/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/Problem01_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:01:37,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:01:37,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:01:37,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:01:37,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:01:37,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:01:37,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:01:37,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:01:37,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:01:37,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:01:37,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:01:37,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:01:37,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:01:37,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:01:37,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:01:37,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:01:37,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:01:37,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:01:37,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:01:37,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:01:37,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:01:37,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:01:37,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:01:37,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:01:37,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 23:01:37,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:01:37,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:01:37,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:01:37,320 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 23:01:37,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:01:37,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:01:37,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:01:37,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:01:37,364 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:01:37,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:01:37,364 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:01:37,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:01:37,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:01:37,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:01:37,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:01:37,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:01:37,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:01:37,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:01:37,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:01:37,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:01:37,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:01:37,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:01:37,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:01:37,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:01:37,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:01:37,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:01:37,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:01:37,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:01:37,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:01:37,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:01:37,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:01:37,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:01:37,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:01:37,371 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 23:01:37,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:01:37,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:01:37,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:01:37,737 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:01:37,738 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:01:37,739 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52.c [2020-08-21 23:01:37,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e935e6d21/5a458955c1ce4eebab836a60e4f22026/FLAG4af9e4b64 [2020-08-21 23:01:38,435 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:01:38,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label52.c [2020-08-21 23:01:38,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e935e6d21/5a458955c1ce4eebab836a60e4f22026/FLAG4af9e4b64 [2020-08-21 23:01:38,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e935e6d21/5a458955c1ce4eebab836a60e4f22026 [2020-08-21 23:01:38,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:01:38,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:01:38,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:01:38,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:01:38,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:01:38,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:01:38" (1/1) ... [2020-08-21 23:01:38,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678b2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:38, skipping insertion in model container [2020-08-21 23:01:38,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:01:38" (1/1) ... [2020-08-21 23:01:38,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:01:38,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:01:39,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:01:39,283 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:01:39,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:01:39,468 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:01:39,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39 WrapperNode [2020-08-21 23:01:39,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:01:39,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:01:39,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:01:39,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:01:39,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (1/1) ... [2020-08-21 23:01:39,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:01:39,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:01:39,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:01:39,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:01:39,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (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 23:01:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:01:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:01:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 23:01:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:01:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 23:01:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:01:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:01:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 23:01:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:01:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:01:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:01:40,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:01:40,881 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 23:01:40,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:01:40 BoogieIcfgContainer [2020-08-21 23:01:40,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:01:40,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:01:40,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:01:40,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:01:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:01:38" (1/3) ... [2020-08-21 23:01:40,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1744403d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:01:40, skipping insertion in model container [2020-08-21 23:01:40,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:01:39" (2/3) ... [2020-08-21 23:01:40,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1744403d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:01:40, skipping insertion in model container [2020-08-21 23:01:40,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:01:40" (3/3) ... [2020-08-21 23:01:40,898 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label52.c [2020-08-21 23:01:40,910 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:01:40,919 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:01:40,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:01:40,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:01:40,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:01:40,963 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:01:40,963 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:01:40,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:01:40,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:01:40,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:01:40,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:01:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-21 23:01:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 23:01:41,005 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:01:41,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:01:41,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:01:41,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:01:41,015 INFO L82 PathProgramCache]: Analyzing trace with hash -421627906, now seen corresponding path program 1 times [2020-08-21 23:01:41,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:01:41,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042085567] [2020-08-21 23:01:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:01:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:01:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:41,730 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 23:01:41,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042085567] [2020-08-21 23:01:41,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:01:41,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:01:41,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499559461] [2020-08-21 23:01:41,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:01:41,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:01:41,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:01:41,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:01:41,767 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-21 23:01:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:01:44,068 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-08-21 23:01:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:01:44,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-21 23:01:44,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:01:44,103 INFO L225 Difference]: With dead ends: 698 [2020-08-21 23:01:44,103 INFO L226 Difference]: Without dead ends: 423 [2020-08-21 23:01:44,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:01:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-21 23:01:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-21 