/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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 04:41:23,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 04:41:23,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 04:41:23,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 04:41:23,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 04:41:23,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 04:41:23,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 04:41:23,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 04:41:23,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 04:41:23,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 04:41:23,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 04:41:23,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 04:41:23,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 04:41:23,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 04:41:23,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 04:41:23,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 04:41:23,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 04:41:23,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 04:41:23,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 04:41:23,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 04:41:23,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 04:41:23,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 04:41:23,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 04:41:23,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 04:41:23,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 04:41:23,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 04:41:23,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 04:41:23,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 04:41:23,822 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 04:41:23,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 04:41:23,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 04:41:23,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 04:41:23,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 04:41:23,866 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 04:41:23,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 04:41:23,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 04:41:23,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 04:41:23,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 04:41:23,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 04:41:23,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 04:41:23,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 04:41:23,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 04:41:23,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 04:41:23,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 04:41:23,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 04:41:23,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 04:41:23,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 04:41:23,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 04:41:23,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 04:41:23,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 04:41:23,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 04:41:23,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 04:41:23,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 04:41:23,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 04:41:23,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 04:41:23,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 04:41:23,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 04:41:23,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 04:41:23,871 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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-08-22 04:41:24,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 04:41:24,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 04:41:24,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 04:41:24,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 04:41:24,233 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 04:41:24,233 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2020-08-22 04:41:24,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e7f703ef/b0e0880353d1496ab79a1f42560989b5/FLAG41d57c1dc [2020-08-22 04:41:24,842 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 04:41:24,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2020-08-22 04:41:24,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e7f703ef/b0e0880353d1496ab79a1f42560989b5/FLAG41d57c1dc [2020-08-22 04:41:25,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e7f703ef/b0e0880353d1496ab79a1f42560989b5 [2020-08-22 04:41:25,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 04:41:25,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 04:41:25,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 04:41:25,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 04:41:25,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 04:41:25,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:25,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f80c2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25, skipping insertion in model container [2020-08-22 04:41:25,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:25,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 04:41:25,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 04:41:25,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:41:25,672 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 04:41:25,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:41:25,933 INFO L208 MainTranslator]: Completed translation [2020-08-22 04:41:25,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25 WrapperNode [2020-08-22 04:41:25,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 04:41:25,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 04:41:25,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 04:41:25,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 04:41:25,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:25,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:25,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:25,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:26,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:26,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:26,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... [2020-08-22 04:41:26,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 04:41:26,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 04:41:26,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 04:41:26,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 04:41:26,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 04:41:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 04:41:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 04:41:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 04:41:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 04:41:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 04:41:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 04:41:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 04:41:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 04:41:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 04:41:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 04:41:27,343 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 04:41:27,343 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 04:41:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:41:27 BoogieIcfgContainer [2020-08-22 04:41:27,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 04:41:27,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 04:41:27,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 04:41:27,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 04:41:27,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:41:25" (1/3) ... [2020-08-22 04:41:27,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31befab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:41:27, skipping insertion in model container [2020-08-22 04:41:27,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:41:25" (2/3) ... [2020-08-22 