/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:10:26,532 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 12:10:26,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:10:26,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:10:26,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:10:26,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:10:26,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:10:26,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:10:26,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:10:26,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:10:26,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:10:26,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:10:26,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:10:26,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:10:26,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 12:10:26,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:10:26,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:10:26,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:10:26,631 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 [2020-08-18 12:10:26,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:10:26,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:10:26,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:10:26,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:10:26,678 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:10:26,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:10:26,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:10:26,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:10:26,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:10:26,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:10:26,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:10:26,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:10:26,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:10:26,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:10:26,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:10:26,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:10:26,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:10:26,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:10:26,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:10:26,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:10:26,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:10:26,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:10:26,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:10:26,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:10:26,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:10:26,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:10:26,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:10:26,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:10:26,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:10:26,684 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=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:10:27,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:10:27,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:10:27,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:10:27,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:10:27,074 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:10:27,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-08-18 12:10:27,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2896ec78/169a27b79f75425e8b28793a35db82ac/FLAG0737e814e [2020-08-18 12:10:27,730 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:10:27,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-08-18 12:10:27,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2896ec78/169a27b79f75425e8b28793a35db82ac/FLAG0737e814e [2020-08-18 12:10:27,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2896ec78/169a27b79f75425e8b28793a35db82ac [2020-08-18 12:10:27,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:10:27,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:10:27,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:10:27,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:10:28,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:10:28,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:10:27" (1/1) ... [2020-08-18 12:10:28,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729581a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28, skipping insertion in model container [2020-08-18 12:10:28,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:10:27" (1/1) ... [2020-08-18 12:10:28,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:10:28,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:10:28,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:10:28,652 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:10:28,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:10:28,801 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:10:28,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28 WrapperNode [2020-08-18 12:10:28,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:10:28,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:10:28,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:10:28,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:10:28,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (1/1) ... [2020-08-18 12:10:28,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:10:28,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:10:28,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:10:28,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:10:28,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (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 [2020-08-18 12:10:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:10:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:10:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 12:10:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:10:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 12:10:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:10:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:10:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 12:10:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:10:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:10:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:10:30,286 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:10:30,287 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 12:10:30,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:10:30 BoogieIcfgContainer [2020-08-18 12:10:30,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:10:30,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:10:30,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:10:30,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:10:30,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:10:27" (1/3) ... [2020-08-18 12:10:30,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:10:30, skipping insertion in model container [2020-08-18 12:10:30,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:28" (2/3) ... [2020-08-18 12:10:30,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:10:30, skipping insertion in model container [2020-08-18 12:10:30,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:10:30" (3/3) ... [2020-08-18 12:10:30,302 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-08-18 12:10:30,313 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:10:30,321 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:10:30,336 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:10:30,362 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:10:30,363 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:10:30,363 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:10:30,363 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:10:30,363 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:10:30,364 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:10:30,364 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:10:30,364 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:10:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 12:10:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-18 12:10:30,405 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:30,407 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] [2020-08-18 12:10:30,408 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:30,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:30,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1251834154, now seen corresponding path program 1 times [2020-08-18 12:10:30,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:30,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19386938] [2020-08-18 12:10:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:31,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:31,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19386938] [2020-08-18 12:10:31,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:10:31,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 12:10:31,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041201082] [2020-08-18 12:10:31,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 12:10:31,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:31,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 12:10:31,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 12:10:31,138 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-08-18 12:10:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:32,647 INFO L93 Difference]: Finished difference Result 569 states and 968 transitions. [2020-08-18 12:10:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:10:32,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-08-18 12:10:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:32,679 INFO L225 Difference]: With dead ends: 569 [2020-08-18 12:10:32,679 INFO L226 Difference]: Without dead ends: 286 [2020-08-18 12:10:32,691 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 [2020-08-18 12:10:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-18 12:10:32,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-18 12:10:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-18 12:10:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-08-18 12:10:32,815 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 130 [2020-08-18 12:10:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:32,820 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-08-18 12:10:32,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 12:10:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-08-18 12:10:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-18 12:10:32,838 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:32,839 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] [2020-08-18 12:10:32,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:10:32,839 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:32,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:32,840 INFO L82 PathProgramCache]: Analyzing trace with hash -855585613, now seen corresponding path program 1 times [2020-08-18 12:10:32,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:32,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864687048] [2020-08-18 12:10:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:33,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864687048] [2020-08-18 12:10:33,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:10:33,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:10:33,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409519208] [2020-08-18 12:10:33,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:10:33,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:33,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:10:33,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:10:33,060 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-08-18 12:10:35,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:35,007 INFO L93 Difference]: Finished difference Result 1128 states and 1714 transitions. [2020-08-18 12:10:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 12:10:35,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-18 12:10:35,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:35,019 INFO L225 Difference]: With dead ends: 1128 [2020-08-18 12:10:35,020 INFO L226 Difference]: Without dead ends: 854 [2020-08-18 12:10:35,022 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 [2020-08-18 12:10:35,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-08-18 12:10:35,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 840. [2020-08-18 12:10:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-08-18 