/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:22:19,014 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-21 10:22:19,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:22:19,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:22:19,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:22:19,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:22:19,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:22:19,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:22:19,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:22:19,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:22:19,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:22:19,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:22:19,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:22:19,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:22:19,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:22:19,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:22:19,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:22:19,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:22:19,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:22:19,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:22:19,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:22:19,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:22:19,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:22:19,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:22:19,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:22:19,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:22:19,109 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 [2020-09-21 10:22:19,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:22:19,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:22:19,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:22:19,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:22:19,138 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:22:19,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:22:19,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:22:19,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:22:19,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:22:19,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:22:19,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:22:19,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:22:19,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:22:19,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:22:19,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:22:19,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:22:19,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:22:19,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:22:19,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:22:19,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:22:19,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:22:19,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:22:19,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:22:19,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:22:19,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:22:19,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:22:19,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:22:19,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:22:19,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:22:19,143 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 -> false [2020-09-21 10:22:19,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:22:19,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:22:19,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:22:19,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:22:19,664 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:22:19,666 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-09-21 10:22:19,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e9d65b8/037dbe158b8c4c9d8d67f1dc27368b4f/FLAGfa9de2bb2 [2020-09-21 10:22:20,428 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:22:20,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-09-21 10:22:20,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e9d65b8/037dbe158b8c4c9d8d67f1dc27368b4f/FLAGfa9de2bb2 [2020-09-21 10:22:20,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3e9d65b8/037dbe158b8c4c9d8d67f1dc27368b4f [2020-09-21 10:22:20,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:22:20,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:22:20,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:22:20,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:22:20,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:22:20,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:22:20" (1/1) ... [2020-09-21 10:22:20,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23064e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:20, skipping insertion in model container [2020-09-21 10:22:20,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:22:20" (1/1) ... [2020-09-21 10:22:20,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:22:20,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:22:21,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:22:21,408 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:22:21,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:22:21,607 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:22:21,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21 WrapperNode [2020-09-21 10:22:21,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:22:21,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:22:21,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:22:21,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:22:21,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (1/1) ... [2020-09-21 10:22:21,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:22:21,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:22:21,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:22:21,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:22:21,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (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 [2020-09-21 10:22:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:22:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:22:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 10:22:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:22:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 10:22:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:22:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:22:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 10:22:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:22:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:22:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:22:23,121 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:22:23,121 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 10:22:23,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:22:23 BoogieIcfgContainer [2020-09-21 10:22:23,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:22:23,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:22:23,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:22:23,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:22:23,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:22:20" (1/3) ... [2020-09-21 10:22:23,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:22:23, skipping insertion in model container [2020-09-21 10:22:23,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:22:21" (2/3) ... [2020-09-21 10:22:23,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:22:23, skipping insertion in model container [2020-09-21 10:22:23,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:22:23" (3/3) ... [2020-09-21 10:22:23,146 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-09-21 10:22:23,158 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:22:23,173 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:22:23,196 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:22:23,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:22:23,234 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:22:23,234 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:22:23,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:22:23,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:22:23,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:22:23,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:22:23,235 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:22:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 10:22:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 10:22:23,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:23,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:23,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:23,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1251834154, now seen corresponding path program 1 times [2020-09-21 10:22:23,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:23,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053754436] [2020-09-21 10:22:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:24,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053754436] [2020-09-21 10:22:24,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:22:24,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 10:22:24,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283156068] [2020-09-21 10:22:24,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:22:24,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:24,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:22:24,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:22:24,048 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-09-21 10:22:25,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:25,510 INFO L93 Difference]: Finished difference Result 569 states and 968 transitions. [2020-09-21 10:22:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:22:25,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-09-21 10:22:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:25,546 INFO L225 Difference]: With dead ends: 569 [2020-09-21 10:22:25,546 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 10:22:25,554 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 [2020-09-21 10:22:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 10:22:25,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 10:22:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 10:22:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-09-21 10:22:25,643 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 130 [2020-09-21 10:22:25,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:25,644 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-09-21 10:22:25,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:22:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-09-21 10:22:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 10:22:25,652 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:25,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:25,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:22:25,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:25,657 