04:41:27,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31befab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:41:27, skipping insertion in model container [2020-08-22 04:41:27,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:41:27" (3/3) ... [2020-08-22 04:41:27,366 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label00.c [2020-08-22 04:41:27,377 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 04:41:27,389 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 04:41:27,404 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 04:41:27,437 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 04:41:27,438 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 04:41:27,438 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 04:41:27,438 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 04:41:27,438 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 04:41:27,439 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 04:41:27,439 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 04:41:27,439 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 04:41:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-22 04:41:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-08-22 04:41:27,489 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:27,491 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] [2020-08-22 04:41:27,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1845535338, now seen corresponding path program 1 times [2020-08-22 04:41:27,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:27,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478687368] [2020-08-22 04:41:27,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:28,182 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 04:41:28,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478687368] [2020-08-22 04:41:28,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:41:28,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 04:41:28,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062474467] [2020-08-22 04:41:28,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 04:41:28,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:28,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 04:41:28,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 04:41:28,217 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-08-22 04:41:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:29,744 INFO L93 Difference]: Finished difference Result 569 states and 968 transitions. [2020-08-22 04:41:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 04:41:29,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2020-08-22 04:41:29,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:29,776 INFO L225 Difference]: With dead ends: 569 [2020-08-22 04:41:29,778 INFO L226 Difference]: Without dead ends: 286 [2020-08-22 04:41:29,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 04:41:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-22 04:41:29,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-22 04:41:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-22 04:41:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-08-22 04:41:29,883 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 114 [2020-08-22 04:41:29,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:29,884 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-08-22 04:41:29,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 04:41:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-08-22 04:41:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 04:41:29,889 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:29,889 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 04:41:29,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 04:41:29,889 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:29,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1810432653, now seen corresponding path program 1 times [2020-08-22 04:41:29,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:29,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980522986] [2020-08-22 04:41:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 04:41:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:41:30,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980522986] [2020-08-22 04:41:30,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:41:30,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 04:41:30,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251724354] [2020-08-22 04:41:30,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:41:30,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:30,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:41:30,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:41:30,120 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-08-22 04:41:32,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:32,110 INFO L93 Difference]: Finished difference Result 1128 states and 1714 transitions. [2020-08-22 04:41:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 04:41:32,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-22 04:41:32,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:32,121 INFO L225 Difference]: With dead ends: 1128 [2020-08-22 04:41:32,121 INFO L226 Difference]: Without dead ends: 854 [2020-08-22 04:41:32,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 04:41:32,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-08-22 04:41:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 840. [2020-08-22 04:41:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-08-22 04:41:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1195 transitions. [2020-08-22 04:41:32,200 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1195 transitions. Word has length 123 [2020-08-22 04:41:32,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:32,201 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1195 transitions. [2020-08-22 04:41:32,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:41:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2020-08-22 04:41:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-08-22 04:41:32,206 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:32,207 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 04:41:32,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 04:41:32,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:32,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:32,208 INFO L82 PathProgramCache]: Analyzing trace with hash -457589907, now seen corresponding path program 1 times [2020-08-22 04:41:32,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:32,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602390038] [2020-08-22 04:41:32,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:32,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 04:41:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:41:32,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602390038] [2020-08-22 04:41:32,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:41:32,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 04:41:32,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228438857] [2020-08-22 04:41:32,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:41:32,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:32,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:41:32,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:41:32,417 INFO L87 Difference]: Start difference. First operand 840 states and 1195 transitions. Second operand 8 states. [2020-08-22 04:41:33,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:33,844 INFO L93 Difference]: Finished difference Result 2139 states and 3225 transitions. [2020-08-22 04:41:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 04:41:33,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 124 [2020-08-22 04:41:33,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:33,857 INFO L225 Difference]: With dead ends: 2139 [2020-08-22 04:41:33,857 INFO L226 Difference]: Without dead ends: 1305 [2020-08-22 04:41:33,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-22 04:41:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-08-22 04:41:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1267. [2020-08-22 04:41:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2020-08-22 