/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem02_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:54:06,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:54:06,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:54:06,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 03:54:06,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:54:06,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:54:06,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:54:06,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:54:06,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:54:06,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:54:06,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:54:06,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:54:06,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:54:06,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:54:06,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:54:06,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:54:06,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 03:54:06,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:54:06,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:54:06,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:54:06,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 03:54:06,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:54:06,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:54:06,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:54:06,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:54:06,845 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:54:06,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:54:06,846 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:54:06,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:54:06,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:54:06,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:54:06,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:54:06,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:54:06,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:54:06,848 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:54:06,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:54:06,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:54:06,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:54:06,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:54:06,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:54:06,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:54:06,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:54:06,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:54:06,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:54:06,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:54:06,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:54:06,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:54:06,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:54:06,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:54:06,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:54:06,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:54:07,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:54:07,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:54:07,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:54:07,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:54:07,214 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:54:07,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2020-08-22 03:54:07,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5f179dc1/e47cd3846340419ea6c8841a42a8ecad/FLAG5f5943bf3 [2020-08-22 03:54:07,917 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:54:07,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2020-08-22 03:54:07,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5f179dc1/e47cd3846340419ea6c8841a42a8ecad/FLAG5f5943bf3 [2020-08-22 03:54:08,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5f179dc1/e47cd3846340419ea6c8841a42a8ecad [2020-08-22 03:54:08,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:54:08,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:54:08,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:54:08,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:54:08,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:54:08,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e164ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08, skipping insertion in model container [2020-08-22 03:54:08,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:54:08,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:54:08,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:54:08,551 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:54:08,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:54:08,820 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:54:08,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08 WrapperNode [2020-08-22 03:54:08,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:54:08,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:54:08,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:54:08,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:54:08,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... [2020-08-22 03:54:08,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:54:08,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:54:08,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:54:08,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:54:08,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:54:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:54:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:54:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 03:54:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:54:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:54:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:54:10,214 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:54:10,215 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 03:54:10,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:54:10 BoogieIcfgContainer [2020-08-22 03:54:10,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:54:10,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:54:10,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:54:10,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:54:10,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:54:08" (1/3) ... [2020-08-22 03:54:10,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993485a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:54:10, skipping insertion in model container [2020-08-22 03:54:10,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:54:08" (2/3) ... [2020-08-22 03:54:10,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993485a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:54:10, skipping insertion in model container [2020-08-22 03:54:10,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:54:10" (3/3) ... [2020-08-22 03:54:10,239 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label31.c [2020-08-22 03:54:10,250 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:54:10,268 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:54:10,283 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:54:10,320 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:54:10,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:54:10,321 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:54:10,322 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:54:10,322 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:54:10,322 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:54:10,322 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:54:10,323 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:54:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 03:54:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-22 03:54:10,382 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:54:10,384 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] [2020-08-22 03:54:10,384 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:54:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:54:10,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1634450302, now seen corresponding path program 1 times [2020-08-22 03:54:10,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:54:10,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429322998] [2020-08-22 03:54:10,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:54:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:54:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:54:11,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429322998] [2020-08-22 03:54:11,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:54:11,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 03:54:11,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307019371] [2020-08-22 03:54:11,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 03:54:11,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:54:11,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 03:54:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:54:11,062 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 03:54:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:54:12,680 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-08-22 03:54:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 03:54:12,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-08-22 03:54:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:54:12,700 INFO L225 Difference]: With dead ends: 627 [2020-08-22 03:54:12,701 INFO L226 Difference]: Without dead ends: 327 [2020-08-22 03:54:12,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 03:54:12,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-22 03:54:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-08-22 03:54:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-22 03:54:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-08-22 03:54:12,788 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 122 [2020-08-22 03:54:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:54:12,789 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-08-22 03:54:12,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 03:54:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-08-22 03:54:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-22 03:54:12,795 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:54:12,795 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:54:12,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:54:12,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:54:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:54:12,797 INFO L82 PathProgramCache]: Analyzing trace with hash 200669667, now seen corresponding path program 1 times [2020-08-22 03:54:12,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:54:12,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867305739] [2020-08-22 03:54:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:54:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:54:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:54:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:54:13,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867305739] [2020-08-22 03:54:13,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:54:13,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 03:54:13,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406076784] [2020-08-22 03:54:13,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:54:13,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:54:13,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:54:13,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:54:13,040 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-08-22 03:54:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:54:14,003 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-08-22 03:54:14,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 03:54:14,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-08-22 03:54:14,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:54:14,011 INFO L225 Difference]: With dead ends: 635 [2020-08-22 03:54:14,011 INFO L226 Difference]: Without dead ends: 322 [2020-08-22 03:54:14,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:54:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-08-22 03:54:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-08-22 03:54:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-08-22 03:54:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-08-22 03:54:14,066 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 137 [2020-08-22 03:54:14,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:54:14,067 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-08-22 03:54:14,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:54:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-08-22 