/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:02:57,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:02:57,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:02:57,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:02:57,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:02:57,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:02:57,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:02:57,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:02:57,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:02:57,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:02:57,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:02:57,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:02:57,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:02:57,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:02:57,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:02:57,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:02:57,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:02:57,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:02:57,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:02:57,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:02:57,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:02:57,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:02:57,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:02:57,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:02:57,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:02:57,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:02:57,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:02:57,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:02:57,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:02:57,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-21 23:02:57,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:02:57,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:02:57,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:02:57,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 23:02:57,554 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:02:57,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:02:57,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:02:57,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:02:57,558 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:02:57,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:02:57,559 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:02:57,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:02:57,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:02:57,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:02:57,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:02:57,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:02:57,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:02:57,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:02:57,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:02:57,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:02:57,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:02:57,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:02:57,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:02:57,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:02:57,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:02:57,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:02:57,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:02:57,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:02:57,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:02:57,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:02:57,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:02:57,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:02:57,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:02:57,564 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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-08-21 23:02:57,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:02:57,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:02:57,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:02:57,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:02:57,931 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:02:57,931 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-08-21 23:02:57,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ef96e44c/30ec71a4a35347958276db3aab5f3700/FLAG73482c927 [2020-08-21 23:02:58,553 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:02:58,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-08-21 23:02:58,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ef96e44c/30ec71a4a35347958276db3aab5f3700/FLAG73482c927 [2020-08-21 23:02:58,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ef96e44c/30ec71a4a35347958276db3aab5f3700 [2020-08-21 23:02:58,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:02:58,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:02:58,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:02:58,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:02:58,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:02:58,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:02:58" (1/1) ... [2020-08-21 23:02:58,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfcebea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:58, skipping insertion in model container [2020-08-21 23:02:58,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:02:58" (1/1) ... [2020-08-21 23:02:58,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:02:58,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:02:59,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:02:59,345 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:02:59,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:02:59,638 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:02:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59 WrapperNode [2020-08-21 23:02:59,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:02:59,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:02:59,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:02:59,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:02:59,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... [2020-08-21 23:02:59,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:02:59,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:02:59,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:02:59,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:02:59,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:02:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:02:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:02:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 23:02:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:02:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 23:02:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:02:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:02:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 23:02:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:02:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:02:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:03:01,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:03:01,186 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 23:03:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:03:01 BoogieIcfgContainer [2020-08-21 23:03:01,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:03:01,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:03:01,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:03:01,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:03:01,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:02:58" (1/3) ... [2020-08-21 23:03:01,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c90c594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:03:01, skipping insertion in model container [2020-08-21 23:03:01,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:02:59" (2/3) ... [2020-08-21 23:03:01,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c90c594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:03:01, skipping insertion in model container [2020-08-21 23:03:01,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:03:01" (3/3) ... [2020-08-21 23:03:01,202 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-08-21 23:03:01,213 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:03:01,224 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:03:01,238 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:03:01,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:03:01,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:03:01,275 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:03:01,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:03:01,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:03:01,276 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:03:01,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:03:01,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:03:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 23:03:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-21 23:03:01,324 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:01,326 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] [2020-08-21 23:03:01,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:01,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1575146953, now seen corresponding path program 1 times [2020-08-21 23:03:01,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:01,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999709189] [2020-08-21 23:03:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:01,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:01,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999709189] [2020-08-21 23:03:01,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:03:01,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 23:03:01,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098099350] [2020-08-21 23:03:01,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 23:03:01,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:01,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 23:03:01,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:03:01,824 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-21 23:03:03,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:03,423 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-21 23:03:03,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:03:03,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-08-21 