04:41:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1790 transitions. [2020-08-22 04:41:33,941 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1790 transitions. Word has length 124 [2020-08-22 04:41:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:33,941 INFO L479 AbstractCegarLoop]: Abstraction has 1267 states and 1790 transitions. [2020-08-22 04:41:33,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:41:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1790 transitions. [2020-08-22 04:41:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-22 04:41:33,947 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:33,947 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-22 04:41:33,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 04:41:33,948 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:33,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:33,948 INFO L82 PathProgramCache]: Analyzing trace with hash -526425041, now seen corresponding path program 1 times [2020-08-22 04:41:33,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:33,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138341872] [2020-08-22 04:41:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:34,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:34,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 04:41:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:41:34,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138341872] [2020-08-22 04:41:34,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 04:41:34,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 04:41:34,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524495583] [2020-08-22 04:41:34,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 04:41:34,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:34,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 04:41:34,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 04:41:34,316 INFO L87 Difference]: Start difference. First operand 1267 states and 1790 transitions. Second operand 6 states. [2020-08-22 04:41:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:35,554 INFO L93 Difference]: Finished difference Result 2633 states and 3787 transitions. [2020-08-22 04:41:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 04:41:35,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2020-08-22 04:41:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:35,562 INFO L225 Difference]: With dead ends: 2633 [2020-08-22 04:41:35,562 INFO L226 Difference]: Without dead ends: 1271 [2020-08-22 04:41:35,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:41:35,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2020-08-22 04:41:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1265. [2020-08-22 04:41:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-08-22 04:41:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1636 transitions. [2020-08-22 04:41:35,609 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1636 transitions. Word has length 125 [2020-08-22 04:41:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:35,610 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1636 transitions. [2020-08-22 04:41:35,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 04:41:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1636 transitions. [2020-08-22 04:41:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 04:41:35,614 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:35,614 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] [2020-08-22 04:41:35,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 04:41:35,614 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:35,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1583976871, now seen corresponding path program 1 times [2020-08-22 04:41:35,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:35,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47987964] [2020-08-22 04:41:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:35,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 04:41:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:41:35,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47987964] [2020-08-22 04:41:35,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 04:41:35,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 04:41:35,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025157684] [2020-08-22 04:41:35,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 04:41:35,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:35,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 04:41:35,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 04:41:35,819 INFO L87 Difference]: Start difference. First operand 1265 states and 1636 transitions. Second operand 6 states. [2020-08-22 04:41:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:37,234 INFO L93 Difference]: Finished difference Result 3352 states and 4481 transitions. [2020-08-22 04:41:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 04:41:37,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-08-22 04:41:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:37,249 INFO L225 Difference]: With dead ends: 3352 [2020-08-22 04:41:37,249 INFO L226 Difference]: Without dead ends: 2093 [2020-08-22 04:41:37,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:41:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-08-22 04:41:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2087. [2020-08-22 04:41:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-08-22 04:41:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2662 transitions. [2020-08-22 04:41:37,325 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2662 transitions. Word has length 129 [2020-08-22 04:41:37,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:37,327 INFO L479 AbstractCegarLoop]: Abstraction has 2087 states and 2662 transitions. [2020-08-22 04:41:37,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 04:41:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2662 transitions. [2020-08-22 04:41:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-22 04:41:37,335 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:41:37,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:37,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 04:41:37,336 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:41:37,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:41:37,337 INFO L82 PathProgramCache]: Analyzing trace with hash 2082058651, now seen corresponding path program 1 times [2020-08-22 04:41:37,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:41:37,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350356368] [2020-08-22 04:41:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:41:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:41:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 04:41:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:41:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:41:37,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350356368] [2020-08-22 04:41:37,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 04:41:37,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 04:41:37,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969897375] [2020-08-22 04:41:37,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 04:41:37,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:41:37,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 04:41:37,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 04:41:37,641 INFO L87 Difference]: Start difference. First operand 2087 states and 2662 transitions. Second operand 6 states. [2020-08-22 04:41:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:41:39,510 INFO L93 Difference]: Finished difference Result 5131 states and 6670 transitions. [2020-08-22 04:41:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 04:41:39,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-08-22 04:41:39,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:41:39,512 INFO L225 Difference]: With dead ends: 5131 [2020-08-22 04:41:39,512 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 04:41:39,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:41:39,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 