23:01:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-21 23:01:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 603 transitions. [2020-08-21 23:01:44,215 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 603 transitions. Word has length 132 [2020-08-21 23:01:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:01:44,216 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 603 transitions. [2020-08-21 23:01:44,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:01:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 603 transitions. [2020-08-21 23:01:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-21 23:01:44,223 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:01:44,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:01:44,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:01:44,224 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:01:44,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:01:44,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2116041099, now seen corresponding path program 1 times [2020-08-21 23:01:44,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:01:44,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917249398] [2020-08-21 23:01:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:01:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:44,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:01:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:01:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:01:44,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917249398] [2020-08-21 23:01:44,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:01:44,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 23:01:44,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325634618] [2020-08-21 23:01:44,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:01:44,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:01:44,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:01:44,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:01:44,512 INFO L87 Difference]: Start difference. First operand 417 states and 603 transitions. Second operand 5 states. [2020-08-21 23:01:45,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:01:45,724 INFO L93 Difference]: Finished difference Result 1245 states and 1839 transitions. [2020-08-21 23:01:45,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:01:45,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-08-21 23:01:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:01:45,732 INFO L225 Difference]: With dead ends: 1245 [2020-08-21 23:01:45,732 INFO L226 Difference]: Without dead ends: 834 [2020-08-21 23:01:45,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:01:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-21 23:01:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 693. [2020-08-21 23:01:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-08-21 23:01:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 955 transitions. [2020-08-21 23:01:45,785 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 955 transitions. Word has length 149 [2020-08-21 23:01:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:01:45,786 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 955 transitions. [2020-08-21 23:01:45,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:01:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 955 transitions. [2020-08-21 23:01:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-21 23:01:45,793 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:01:45,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:01:45,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:01:45,794 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:01:45,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:01:45,794 INFO L82 PathProgramCache]: Analyzing trace with hash 968546021, now seen corresponding path program 1 times [2020-08-21 23:01:45,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:01:45,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090422623] [2020-08-21 23:01:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:01:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:01:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:01:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:01:46,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090422623] [2020-08-21 23:01:46,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:01:46,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 23:01:46,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394180873] [2020-08-21 23:01:46,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:01:46,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:01:46,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:01:46,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:01:46,045 INFO L87 Difference]: Start difference. First operand 693 states and 955 transitions. Second operand 5 states. [2020-08-21 23:01:47,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:01:47,466 INFO L93 Difference]: Finished difference Result 2069 states and 2898 transitions. [2020-08-21 23:01:47,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:01:47,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-08-21 23:01:47,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:01:47,476 INFO L225 Difference]: With dead ends: 2069 [2020-08-21 23:01:47,476 INFO L226 Difference]: Without dead ends: 1382 [2020-08-21 23:01:47,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:01:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-08-21 23:01:47,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1106. [2020-08-21 23:01:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-08-21 23:01:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1436 transitions. [2020-08-21 23:01:47,540 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1436 transitions. Word has length 166 [2020-08-21 23:01:47,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:01:47,542 INFO L479 AbstractCegarLoop]: Abstraction has 1106 states and 1436 transitions. [2020-08-21 23:01:47,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:01:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1436 transitions. [2020-08-21 23:01:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 23:01:47,553 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:01:47,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 23:01:47,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:01:47,554 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:01:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:01:47,555 INFO L82 PathProgramCache]: Analyzing trace with hash -959177426, now seen corresponding path program 1 times [2020-08-21 23:01:47,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:01:47,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628386200] [2020-08-21 23:01:47,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:01:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:01:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:47,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:01:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 23:01:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:01:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-21 23:01:47,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628386200] [2020-08-21 23:01:47,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:01:47,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 23:01:47,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308307075] [2020-08-21 23:01:47,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 23:01:47,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:01:47,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 23:01:47,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:01:47,887 INFO L87 Difference]: Start difference. First operand 1106 states and 1436 transitions. Second operand 6 states. [2020-08-21 23:01:49,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:01:49,692 INFO L93 Difference]: Finished difference Result 3308 states and 4369 transitions. [2020-08-21 23:01:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:01:49,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 217 [2020-08-21 23:01:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:01:49,694 INFO L225 Difference]: With dead ends: 3308 [2020-08-21 23:01:49,694 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:01:49,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:01:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:01:49,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:01:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:01:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:01:49,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2020-08-21 23:01:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:01:49,704 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:01:49,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 23:01:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:01:49,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:01:49,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:01:49,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:01:50,216 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2020-08-21 23:01:50,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:01:50,305 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-21 23:01:50,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:01:50,305 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-21 23:01:50,305 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-21 23:01:50,306 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,307 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,307 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,308 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,308 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,308 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,308 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-21 23:01:50,308 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-21 23:01:50,309 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 23:01:50,309 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 23:01:50,309 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 23:01:50,309 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 23:01:50,310 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 23:01:50,310 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-21 23:01:50,310 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-21 23:01:50,310 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-21 23:01:50,310 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,311 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,311 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,311 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,311 