23:03:03,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:03,443 INFO L225 Difference]: With dead ends: 596 [2020-08-21 23:03:03,443 INFO L226 Difference]: Without dead ends: 302 [2020-08-21 23:03:03,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:03:03,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-21 23:03:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-21 23:03:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-21 23:03:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-21 23:03:03,525 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 58 [2020-08-21 23:03:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:03,526 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-21 23:03:03,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 23:03:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-21 23:03:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 23:03:03,533 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:03,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:03,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:03:03,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:03,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:03,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2054791822, now seen corresponding path program 1 times [2020-08-21 23:03:03,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:03,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593698123] [2020-08-21 23:03:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:03,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:03,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593698123] [2020-08-21 23:03:03,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:03:03,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:03:03,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282826566] [2020-08-21 23:03:03,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:03:03,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:03,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:03:03,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:03:03,811 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-21 23:03:05,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:05,941 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-21 23:03:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 23:03:05,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-21 23:03:05,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:05,950 INFO L225 Difference]: With dead ends: 1198 [2020-08-21 23:03:05,951 INFO L226 Difference]: Without dead ends: 906 [2020-08-21 23:03:05,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 23:03:05,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-21 23:03:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-21 23:03:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-21 23:03:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-21 23:03:06,048 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 132 [2020-08-21 23:03:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:06,049 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-21 23:03:06,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:03:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-21 23:03:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-21 23:03:06,054 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:06,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:06,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:03:06,055 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash -2085474635, now seen corresponding path program 1 times [2020-08-21 23:03:06,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:06,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686570438] [2020-08-21 23:03:06,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:06,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:06,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686570438] [2020-08-21 23:03:06,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:06,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:03:06,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542920996] [2020-08-21 23:03:06,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:03:06,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:06,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:03:06,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:03:06,380 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-21 23:03:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:08,305 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-21 23:03:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 23:03:08,307 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-08-21 23:03:08,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:08,318 INFO L225 Difference]: With dead ends: 2397 [2020-08-21 23:03:08,318 INFO L226 Difference]: Without dead ends: 1482 [2020-08-21 23:03:08,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 23:03:08,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-21 23:03:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-21 23:03:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-21 23:03:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-21 23:03:08,412 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 137 [2020-08-21 23:03:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:08,414 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-21 23:03:08,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:03:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-21 23:03:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-21 23:03:08,424 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:08,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:08,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:03:08,425 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:08,426 INFO L82 PathProgramCache]: Analyzing trace with hash 641153941, now seen corresponding path program 1 times [2020-08-21 23:03:08,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:08,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31796590] [2020-08-21 23:03:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:08,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:08,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31796590] [2020-08-21 23:03:08,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:03:08,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:03:08,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350000464] [2020-08-21 23:03:08,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:03:08,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:08,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:03:08,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:03:08,681 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-21 23:03:10,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:10,261 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-21 23:03:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:03:10,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-08-21 23:03:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:10,279 INFO L225 Difference]: With dead ends: 3592 [2020-08-21 23:03:10,280 INFO L226 Difference]: Without dead ends: 2263 [2020-08-21 23:03:10,285 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 [2020-08-21 23:03:10,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-21 23:03:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-21 23:03:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-21 23:03:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-21 23:03:10,383 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 153 [2020-08-21 23:03:10,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:10,385 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-21 23:03:10,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:03:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-21 23:03:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-21 23:03:10,387 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:10,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:10,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:03:10,388 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1883378406, now seen corresponding path program 1 times [2020-08-21 23:03:10,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:10,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774799277] [2020-08-21 23:03:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:10,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:10,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774799277] [2020-08-21 23:03:10,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:03:10,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 23:03:10,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479639224] [2020-08-21 23:03:10,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:03:10,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:10,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:03:10,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:03:10,701 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-21 23:03:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:12,026 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-21 23:03:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 23:03:12,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-08-21 23:03:12,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:12,040 INFO L225 Difference]: With dead ends: 4023 [2020-08-21 23:03:12,041 INFO L226 Difference]: Without dead ends: 2098 [2020-08-21 23:03:12,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:03:12,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-21 23:03:12,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-21 23:03:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-21 23:03:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-21 23:03:12,154 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 154 [2020-08-21 23:03:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:12,154 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-21 23:03:12,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:03:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-21 23:03:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-21 23:03:12,159 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:12,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:12,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:03:12,164 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1913054291, now