:32:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-08-22 05:32:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-08-22 05:32:38,149 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:38,150 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:38,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:32:38,151 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:38,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:38,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1587839886, now seen corresponding path program 1 times [2020-08-22 05:32:38,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:38,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001300402] [2020-08-22 05:32:38,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:38,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 05:32:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-22 05:32:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 194 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 05:32:38,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001300402] [2020-08-22 05:32:38,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:38,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 05:32:38,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814664493] [2020-08-22 05:32:38,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 05:32:38,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:38,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 05:32:38,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:32:38,805 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-08-22 05:32:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:43,038 INFO L93 Difference]: Finished difference Result 4330 states and 5676 transitions. [2020-08-22 05:32:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 05:32:43,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 317 [2020-08-22 05:32:43,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:43,060 INFO L225 Difference]: With dead ends: 4330 [2020-08-22 05:32:43,060 INFO L226 Difference]: Without dead ends: 3246 [2020-08-22 05:32:43,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-08-22 05:32:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2020-08-22 05:32:43,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 2231. [2020-08-22 05:32:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-08-22 05:32:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-08-22 05:32:43,165 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 317 [2020-08-22 05:32:43,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:43,166 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-08-22 05:32:43,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 05:32:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-08-22 05:32:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-08-22 05:32:43,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:43,177 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:43,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 05:32:43,178 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:43,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:43,179 INFO L82 PathProgramCache]: Analyzing trace with hash 533109226, now seen corresponding path program 1 times [2020-08-22 05:32:43,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:43,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017914210] [2020-08-22 05:32:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:43,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 05:32:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:43,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-22 05:32:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 272 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 05:32:43,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017914210] [2020-08-22 05:32:43,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:43,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 05:32:43,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706242646] [2020-08-22 05:32:43,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 05:32:43,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:43,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 05:32:43,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:32:43,907 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-08-22 05:32:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:47,370 INFO L93 Difference]: Finished difference Result 4486 states and 5997 transitions. [2020-08-22 05:32:47,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 05:32:47,371 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 353 [2020-08-22 05:32:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:47,385 INFO L225 Difference]: With dead ends: 4486 [2020-08-22 05:32:47,386 INFO L226 Difference]: Without dead ends: 2404 [2020-08-22 05:32:47,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-08-22 05:32:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-08-22 05:32:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2235. [2020-08-22 05:32:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-22 05:32:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-08-22 05:32:47,510 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 353 [2020-08-22 05:32:47,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:47,511 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-08-22 05:32:47,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 05:32:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-08-22 05:32:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-08-22 05:32:47,525 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:47,526 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:47,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 05:32:47,527 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:47,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:47,527 INFO L82 PathProgramCache]: Analyzing trace with hash 897871321, now seen corresponding path program 1 times [2020-08-22 05:32:47,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:47,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584459250] [2020-08-22 05:32:47,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 05:32:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 05:32:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 349 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-08-22 05:32:47,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584459250] [2020-08-22 05:32:47,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:47,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:32:47,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176484326] [2020-08-22 05:32:47,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:32:47,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:47,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:32:47,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:32:47,974 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-08-22 05:32:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:49,766 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-08-22 05:32:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:32:49,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 372 [2020-08-22 05:32:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:49,785 INFO L225 Difference]: With dead ends: 5209 [2020-08-22 05:32:49,785 INFO L226 Difference]: Without dead ends: 3123 [2020-08-22 05:32:49,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:32:49,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-08-22 05:32:49,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-08-22 05:32:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-08-22 05:32:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-08-22 05:32:49,873 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 372 [2020-08-22 05:32:49,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:49,874 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-08-22 05:32:49,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:32:49,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-08-22 05:32:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-08-22 05:32:49,886 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:49,887 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:49,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 05:32:49,887 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:49,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:49,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1435734617, now seen corresponding path program 1 times [2020-08-22 05:32:49,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:49,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558618420] [2020-08-22 05:32:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:50,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:50,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 05:32:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:50,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-22 05:32:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 275 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-08-22 05:32:50,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558618420] [2020-08-22 05:32:50,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:50,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:32:50,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138242681] [2020-08-22 05:32:50,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 05:32:50,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:50,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 05:32:50,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:32:50,484 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-08-22 05:32:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:55,262 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-08-22 05:32:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 05:32:55,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 376 [2020-08-22 05:32:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:55,280 INFO L225 Difference]: With dead ends: 6369 [2020-08-22 05:32:55,280 INFO L226 Difference]: Without dead ends: 3556 [2020-08-22 05:32:55,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-08-22 05:32:55,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-22 05:32:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-08-22 05:32:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-08-22 05:32:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-08-22 05:32:55,382 