INFO L82 PathProgramCache]: Analyzing trace with hash -855585613, now seen corresponding path program 1 times [2020-09-21 10:22:25,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:25,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677003780] [2020-09-21 10:22:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:25,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:22:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:25,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677003780] [2020-09-21 10:22:25,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:22:25,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:22:25,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118571033] [2020-09-21 10:22:25,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:22:25,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:25,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:22:25,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:22:25,928 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-09-21 10:22:28,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:28,233 INFO L93 Difference]: Finished difference Result 1128 states and 1714 transitions. [2020-09-21 10:22:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 10:22:28,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-09-21 10:22:28,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:28,252 INFO L225 Difference]: With dead ends: 1128 [2020-09-21 10:22:28,252 INFO L226 Difference]: Without dead ends: 854 [2020-09-21 10:22:28,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-21 10:22:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-09-21 10:22:28,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 840. [2020-09-21 10:22:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-21 10:22:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1195 transitions. [2020-09-21 10:22:28,372 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1195 transitions. Word has length 139 [2020-09-21 10:22:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:28,372 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1195 transitions. [2020-09-21 10:22:28,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:22:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2020-09-21 10:22:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-21 10:22:28,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:28,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:28,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:22:28,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:28,390 INFO L82 PathProgramCache]: Analyzing trace with hash -932424019, now seen corresponding path program 1 times [2020-09-21 10:22:28,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:28,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708560746] [2020-09-21 10:22:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:28,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:22:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:28,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708560746] [2020-09-21 10:22:28,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:22:28,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:22:28,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943805427] [2020-09-21 10:22:28,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:22:28,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:28,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:22:28,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:22:28,661 INFO L87 Difference]: Start difference. First operand 840 states and 1195 transitions. Second operand 8 states. [2020-09-21 10:22:30,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:30,361 INFO L93 Difference]: Finished difference Result 2139 states and 3225 transitions. [2020-09-21 10:22:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:22:30,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-09-21 10:22:30,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:30,372 INFO L225 Difference]: With dead ends: 2139 [2020-09-21 10:22:30,372 INFO L226 Difference]: Without dead ends: 1305 [2020-09-21 10:22:30,375 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 [2020-09-21 10:22:30,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-09-21 10:22:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1267. [2020-09-21 10:22:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2020-09-21 10:22:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1790 transitions. [2020-09-21 10:22:30,434 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1790 transitions. Word has length 140 [2020-09-21 10:22:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:30,435 INFO L479 AbstractCegarLoop]: Abstraction has 1267 states and 1790 transitions. [2020-09-21 10:22:30,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:22:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1790 transitions. [2020-09-21 10:22:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 10:22:30,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:30,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:30,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:22:30,441 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:30,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:30,441 INFO L82 PathProgramCache]: Analyzing trace with hash -188990609, now seen corresponding path program 1 times [2020-09-21 10:22:30,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:30,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412003262] [2020-09-21 10:22:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:30,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:22:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:30,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412003262] [2020-09-21 10:22:30,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:22:30,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:22:30,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856564243] [2020-09-21 10:22:30,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:22:30,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:30,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:22:30,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:22:30,846 INFO L87 Difference]: Start difference. First operand 1267 states and 1790 transitions. Second operand 6 states. [2020-09-21 10:22:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:32,199 INFO L93 Difference]: Finished difference Result 2633 states and 3787 transitions. [2020-09-21 10:22:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:22:32,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-09-21 10:22:32,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:32,212 INFO L225 Difference]: With dead ends: 2633 [2020-09-21 10:22:32,212 INFO L226 Difference]: Without dead ends: 1271 [2020-09-21 10:22:32,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:22:32,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2020-09-21 10:22:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1265. [2020-09-21 10:22:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-09-21 10:22:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1636 transitions. [2020-09-21 10:22:32,269 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1636 transitions. Word has length 141 [2020-09-21 10:22:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:32,270 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1636 transitions. [2020-09-21 10:22:32,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:22:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1636 transitions. [2020-09-21 10:22:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 10:22:32,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:32,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:32,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:22:32,276 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:32,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:32,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1244428519, now seen corresponding path program 1 times [2020-09-21 10:22:32,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:32,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226896201] [2020-09-21 10:22:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:22:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:32,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226896201] [2020-09-21 10:22:32,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:22:32,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:22:32,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006929463] [2020-09-21 10:22:32,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:22:32,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:32,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:22:32,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:22:32,614 INFO L87 Difference]: Start difference. First operand 1265 states and 1636 transitions. Second operand 6 states. [2020-09-21 10:22:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:34,267 INFO L93 Difference]: Finished difference Result 3352 states and 4481 transitions. [2020-09-21 10:22:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:22:34,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-09-21 10:22:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:34,280 INFO L225 Difference]: With dead ends: 3352 [2020-09-21 10:22:34,280 INFO L226 Difference]: Without dead ends: 2093 [2020-09-21 10:22:34,285 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 [2020-09-21 10:22:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-09-21 10:22:34,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2087. [2020-09-21 10:22:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-09-21 10:22:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2662 transitions. [2020-09-21 10:22:34,361 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2662 transitions. Word has length 145 [2020-09-21 10:22:34,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:34,362 INFO L479 AbstractCegarLoop]: Abstraction has 2087 states and 2662 transitions. [2020-09-21 10:22:34,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:22:34,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2662 transitions. [2020-09-21 10:22:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-21 10:22:34,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:22:34,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:22:34,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:22:34,373 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:22:34,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:22:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2074489051, now seen corresponding path program 1 times [2020-09-21 10:22:34,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:22:34,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097602537] [2020-09-21 