seen corresponding path program 1 times [2020-08-21 23:03:12,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:12,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191076122] [2020-08-21 23:03:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:12,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:03:12,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191076122] [2020-08-21 23:03:12,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:12,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:03:12,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409856445] [2020-08-21 23:03:12,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:03:12,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:12,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:03:12,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:03:12,431 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 7 states. [2020-08-21 23:03:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:14,577 INFO L93 Difference]: Finished difference Result 2962 states and 4013 transitions. [2020-08-21 23:03:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:03:14,578 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-08-21 23:03:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:14,593 INFO L225 Difference]: With dead ends: 2962 [2020-08-21 23:03:14,594 INFO L226 Difference]: Without dead ends: 2960 [2020-08-21 23:03:14,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:03:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2020-08-21 23:03:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2088. [2020-08-21 23:03:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2088 states. [2020-08-21 23:03:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2813 transitions. [2020-08-21 23:03:14,673 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2813 transitions. Word has length 173 [2020-08-21 23:03:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:14,673 INFO L479 AbstractCegarLoop]: Abstraction has 2088 states and 2813 transitions. [2020-08-21 23:03:14,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:03:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2813 transitions. [2020-08-21 23:03:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-08-21 23:03:14,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:14,680 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, 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] [2020-08-21 23:03:14,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 23:03:14,681 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:14,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:14,682 INFO L82 PathProgramCache]: Analyzing trace with hash -50393598, now seen corresponding path program 1 times [2020-08-21 23:03:14,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:14,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575431475] [2020-08-21 23:03:14,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:14,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:14,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 23:03:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:03:15,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575431475] [2020-08-21 23:03:15,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:15,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 23:03:15,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663077646] [2020-08-21 23:03:15,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 23:03:15,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:15,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 23:03:15,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-21 23:03:15,470 INFO L87 Difference]: Start difference. First operand 2088 states and 2813 transitions. Second operand 12 states. [2020-08-21 23:03:17,211 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-08-21 23:03:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:19,172 INFO L93 Difference]: Finished difference Result 4343 states and 5920 transitions. [2020-08-21 23:03:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-21 23:03:19,173 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 247 [2020-08-21 23:03:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:19,185 INFO L225 Difference]: With dead ends: 4343 [2020-08-21 23:03:19,185 INFO L226 Difference]: Without dead ends: 2404 [2020-08-21 23:03:19,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2020-08-21 23:03:19,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-08-21 23:03:19,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2386. [2020-08-21 23:03:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-08-21 23:03:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3161 transitions. [2020-08-21 23:03:19,254 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3161 transitions. Word has length 247 [2020-08-21 23:03:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:19,255 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 3161 transitions. [2020-08-21 23:03:19,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 23:03:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3161 transitions. [2020-08-21 23:03:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-08-21 23:03:19,262 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:19,262 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 23:03:19,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 23:03:19,263 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1067229009, now seen corresponding path program 1 times [2020-08-21 23:03:19,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:19,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999544039] [2020-08-21 23:03:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:19,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 23:03:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:03:19,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999544039] [2020-08-21 23:03:19,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:19,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 23:03:19,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855845925] [2020-08-21 23:03:19,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:03:19,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:03:19,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:03:19,763 INFO L87 Difference]: Start difference. First operand 2386 states and 3161 transitions. Second operand 9 states. [2020-08-21 23:03:22,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:22,411 INFO L93 Difference]: Finished difference Result 5078 states and 6816 transitions. [2020-08-21 23:03:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 23:03:22,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 292 [2020-08-21 23:03:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:22,426 INFO L225 Difference]: With dead ends: 5078 [2020-08-21 23:03:22,426 INFO L226 Difference]: Without dead ends: 2841 [2020-08-21 23:03:22,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-08-21 23:03:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2020-08-21 23:03:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2835. [2020-08-21 23:03:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2835 states. [2020-08-21 23:03:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3708 transitions. [2020-08-21 23:03:22,510 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3708 transitions. Word has length 292 [2020-08-21 23:03:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:22,511 INFO L479 AbstractCegarLoop]: Abstraction has 2835 states and 3708 transitions. [2020-08-21 23:03:22,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:03:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3708 transitions. [2020-08-21 23:03:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-08-21 23:03:22,524 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:22,525 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:22,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 23:03:22,525 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:22,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:22,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1405230736, now seen corresponding path program 1 times [2020-08-21 23:03:22,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:22,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5486623] [2020-08-21 23:03:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:22,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:22,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:22,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 23:03:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-21 23:03:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 336 proven. 8 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-08-21 23:03:23,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5486623] [2020-08-21 23:03:23,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:23,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 23:03:23,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75002940] [2020-08-21 23:03:23,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:03:23,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:23,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:03:23,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:03:23,070 INFO L87 Difference]: Start difference. First operand 2835 states and 3708 transitions. Second operand 9 states. [2020-08-21 23:03:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:26,327 INFO L93 Difference]: Finished difference Result 6818 states and 8969 transitions. [2020-08-21 23:03:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 23:03:26,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 364 [2020-08-21 23:03:26,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:26,350 INFO L225 Difference]: With dead ends: 6818 [2020-08-21 23:03:26,350 INFO L226 Difference]: Without dead ends: 3240 [2020-08-21 23:03:26,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-21 23:03:26,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2020-08-21 23:03:26,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2378. [2020-08-21 23:03:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2378 states. [2020-08-21 23:03:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 2771 transitions. [2020-08-21 23:03:26,425 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 2771 transitions. Word has length 364 [2020-08-21 