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 376 [2020-08-22 05:32:55,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:55,383 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-08-22 05:32:55,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 05:32:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-08-22 05:32:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-08-22 05:32:55,396 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:55,397 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:55,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 05:32:55,397 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:55,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:55,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1555510269, now seen corresponding path program 1 times [2020-08-22 05:32:55,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:55,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714903800] [2020-08-22 05:32:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:55,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 05:32:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:55,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 05:32:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 363 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-22 05:32:55,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714903800] [2020-08-22 05:32:55,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:55,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 05:32:55,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95900679] [2020-08-22 05:32:55,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 05:32:55,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:55,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 05:32:55,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:32:55,968 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-08-22 05:32:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:59,640 INFO L93 Difference]: Finished difference Result 7110 states and 9019 transitions. [2020-08-22 05:32:59,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 05:32:59,641 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 378 [2020-08-22 05:32:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:59,642 INFO L225 Difference]: With dead ends: 7110 [2020-08-22 05:32:59,642 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 05:32:59,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-08-22 05:32:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 05:32:59,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 05:32:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 05:32:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 05:32:59,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-08-22 05:32:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:59,660 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 05:32:59,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 05:32:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 05:32:59,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 05:32:59,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 05:32:59,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 05:33:00,145 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 143 [2020-08-22 05:33:00,277 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 143 [2020-08-22 05:33:01,460 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 229 DAG size of output: 41 [2020-08-22 05:33:02,083 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 53 [2020-08-22 05:33:02,686 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 53 [2020-08-22 05:33:02,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:33:02,693 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 05:33:02,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:33:02,693 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 05:33:02,694 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 05:33:02,695 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 05:33:02,696 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 05:33:02,697 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 05:33:02,697 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 05:33:02,697 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 05:33:02,697 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 05:33:02,698 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 05:33:02,699 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-08-22 05:33:02,699 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 05:33:02,699 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,699 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,700 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,700 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,700 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,700 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 05:33:02,700 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 05:33:02,701 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 05:33:02,702 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 05:33:02,702 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,702 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,702 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 05:33:02,704 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 05:33:02,705 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 05:33:02,706 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,707 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 05:33:02,708 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 05:33:02,709 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 05:33:02,710 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 05:33:02,711 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 05:33:02,712 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 05:33:02,713 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 05:33:02,713 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 05:33:02,713 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,714 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 05:33:02,715 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 05:33:02,716 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 05:33:02,716 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 05:33:02,716 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 05:33:02,716 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 05:33:02,716 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 05:33:02,717 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,718 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 05:33:02,719 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 05:33:02,720 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,721 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,721 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,721 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,721 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,721 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 05:33:02,722 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,723 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 05:33:02,724 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:33:02,725 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 05:33:02,725 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 05:33:02,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:33:02,726 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-22 05:33:02,726 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 05:33:02,726 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-22 05:33:02,726 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 05:33:02,726 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 05:33:02,727 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-22 05:33:02,727 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 05:33:02,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:33:02 BoogieIcfgContainer [2020-08-22 05:33:02,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:33:02,764 INFO L168 Benchmark]: Toolchain (without parser) took 38364.75 ms. Allocated memory was 148.4 MB in the beginning and 606.1 MB in the end (delta: 457.7 MB). Free memory was 102.6 MB in the beginning and 529.9 MB in the end (delta: -427.4 MB). Peak memory consumption was 451.2 MB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,765 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.16 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 173.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,771 INFO L168 Benchmark]: Boogie Preprocessor took 116.91 ms. Allocated memory is still 206.6 MB. Free memory was 173.4 MB in the beginning and 168.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,775 INFO L168 Benchmark]: RCFGBuilder took 1475.25 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.6 MB in the beginning and 178.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,776 INFO L168 Benchmark]: TraceAbstraction took 35970.35 ms. Allocated memory was 235.9 MB in the beginning and 606.1 MB in the end (delta: 370.1 MB). Free memory was 177.0 MB in the beginning and 529.9 MB in the end (delta: -353.0 MB). Peak memory consumption was 438.0 MB. Max. memory is 7.1 GB. [2020-08-22 05:33:02,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.16 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 173.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.91 ms. Allocated memory is still 206.6 MB. Free memory was 173.4 MB in the beginning and 168.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1475.25 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.6 MB in the beginning and 178.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35970.35 ms. Allocated memory was 235.9 MB in the beginning and 606.1 MB in the end (delta: 370.1 MB). Free memory was 177.0 MB in the beginning and 529.9 MB in the end (delta: -353.0 MB). Peak memory consumption was 438.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 314 SDtfs, 6702 SDslu, 500 SDs, 0 SdLazy, 14721 SolverSat, 2495 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2327 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 192 NumberOfFragments, 384 HoareAnnotationTreeSize, 134 FomulaSimplifications, 45078 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14159 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2682 NumberOfCodeBlocks, 2682 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2672 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 2152/2707 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...