03:54:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-08-22 03:54:14,080 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:54:14,080 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:54:14,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:54:14,081 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:54:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:54:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash 683210902, now seen corresponding path program 1 times [2020-08-22 03:54:14,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:54:14,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464488027] [2020-08-22 03:54:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:54:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:14,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:54:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:54:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:54:14,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464488027] [2020-08-22 03:54:14,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:54:14,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 03:54:14,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191741977] [2020-08-22 03:54:14,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:54:14,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:54:14,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:54:14,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:54:14,302 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-08-22 03:54:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:54:16,309 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-08-22 03:54:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 03:54:16,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2020-08-22 03:54:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:54:16,316 INFO L225 Difference]: With dead ends: 1090 [2020-08-22 03:54:16,316 INFO L226 Difference]: Without dead ends: 786 [2020-08-22 03:54:16,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 03:54:16,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-08-22 03:54:16,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-08-22 03:54:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-22 03:54:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-08-22 03:54:16,363 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 144 [2020-08-22 03:54:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:54:16,364 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-08-22 03:54:16,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:54:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-08-22 03:54:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-08-22 03:54:16,368 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:54:16,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 03:54:16,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:54:16,369 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:54:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:54:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1328519679, now seen corresponding path program 1 times [2020-08-22 03:54:16,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:54:16,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139939836] [2020-08-22 03:54:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:54:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:16,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:54:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:54:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 03:54:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:54:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 03:54:16,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139939836] [2020-08-22 03:54:16,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:54:16,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 03:54:16,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044491741] [2020-08-22 03:54:16,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:54:16,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:54:16,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:54:16,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:54:16,595 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 8 states. [2020-08-22 03:54:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:54:18,415 INFO L93 Difference]: Finished difference Result 1674 states and 2264 transitions. [2020-08-22 03:54:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 03:54:18,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-08-22 03:54:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:54:18,416 INFO L225 Difference]: With dead ends: 1674 [2020-08-22 03:54:18,417 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 03:54:18,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-08-22 03:54:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 03:54:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 03:54:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 03:54:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 03:54:18,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-08-22 03:54:18,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:54:18,424 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 03:54:18,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:54:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 03:54:18,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:54:18,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:54:18,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 03:54:18,810 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-08-22 03:54:18,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:54:18,930 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 03:54:18,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,931 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 03:54:18,932 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,933 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 03:54:18,934 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 03:54:18,935 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 03:54:18,936 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 03:54:18,936 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 03:54:18,936 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 03:54:18,936 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,936 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,938 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,938 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,938 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,938 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 03:54:18,939 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,940 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 03:54:18,941 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 03:54:18,942 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 03:54:18,943 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,946 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,946 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,946 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,946 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,946 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 03:54:18,947 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 03:54:18,948 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 03:54:18,949 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 03:54:18,950 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 03:54:18,953 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,954 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 03:54:18,955 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,956 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 03:54:18,957 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,958 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,959 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,959 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (and (or .cse0 (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse3 (<= 8 ~a17~0) (<= ~a17~0 8) .cse4)) (or (= 8 |old(~a28~0)|) .cse0 (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4) (= 11 |old(~a28~0)|)))) [2020-08-22 03:54:18,959 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,959 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,959 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,959 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 03:54:18,960 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 03:54:18,961 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 03:54:18,961 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 03:54:18,961 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 03:54:18,964 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 03:54:18,965 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,966 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 03:54:18,967 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 03:54:18,968 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-08-22 03:54:18,969 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:54:18,969 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:54:18,969 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-22 03:54:18,969 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (<= 8 ~a17~0) .cse0) (and (not (= ~a28~0 8)) .cse0 (not (= ~a28~0 11))))) [2020-08-22 03:54:18,970 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 03:54:18,970 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 03:54:18,970 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (<= 8 ~a17~0) .cse0) (and (not (= ~a28~0 8)) .cse0 (not (= ~a28~0 11))))) [2020-08-22 03:54:18,970 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 03:54:18,970 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 03:54:18,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:54:18 BoogieIcfgContainer [2020-08-22 03:54:18,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:54:18,991 INFO L168 Benchmark]: Toolchain (without parser) took 10900.93 ms. Allocated memory was 142.1 MB in the beginning and 347.6 MB in the end (delta: 205.5 MB). Free memory was 102.4 MB in the beginning and 251.1 MB in the end (delta: -148.8 MB). Peak memory consumption was 211.9 MB. Max. memory is 7.1 GB. [2020-08-22 03:54:18,992 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 03:54:18,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.02 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 174.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-22 03:54:18,994 INFO L168 Benchmark]: Boogie Preprocessor took 119.20 ms. Allocated memory is still 206.6 MB. Free memory was 173.4 MB in the beginning and 168.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-22 03:54:18,995 INFO L168 Benchmark]: RCFGBuilder took 1287.07 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 168.8 MB in the beginning and 175.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-08-22 03:54:18,996 INFO L168 Benchmark]: TraceAbstraction took 8759.04 ms. Allocated memory was 234.9 MB in the beginning and 347.6 MB in the end (delta: 112.7 MB). Free memory was 174.4 MB in the beginning and 251.1 MB in the end (delta: -76.7 MB). Peak memory consumption was 191.2 MB. Max. memory is 7.1 GB. [2020-08-22 03:54:19,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.02 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 174.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.20 ms. Allocated memory is still 206.6 MB. Free memory was 173.4 MB in the beginning and 168.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.07 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 168.8 MB in the beginning and 175.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8759.04 ms. Allocated memory was 234.9 MB in the beginning and 347.6 MB in the end (delta: 112.7 MB). Free memory was 174.4 MB in the beginning and 251.1 MB in the end (delta: -76.7 MB). Peak memory consumption was 191.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(8 <= \old(a17))) || (8 <= a17 && a17 <= 8)) || ((!(a28 == 8) && a17 <= 8) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 2834 SDslu, 156 SDs, 0 SdLazy, 3064 SolverSat, 976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred 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, 192 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 23 PreInvPairs, 39 NumberOfFragments, 215 HoareAnnotationTreeSize, 23 FomulaSimplifications, 5596 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 627 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 228857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 65/73 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...