/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:24:10,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:24:10,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:24:10,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:24:10,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:24:10,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:24:10,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:24:10,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:24:10,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:24:10,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:24:10,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:24:10,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:24:10,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:24:10,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:24:10,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:24:10,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:24:10,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:24:10,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:24:10,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:24:10,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:24:10,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:24:10,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:24:10,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:24:10,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:24:10,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 17:24:10,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:24:10,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:24:10,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:24:10,953 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 17:24:10,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:24:10,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:24:10,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:24:10,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:24:10,997 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:24:10,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:24:10,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:24:10,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:24:10,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:24:10,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:24:10,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:24:10,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:24:10,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:24:10,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:24:10,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:24:10,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:24:11,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:24:11,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:24:11,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:24:11,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:24:11,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:24:11,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:24:11,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:24:11,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:24:11,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:24:11,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:24:11,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:24:11,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:24:11,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:24:11,004 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=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:24:11,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:24:11,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:24:11,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:24:11,342 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:24:11,343 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:24:11,344 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-08-21 17:24:11,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b1d2b1f2/2818b8d596a9421f9c65ce3b309e1c4d/FLAGe2f239ff0 [2020-08-21 17:24:12,031 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:24:12,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-08-21 17:24:12,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b1d2b1f2/2818b8d596a9421f9c65ce3b309e1c4d/FLAGe2f239ff0 [2020-08-21 17:24:12,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b1d2b1f2/2818b8d596a9421f9c65ce3b309e1c4d [2020-08-21 17:24:12,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:24:12,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:24:12,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:24:12,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:24:12,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:24:12,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:24:12" (1/1) ... [2020-08-21 17:24:12,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4164e930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:12, skipping insertion in model container [2020-08-21 17:24:12,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:24:12" (1/1) ... [2020-08-21 17:24:12,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:24:12,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:24:12,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:24:12,956 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:24:13,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:24:13,110 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:24:13,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13 WrapperNode [2020-08-21 17:24:13,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:24:13,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:24:13,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:24:13,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:24:13,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (1/1) ... [2020-08-21 17:24:13,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:24:13,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:24:13,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:24:13,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:24:13,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (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 17:24:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:24:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:24:13,291 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 17:24:13,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:24:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 17:24:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:24:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:24:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 17:24:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:24:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:24:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:24:14,634 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:24:14,634 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 17:24:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:24:14 BoogieIcfgContainer [2020-08-21 17:24:14,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:24:14,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:24:14,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:24:14,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:24:14,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:24:12" (1/3) ... [2020-08-21 17:24:14,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cde0148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:24:14, skipping insertion in model container [2020-08-21 17:24:14,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:13" (2/3) ... [2020-08-21 17:24:14,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cde0148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:24:14, skipping insertion in model container [2020-08-21 17:24:14,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:24:14" (3/3) ... [2020-08-21 17:24:14,658 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2020-08-21 17:24:14,677 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:24:14,704 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:24:14,718 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:24:14,752 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:24:14,753 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:24:14,753 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:24:14,753 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:24:14,753 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:24:14,753 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:24:14,753 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:24:14,754 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:24:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 17:24:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 17:24:14,784 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:14,785 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] [2020-08-21 17:24:14,786 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:14,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1452048058, now seen corresponding path program 1 times [2020-08-21 17:24:14,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:14,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685621080] [2020-08-21 17:24:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:15,171 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 17:24:15,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685621080] [2020-08-21 17:24:15,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:24:15,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 17:24:15,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69508253] [2020-08-21 17:24:15,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:24:15,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:15,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:24:15,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:24:15,202 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-21 17:24:16,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:16,642 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-08-21 17:24:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 17:24:16,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 17:24:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:16,660 INFO L225 Difference]: With dead ends: 596 [2020-08-21 17:24:16,660 INFO L226 Difference]: Without dead ends: 302 [2020-08-21 17:24:16,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:24:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-21 17:24:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-08-21 17:24:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-08-21 17:24:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-08-21 17:24:16,745 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 51 [2020-08-21 17:24:16,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:16,746 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-08-21 17:24:16,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:24:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-08-21 17:24:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-21 17:24:16,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:16,757 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:16,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:24:16,758 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:16,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:16,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1838295646, now seen corresponding path program 1 times [2020-08-21 17:24:16,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:16,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039633471] [2020-08-21 17:24:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:17,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:17,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:24:17,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039633471] [2020-08-21 17:24:17,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:17,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:24:17,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088806618] [2020-08-21 17:24:17,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:24:17,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:24:17,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:24:17,158 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-08-21 17:24:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:19,597 INFO L93 Difference]: Finished difference Result 1166 states and 1806 transitions. [2020-08-21 17:24:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:24:19,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-08-21 17:24:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:19,610 INFO L225 Difference]: With dead ends: 1166 [2020-08-21 17:24:19,610 INFO L226 Difference]: Without dead ends: 876 [2020-08-21 17:24:19,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:24:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-08-21 17:24:19,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2020-08-21 17:24:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-08-21 17:24:19,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1255 transitions. [2020-08-21 17:24:19,689 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1255 transitions. Word has length 121 [2020-08-21 17:24:19,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:19,690 INFO L479 AbstractCegarLoop]: Abstraction has 876 states and 1255 transitions. [2020-08-21 17:24:19,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:24:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1255 transitions. [2020-08-21 17:24:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-08-21 17:24:19,707 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:19,708 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-08-21 17:24:19,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:24:19,708 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:19,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:19,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1132213795, now seen corresponding path program 1 times [2020-08-21 17:24:19,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:19,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471324611] [2020-08-21 17:24:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:19,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:24:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-08-21 17:24:20,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471324611] [2020-08-21 17:24:20,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:20,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 17:24:20,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042561863] [2020-08-21 17:24:20,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:24:20,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:24:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:24:20,109 INFO L87 Difference]: Start difference. First operand 876 states and 1255 transitions. Second operand 5 states. [2020-08-21 17:24:21,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:21,439 INFO L93 Difference]: Finished difference Result 2038 states and 2990 transitions. [2020-08-21 17:24:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 17:24:21,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-08-21 17:24:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:21,454 INFO L225 Difference]: With dead ends: 2038 [2020-08-21 17:24:21,454 INFO L226 Difference]: Without dead ends: 1311 [2020-08-21 17:24:21,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 17:24:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-08-21 17:24:21,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1168. [2020-08-21 17:24:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-08-21 17:24:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1601 transitions. [2020-08-21 17:24:21,524 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1601 transitions. Word has length 240 [2020-08-21 17:24:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:21,526 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1601 transitions. [2020-08-21 17:24:21,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:24:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1601 transitions. [2020-08-21 17:24:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-08-21 17:24:21,539 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:21,539 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 17:24:21,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:24:21,540 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:21,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1886450206, now seen corresponding path program 1 times [2020-08-21 17:24:21,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:21,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455381406] [2020-08-21 17:24:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:21,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:21,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 17:24:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 92 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:24:22,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455381406] [2020-08-21 17:24:22,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:22,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 17:24:22,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844332252] [2020-08-21 17:24:22,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:24:22,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:22,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:24:22,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:24:22,183 INFO L87 Difference]: Start difference. First operand 1168 states and 1601 transitions. Second operand 10 states. [2020-08-21 17:24:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:24,779 INFO L93 Difference]: Finished difference Result 2252 states and 3168 transitions. [2020-08-21 17:24:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 17:24:24,781 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 255 [2020-08-21 17:24:24,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:24,791 INFO L225 Difference]: With dead ends: 2252 [2020-08-21 17:24:24,791 INFO L226 Difference]: Without dead ends: 1206 [2020-08-21 17:24:24,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2020-08-21 17:24:24,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-08-21 17:24:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1182. [2020-08-21 17:24:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-08-21 17:24:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1626 transitions. [2020-08-21 17:24:24,853 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1626 transitions. Word has length 255 [2020-08-21 17:24:24,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:24,854 INFO L479 AbstractCegarLoop]: Abstraction has 1182 states and 1626 transitions. [2020-08-21 17:24:24,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:24:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1626 transitions. [2020-08-21 17:24:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-08-21 17:24:24,860 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:24,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:24,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:24:24,861 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:24,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:24,861 INFO L82 PathProgramCache]: Analyzing trace with hash -194706754, now seen corresponding path program 1 times [2020-08-21 17:24:24,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:24,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176471387] [2020-08-21 17:24:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:24,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:25,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-21 17:24:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 88 proven. 