23:03:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:26,426 INFO L479 AbstractCegarLoop]: Abstraction has 2378 states and 2771 transitions. [2020-08-21 23:03:26,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:03:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2771 transitions. [2020-08-21 23:03:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-21 23:03:26,440 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:03:26,441 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:03:26,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 23:03:26,441 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:03:26,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:03:26,442 INFO L82 PathProgramCache]: Analyzing trace with hash -847886279, now seen corresponding path program 1 times [2020-08-21 23:03:26,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:03:26,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730565812] [2020-08-21 23:03:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:03:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:03:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:26,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:03:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:26,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 23:03:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:26,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-21 23:03:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:03:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-08-21 23:03:26,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730565812] [2020-08-21 23:03:26,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:03:26,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 23:03:26,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740000724] [2020-08-21 23:03:26,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:03:26,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:03:26,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:03:26,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:03:26,885 INFO L87 Difference]: Start difference. First operand 2378 states and 2771 transitions. Second operand 5 states. [2020-08-21 23:03:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:03:28,025 INFO L93 Difference]: Finished difference Result 4462 states and 5234 transitions. [2020-08-21 23:03:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:03:28,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-08-21 23:03:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:03:28,027 INFO L225 Difference]: With dead ends: 4462 [2020-08-21 23:03:28,027 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:03:28,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:03:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:03:28,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:03:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:03:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:03:28,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2020-08-21 23:03:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:03:28,036 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:03:28,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:03:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:03:28,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:03:28,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 23:03:28,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:03:28,380 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2020-08-21 23:03:28,494 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2020-08-21 23:03:29,096 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 41 [2020-08-21 23:03:29,370 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2020-08-21 23:03:29,653 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2020-08-21 23:03:29,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:03:29,657 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)|)) [2020-08-21 23:03:29,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:03:29,657 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,658 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,659 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 23:03:29,659 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 23:03:29,659 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 23:03:29,659 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 23:03:29,659 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 23:03:29,660 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 23:03:29,661 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 23:03:29,662 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 23:03:29,663 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,664 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 23:03:29,665 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 23:03:29,666 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 23:03:29,667 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 23:03:29,668 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,669 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 23:03:29,670 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,671 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 23:03:29,672 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 23:03:29,673 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse4 (= 3 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or (= 6 |old(~a19~0)|) .cse0 .cse1 .cse2 .cse3) (or (not .cse4) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 .cse2 .cse3) (or (not (<= 10 |old(~a19~0)|)) .cse0 .cse4 .cse2 .cse3))) [2020-08-21 23:03:29,673 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,674 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 23:03:29,675 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,676 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 23:03:29,677 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 23:03:29,678 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:03:29,679 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 23:03:29,680 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 23:03:29,681 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 23:03:29,681 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 23:03:29,681 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 23:03:29,681 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:03:29,681 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 23:03:29,681 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:03:29,681 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:03:29,682 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)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-21 23:03:29,682 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 23:03:29,682 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= ~a10~0 3))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (not (= ~a19~0 6))) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-21 23:03:29,682 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 23:03:29,682 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 23:03:29,683 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= ~a10~0 3))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (not (= ~a19~0 6))) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-21 23:03:29,683 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 23:03:29,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:03:29 BoogieIcfgContainer [2020-08-21 23:03:29,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:03:29,709 INFO L168 Benchmark]: Toolchain (without parser) took 30865.97 ms. Allocated memory was 142.6 MB in the beginning and 596.6 MB in the end (delta: 454.0 MB). Free memory was 104.0 MB in the beginning and 543.0 MB in the end (delta: -439.0 MB). Peak memory consumption was 468.2 MB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,710 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.22 ms. Allocated memory was 142.6 MB in the beginning and 206.6 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 172.7 MB in the end (delta: -69.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,712 INFO L168 Benchmark]: Boogie Preprocessor took 114.85 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 168.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,713 INFO L168 Benchmark]: RCFGBuilder took 1435.93 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 175.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,714 INFO L168 Benchmark]: TraceAbstraction took 28513.75 ms. Allocated memory was 236.5 MB in the beginning and 596.6 MB in the end (delta: 360.2 MB). Free memory was 175.5 MB in the beginning and 543.0 MB in the end (delta: -367.4 MB). Peak memory consumption was 445.9 MB. Max. memory is 7.1 GB. [2020-08-21 23:03:29,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 796.22 ms. Allocated memory was 142.6 MB in the beginning and 206.6 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 172.7 MB in the end (delta: -69.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.85 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 168.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1435.93 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 175.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28513.75 ms. Allocated memory was 236.5 MB in the beginning and 596.6 MB in the end (delta: 360.2 MB). Free memory was 175.5 MB in the beginning and 543.0 MB in the end (delta: -367.4 MB). Peak memory consumption was 445.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((!(23 <= \old(a1)) || (a19 <= 9 && a1 <= 23)) || !(\old(a10) <= 0)) || (a10 == 3 && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (!(a10 == 3) && !(a19 == 6))) || !(14 == a4)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 7167 SDslu, 392 SDs, 0 SdLazy, 12092 SolverSat, 2145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2835occurred in iteration=8, 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, 2124 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 169 NumberOfFragments, 292 HoareAnnotationTreeSize, 121 FomulaSimplifications, 16106 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4647 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2079 NumberOfCodeBlocks, 2079 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2069 ConstructedInterpolants, 0 QuantifiedInterpolants, 1501053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1442/1478 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...