04:41:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 04:41:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 04:41:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 04:41:39,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-08-22 04:41:39,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:41:39,532 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 04:41:39,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 04:41:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 04:41:39,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 04:41:39,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 04:41:39,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 04:41:39,861 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-08-22 04:41:40,517 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2020-08-22 04:41:40,794 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-22 04:41:40,997 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-22 04:41:41,000 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:41:41,001 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-22 04:41:41,001 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:41:41,001 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-22 04:41:41,001 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-22 04:41:41,001 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-22 04:41:41,002 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-22 04:41:41,003 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,004 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-22 04:41:41,005 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2020-08-22 04:41:41,006 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,007 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-22 04:41:41,008 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,009 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-22 04:41:41,010 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-22 04:41:41,011 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,012 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-22 04:41:41,013 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,014 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-22 04:41:41,015 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-22 04:41:41,016 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,017 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-22 04:41:41,018 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,019 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-22 04:41:41,020 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-22 04:41:41,021 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-22 04:41:41,021 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-22 04:41:41,021 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a20~0 |old(~a20~0)|))) (let ((.cse3 (= |old(~a21~0)| 1)) (.cse7 (not (<= |old(~a16~0)| 5))) (.cse5 (and .cse1 .cse0 (= ~a21~0 |old(~a21~0)|) .cse2 (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) (.cse6 (not (<= |old(~a17~0)| 0))) (.cse4 (not (= ~a12~0 8)))) (and (or (not (= |old(~a8~0)| 13)) (not (= |old(~a7~0)| 1)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse1 (= ~a21~0 1) .cse2 (= ~a8~0 13) (= ~a16~0 4)) (not .cse3) .cse4 (not (= 4 |old(~a16~0)|))) (or (not (<= 15 |old(~a8~0)|)) .cse5 .cse6 .cse4) (or (= |old(~a7~0)| |old(~a17~0)|) .cse5 .cse4) (or .cse7 .cse5 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse4)))) [2020-08-22 04:41:41,021 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-22 04:41:41,021 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,022 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-22 04:41:41,023 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,024 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-22 04:41:41,025 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-22 04:41:41,026 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 04:41:41,027 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-22 04:41:41,028 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-22 04:41:41,029 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-22 04:41:41,029 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:41:41,029 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (not (= ~a17~0 ~a7~0)) (<= 15 ~a8~0)) [2020-08-22 04:41:41,029 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 04:41:41,029 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:41:41,029 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a17~0)|) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= ~a12~0 8))) [2020-08-22 04:41:41,030 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-22 04:41:41,030 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0))) (or (= |old(~a7~0)| |old(~a17~0)|) (and (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (and .cse0 (not (= ~a21~0 1))) (not (<= 15 |old(~a8~0)|)) (not (= ~a17~0 ~a7~0)) (and .cse0 .cse1) (and .cse1 (<= 15 ~a8~0)) (not (= ~a12~0 8)))) [2020-08-22 04:41:41,030 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-22 04:41:41,030 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-22 04:41:41,030 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0))) (or (= |old(~a7~0)| |old(~a17~0)|) (and (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (and .cse0 (not (= ~a21~0 1))) (not (<= 15 |old(~a8~0)|)) (not (= ~a17~0 ~a7~0)) (and .cse0 .cse1) (and .cse1 (<= 15 ~a8~0)) (not (= ~a12~0 8)))) [2020-08-22 04:41:41,030 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-22 04:41:41,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:41:41 BoogieIcfgContainer [2020-08-22 04:41:41,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 04:41:41,055 INFO L168 Benchmark]: Toolchain (without parser) took 15924.87 ms. Allocated memory was 140.0 MB in the beginning and 408.9 MB in the end (delta: 269.0 MB). Free memory was 101.8 MB in the beginning and 94.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 284.3 MB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,056 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.14 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 170.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,058 INFO L168 Benchmark]: Boogie Preprocessor took 127.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,058 INFO L168 Benchmark]: RCFGBuilder took 1292.45 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.5 MB in the beginning and 179.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,059 INFO L168 Benchmark]: TraceAbstraction took 13695.86 ms. Allocated memory was 238.6 MB in the beginning and 408.9 MB in the end (delta: 170.4 MB). Free memory was 179.4 MB in the beginning and 94.5 MB in the end (delta: 85.0 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. [2020-08-22 04:41:41,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.14 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 170.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.45 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.5 MB in the beginning and 179.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13695.86 ms. Allocated memory was 238.6 MB in the beginning and 408.9 MB in the end (delta: 170.4 MB). Free memory was 179.4 MB in the beginning and 94.5 MB in the end (delta: 85.0 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 500]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((\old(a7) == \old(a17) || (((a8 == 13 && a20 == 1) && a16 == 4) && a17 == 1)) || !(\old(a16) <= 5)) || (a16 <= 5 && !(a21 == 1))) || !(15 <= \old(a8))) || !(a17 == a7)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 2662 SDslu, 186 SDs, 0 SdLazy, 4761 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred 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, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 123 NumberOfFragments, 385 HoareAnnotationTreeSize, 73 FomulaSimplifications, 37550 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6882 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 776 ConstructedInterpolants, 0 QuantifiedInterpolants, 558718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 80/83 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...