76 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 17:24:25,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176471387] [2020-08-21 17:24:25,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:25,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 17:24:25,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164464623] [2020-08-21 17:24:25,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:24:25,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:25,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:24:25,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:24:25,256 INFO L87 Difference]: Start difference. First operand 1182 states and 1626 transitions. Second operand 8 states. [2020-08-21 17:24:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:27,435 INFO L93 Difference]: Finished difference Result 3570 states and 5382 transitions. [2020-08-21 17:24:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 17:24:27,436 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-08-21 17:24:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:27,450 INFO L225 Difference]: With dead ends: 3570 [2020-08-21 17:24:27,450 INFO L226 Difference]: Without dead ends: 2537 [2020-08-21 17:24:27,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-21 17:24:27,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2020-08-21 17:24:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2370. [2020-08-21 17:24:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-08-21 17:24:27,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3174 transitions. [2020-08-21 17:24:27,531 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3174 transitions. Word has length 257 [2020-08-21 17:24:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:27,532 INFO L479 AbstractCegarLoop]: Abstraction has 2370 states and 3174 transitions. [2020-08-21 17:24:27,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:24:27,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3174 transitions. [2020-08-21 17:24:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-08-21 17:24:27,546 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:27,546 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:27,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:24:27,547 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2134841406, now seen corresponding path program 1 times [2020-08-21 17:24:27,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:27,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978615924] [2020-08-21 17:24:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:27,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:27,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:24:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-21 17:24:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-21 17:24:27,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978615924] [2020-08-21 17:24:27,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:27,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 17:24:27,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049574786] [2020-08-21 17:24:27,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:24:27,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:27,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:24:27,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:24:27,992 INFO L87 Difference]: Start difference. First operand 2370 states and 3174 transitions. Second operand 10 states. [2020-08-21 17:24:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:31,985 INFO L93 Difference]: Finished difference Result 5606 states and 7590 transitions. [2020-08-21 17:24:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 17:24:31,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 325 [2020-08-21 17:24:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:32,019 INFO L225 Difference]: With dead ends: 5606 [2020-08-21 17:24:32,020 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:24:32,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-21 17:24:32,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:24:32,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:24:32,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:24:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:24:32,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 325 [2020-08-21 17:24:32,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:32,031 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:24:32,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:24:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:24:32,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:24:32,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 17:24:32,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:24:32,542 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2020-08-21 17:24:32,703 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-08-21 17:24:32,847 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-08-21 17:24:32,852 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:24:32,852 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-21 17:24:32,853 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:24:32,853 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 17:24:32,853 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,853 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,853 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 17:24:32,854 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 17:24:32,855 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 17:24:32,855 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 17:24:32,855 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 17:24:32,855 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 17:24:32,855 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,856 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 17:24:32,857 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,858 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 17:24:32,859 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,860 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 17:24:32,861 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,862 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 17:24:32,863 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,864 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 17:24:32,865 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 17:24:32,866 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,867 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 17:24:32,868 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 17:24:32,869 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 17:24:32,870 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= 2 |old(~a10~0)|)) (= 2 |old(~a10~0)|)) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 17:24:32,871 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 17:24:32,872 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 17:24:32,873 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,874 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 17:24:32,875 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,876 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 17:24:32,877 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 17:24:32,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:24:32,879 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 17:24:32,879 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:24:32,879 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:24:32,879 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-21 17:24:32,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 17:24:32,880 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= 0 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 2)) (<= 2 ~a10~0) .cse0) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse0) (not (= 14 ~a4~0)) (and (not (= ~a19~0 6)) .cse0) (and (= ~a19~0 8) (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)))) [2020-08-21 17:24:32,880 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 17:24:32,880 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 17:24:32,880 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 0 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 2)) (<= 2 ~a10~0) .cse0) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse0) (not (= 14 ~a4~0)) (and (not (= ~a19~0 6)) .cse0) (and (= ~a19~0 8) (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)))) [2020-08-21 17:24:32,880 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 17:24:32,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:24:32 BoogieIcfgContainer [2020-08-21 17:24:32,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:24:32,907 INFO L168 Benchmark]: Toolchain (without parser) took 20612.48 ms. Allocated memory was 139.5 MB in the beginning and 502.8 MB in the end (delta: 363.3 MB). Free memory was 101.5 MB in the beginning and 303.6 MB in the end (delta: -202.1 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,907 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.76 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 170.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,909 INFO L168 Benchmark]: Boogie Preprocessor took 97.39 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,910 INFO L168 Benchmark]: RCFGBuilder took 1434.93 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 181.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,911 INFO L168 Benchmark]: TraceAbstraction took 18258.90 ms. Allocated memory was 237.0 MB in the beginning and 502.8 MB in the end (delta: 265.8 MB). Free memory was 179.3 MB in the beginning and 303.6 MB in the end (delta: -124.3 MB). Peak memory consumption was 141.5 MB. Max. memory is 7.1 GB. [2020-08-21 17:24:32,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.76 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 170.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.39 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1434.93 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 181.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18258.90 ms. Allocated memory was 237.0 MB in the beginning and 502.8 MB in the end (delta: 265.8 MB). Free memory was 179.3 MB in the beginning and 303.6 MB in the end (delta: -124.3 MB). Peak memory consumption was 141.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || ((!(a10 == 2) && 2 <= a10) && 0 == \old(a10))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (a10 <= 0 && 0 == \old(a10))) || !(14 == a4)) || (!(a19 == 6) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 179 SDtfs, 4749 SDslu, 281 SDs, 0 SdLazy, 8300 SolverSat, 1485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2370occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 340 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 68 PreInvPairs, 118 NumberOfFragments, 285 HoareAnnotationTreeSize, 68 FomulaSimplifications, 3590 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1790 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1249 NumberOfCodeBlocks, 1249 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 665173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 652/889 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...