10:22:34,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:22:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:22:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:34,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:22:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:22:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:22:34,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097602537] [2020-09-21 10:22:34,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:22:34,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:22:34,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038971957] [2020-09-21 10:22:34,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:22:34,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:22:34,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:22:34,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:22:34,710 INFO L87 Difference]: Start difference. First operand 2087 states and 2662 transitions. Second operand 6 states. [2020-09-21 10:22:36,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:22:36,359 INFO L93 Difference]: Finished difference Result 5131 states and 6670 transitions. [2020-09-21 10:22:36,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:22:36,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-09-21 10:22:36,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:22:36,361 INFO L225 Difference]: With dead ends: 5131 [2020-09-21 10:22:36,361 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:22:36,370 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 [2020-09-21 10:22:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:22:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:22:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:22:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:22:36,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-09-21 10:22:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:22:36,372 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:22:36,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:22:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:22:36,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:22:36,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:22:36,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:22:37,291 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-09-21 10:22:37,536 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-09-21 10:22:38,136 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2020-09-21 10:22:38,461 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-09-21 10:22:38,675 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-09-21 10:22:38,679 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:22:38,680 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)|)) [2020-09-21 10:22:38,680 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:22:38,680 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 10:22:38,681 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 10:22:38,681 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,682 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,682 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,682 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,682 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 10:22:38,683 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 10:22:38,684 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 10:22:38,684 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 10:22:38,684 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 10:22:38,684 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 10:22:38,685 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,685 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,685 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,685 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 10:22:38,686 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 10:22:38,687 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 10:22:38,687 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 10:22:38,687 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 10:22:38,687 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 10:22:38,687 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 10:22:38,688 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 10:22:38,689 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 10:22:38,690 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 10:22:38,691 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,691 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,691 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,691 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,691 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,692 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 10:22:38,693 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,694 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,695 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 10:22:38,696 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 10:22:38,697 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 10:22:38,700 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 10:22:38,701 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 10:22:38,701 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 10:22:38,701 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 10:22:38,701 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,702 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,702 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,702 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,702 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,703 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 10:22:38,703 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 10:22:38,703 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 10:22:38,704 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 10:22:38,704 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 10:22:38,704 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 10:22:38,704 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 10:22:38,704 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 10:22:38,705 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,705 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,705 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,706 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,706 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,706 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 10:22:38,707 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 10:22:38,708 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 10:22:38,708 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 10:22:38,708 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 10:22:38,708 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)))) [2020-09-21 10:22:38,708 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 10:22:38,709 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 10:22:38,710 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 10:22:38,711 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 10:22:38,712 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 10:22:38,713 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 10:22:38,714 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,715 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 10:22:38,716 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 10:22:38,717 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 10:22:38,717 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 10:22:38,717 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 10:22:38,717 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:22:38,717 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)) [2020-09-21 10:22:38,717 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:22:38,718 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:22:38,718 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))) [2020-09-21 10:22:38,718 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 10:22:38,718 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)))) [2020-09-21 10:22:38,718 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 10:22:38,719 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 10:22:38,719 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)))) [2020-09-21 10:22:38,719 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 10:22:38,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:22:38 BoogieIcfgContainer [2020-09-21 10:22:38,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:22:38,757 INFO L168 Benchmark]: Toolchain (without parser) took 18064.78 ms. Allocated memory was 137.4 MB in the beginning and 476.6 MB in the end (delta: 339.2 MB). Free memory was 98.9 MB in the beginning and 106.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 332.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:22:38,757 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 10:22:38,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.38 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.2 MB in the beginning and 162.3 MB in the end (delta: -64.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-09-21 10:22:38,766 INFO L168 Benchmark]: Boogie Preprocessor took 155.69 ms. Allocated memory is still 201.9 MB. Free memory was 162.3 MB in the beginning and 157.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:22:38,767 INFO L168 Benchmark]: RCFGBuilder took 1368.91 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 157.9 MB in the beginning and 171.4 MB in the end (delta: -13.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-09-21 10:22:38,768 INFO L168 Benchmark]: TraceAbstraction took 15616.34 ms. Allocated memory was 230.2 MB in the beginning and 476.6 MB in the end (delta: 246.4 MB). Free memory was 171.4 MB in the beginning and 106.1 MB in the end (delta: 65.3 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:22:38,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 910.38 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.2 MB in the beginning and 162.3 MB in the end (delta: -64.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.69 ms. Allocated memory is still 201.9 MB. Free memory was 162.3 MB in the beginning and 157.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.91 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 157.9 MB in the beginning and 171.4 MB in the end (delta: -13.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15616.34 ms. Allocated memory was 230.2 MB in the beginning and 476.6 MB in the end (delta: 246.4 MB). Free memory was 171.4 MB in the beginning and 106.1 MB in the end (delta: 65.3 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 13.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 2598 SDslu, 186 SDs, 0 SdLazy, 4761 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s 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, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6882 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 664046 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...