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,312 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,312 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-21 23:01:50,312 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-21 23:01:50,312 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 23:01:50,312 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 23:01:50,313 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-21 23:01:50,313 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 23:01:50,313 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-21 23:01:50,313 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-21 23:01:50,313 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-21 23:01:50,314 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-21 23:01:50,315 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-21 23:01:50,316 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2020-08-21 23:01:50,317 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-21 23:01:50,319 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-21 23:01:50,319 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-21 23:01:50,319 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-21 23:01:50,319 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,321 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,322 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,323 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,323 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,323 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-21 23:01:50,323 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-21 23:01:50,326 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 23:01:50,328 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 23:01:50,329 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-21 23:01:50,329 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-21 23:01:50,329 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 23:01:50,329 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-21 23:01:50,329 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-21 23:01:50,330 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 23:01:50,338 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-21 23:01:50,338 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 23:01:50,339 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-21 23:01:50,339 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-21 23:01:50,339 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-21 23:01:50,339 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-21 23:01:50,339 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,340 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,343 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,343 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-21 23:01:50,343 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-21 23:01:50,343 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-21 23:01:50,343 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,344 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,345 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-21 23:01:50,346 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-21 23:01:50,347 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,348 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-21 23:01:50,349 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-21 23:01:50,350 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-21 23:01:50,350 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,350 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,350 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,351 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-21 23:01:50,352 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 23:01:50,353 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 23:01:50,353 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-21 23:01:50,353 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-21 23:01:50,353 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or .cse0 (not (<= |old(~a20~0)| 0))) (or (not (= |old(~a7~0)| 1)) .cse0) (or .cse0 (= 14 |old(~a8~0)|)) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|)))))) [2020-08-21 23:01:50,353 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-21 23:01:50,353 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-21 23:01:50,354 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-21 23:01:50,355 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-21 23:01:50,356 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-21 23:01:50,356 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-21 23:01:50,356 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,356 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,356 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,357 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,357 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,357 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-21 23:01:50,357 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,357 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-21 23:01:50,358 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-21 23:01:50,358 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 23:01:50,358 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-21 23:01:50,358 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 23:01:50,358 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 23:01:50,359 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 23:01:50,359 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 23:01:50,359 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-21 23:01:50,359 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-21 23:01:50,359 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-21 23:01:50,361 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-21 23:01:50,361 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-21 23:01:50,362 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-21 23:01:50,363 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,363 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,363 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,363 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,364 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,364 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 23:01:50,364 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-21 23:01:50,364 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-21 23:01:50,364 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 23:01:50,365 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 23:01:50,365 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 23:01:50,365 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-21 23:01:50,374 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 23:01:50,374 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-21 23:01:50,374 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-21 23:01:50,374 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-21 23:01:50,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:01:50,375 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 15 ~a8~0) [2020-08-21 23:01:50,375 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:01:50,375 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:01:50,375 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-08-21 23:01:50,375 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-21 23:01:50,378 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (= ~a7~0 1) (not (<= 15 |old(~a8~0)|)) (not (= 14 ~a8~0)) (= ~a16~0 4) (<= ~a20~0 0)) [2020-08-21 23:01:50,378 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 23:01:50,378 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 23:01:50,379 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= ~a7~0 1) (not (<= 15 |old(~a8~0)|)) (not (= 14 ~a8~0)) (= ~a16~0 4) (<= ~a20~0 0)) [2020-08-21 23:01:50,379 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-21 23:01:50,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:01:50 BoogieIcfgContainer [2020-08-21 23:01:50,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:01:50,414 INFO L168 Benchmark]: Toolchain (without parser) took 11694.58 ms. Allocated memory was 141.0 MB in the beginning and 361.8 MB in the end (delta: 220.7 MB). Free memory was 102.1 MB in the beginning and 191.9 MB in the end (delta: -89.8 MB). Peak memory consumption was 234.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:01:50,415 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 23:01:50,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.65 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.9 MB in the beginning and 167.0 MB in the end (delta: -65.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-08-21 23:01:50,419 INFO L168 Benchmark]: Boogie Preprocessor took 153.99 ms. Allocated memory is still 203.4 MB. Free memory was 167.0 MB in the beginning and 162.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:01:50,426 INFO L168 Benchmark]: RCFGBuilder took 1262.13 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 162.3 MB in the beginning and 174.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:01:50,427 INFO L168 Benchmark]: TraceAbstraction took 9522.17 ms. Allocated memory was 237.5 MB in the beginning and 361.8 MB in the end (delta: 124.3 MB). Free memory was 173.3 MB in the beginning and 191.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:01:50,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.65 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.9 MB in the beginning and 167.0 MB in the end (delta: -65.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.99 ms. Allocated memory is still 203.4 MB. Free memory was 167.0 MB in the beginning and 162.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.13 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 162.3 MB in the beginning and 174.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9522.17 ms. Allocated memory was 237.5 MB in the beginning and 361.8 MB in the end (delta: 124.3 MB). Free memory was 173.3 MB in the beginning and 191.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a7 == 1 || !(15 <= \old(a8))) || !(14 == a8)) || a16 == 4) || a20 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.7s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 115 SDtfs, 1378 SDslu, 85 SDs, 0 SdLazy, 3032 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1106occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 423 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 77 NumberOfFragments, 218 HoareAnnotationTreeSize, 41 FomulaSimplifications, 6750 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1192 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 377051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 135/139 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...