12:10:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1195 transitions. [2020-08-18 12:10:35,093 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1195 transitions. Word has length 139 [2020-08-18 12:10:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:35,093 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1195 transitions. [2020-08-18 12:10:35,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:10:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2020-08-18 12:10:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-18 12:10:35,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:35,103 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] [2020-08-18 12:10:35,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:10:35,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:35,104 INFO L82 PathProgramCache]: Analyzing trace with hash -932424019, now seen corresponding path program 1 times [2020-08-18 12:10:35,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:35,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343898032] [2020-08-18 12:10:35,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:35,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343898032] [2020-08-18 12:10:35,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:10:35,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:10:35,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125564847] [2020-08-18 12:10:35,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:10:35,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:35,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:10:35,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:10:35,321 INFO L87 Difference]: Start difference. First operand 840 states and 1195 transitions. Second operand 8 states. [2020-08-18 12:10:37,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:37,105 INFO L93 Difference]: Finished difference Result 2139 states and 3225 transitions. [2020-08-18 12:10:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:10:37,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-08-18 12:10:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:37,123 INFO L225 Difference]: With dead ends: 2139 [2020-08-18 12:10:37,123 INFO L226 Difference]: Without dead ends: 1305 [2020-08-18 12:10:37,126 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 [2020-08-18 12:10:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-08-18 12:10:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1267. [2020-08-18 12:10:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2020-08-18 12:10:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1790 transitions. [2020-08-18 12:10:37,216 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1790 transitions. Word has length 140 [2020-08-18 12:10:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:37,216 INFO L479 AbstractCegarLoop]: Abstraction has 1267 states and 1790 transitions. [2020-08-18 12:10:37,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:10:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1790 transitions. [2020-08-18 12:10:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-18 12:10:37,230 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:37,230 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] [2020-08-18 12:10:37,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:10:37,231 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:37,231 INFO L82 PathProgramCache]: Analyzing trace with hash -188990609, now seen corresponding path program 1 times [2020-08-18 12:10:37,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:37,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477884347] [2020-08-18 12:10:37,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:37,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477884347] [2020-08-18 12:10:37,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:37,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 12:10:37,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360969573] [2020-08-18 12:10:37,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:10:37,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:10:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:37,690 INFO L87 Difference]: Start difference. First operand 1267 states and 1790 transitions. Second operand 6 states. [2020-08-18 12:10:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:38,886 INFO L93 Difference]: Finished difference Result 2633 states and 3787 transitions. [2020-08-18 12:10:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:10:38,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-08-18 12:10:38,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:38,898 INFO L225 Difference]: With dead ends: 2633 [2020-08-18 12:10:38,899 INFO L226 Difference]: Without dead ends: 1271 [2020-08-18 12:10:38,903 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 [2020-08-18 12:10:38,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2020-08-18 12:10:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1265. [2020-08-18 12:10:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-08-18 12:10:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1636 transitions. [2020-08-18 12:10:38,955 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1636 transitions. Word has length 141 [2020-08-18 12:10:38,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:38,956 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1636 transitions. [2020-08-18 12:10:38,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:10:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1636 transitions. [2020-08-18 12:10:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-18 12:10:38,961 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:38,961 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] [2020-08-18 12:10:38,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:10:38,962 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1244428519, now seen corresponding path program 1 times [2020-08-18 12:10:38,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:38,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126741764] [2020-08-18 12:10:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:39,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126741764] [2020-08-18 12:10:39,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:39,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 12:10:39,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754923352] [2020-08-18 12:10:39,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:10:39,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:39,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:10:39,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:39,210 INFO L87 Difference]: Start difference. First operand 1265 states and 1636 transitions. Second operand 6 states. [2020-08-18 12:10:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:40,745 INFO L93 Difference]: Finished difference Result 3352 states and 4481 transitions. [2020-08-18 12:10:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:10:40,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-08-18 12:10:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:40,757 INFO L225 Difference]: With dead ends: 3352 [2020-08-18 12:10:40,757 INFO L226 Difference]: Without dead ends: 2093 [2020-08-18 12:10:40,761 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 [2020-08-18 12:10:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-08-18 12:10:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2087. [2020-08-18 12:10:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-08-18 12:10:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2662 transitions. [2020-08-18 12:10:40,835 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2662 transitions. Word has length 145 [2020-08-18 12:10:40,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:40,837 INFO L479 AbstractCegarLoop]: Abstraction has 2087 states and 2662 transitions. [2020-08-18 12:10:40,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:10:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2662 transitions. [2020-08-18 12:10:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-08-18 12:10:40,844 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:40,845 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] [2020-08-18 12:10:40,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:10:40,846 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:40,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:40,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2074489051, now seen corresponding path program 1 times [2020-08-18 12:10:40,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:40,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134666845] [2020-08-18 12:10:40,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:41,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134666845] [2020-08-18 12:10:41,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:41,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 12:10:41,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304196930] [2020-08-18 12:10:41,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:10:41,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:41,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:10:41,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:41,118 INFO L87 Difference]: Start difference. First operand 2087 states and 2662 transitions. Second operand 6 states. [2020-08-18 12:10:42,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:42,581 INFO L93 Difference]: Finished difference Result 5131 states and 6670 transitions. [2020-08-18 12:10:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:10:42,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-08-18 12:10:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:42,593 INFO L225 Difference]: With dead ends: 5131 [2020-08-18 12:10:42,593 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:10:42,603 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 [2020-08-18 12:10:42,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:10:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:10:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:10:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:10:42,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-08-18 12:10:42,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:42,604 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:10:42,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:10:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:10:42,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:10:42,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:10:42,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:10:42,990 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-08-18 12:10:43,608 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2020-08-18 12:10:43,889 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-18 12:10:44,103 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-18 12:10:44,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:10:44,108 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)|)) [2020-08-18 12:10:44,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:10:44,108 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 12:10:44,108 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 12:10:44,108 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 12:10:44,109 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 12:10:44,110 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,111 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 12:10:44,112 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 12:10:44,113 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,114 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 12:10:44,115 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 12:10:44,116 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 12:10:44,117 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 12:10:44,118 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 12:10:44,119 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,120 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 12:10:44,121 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 12:10:44,122 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 12:10:44,123 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,124 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 12:10:44,125 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 12:10:44,126 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 12:10:44,126 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 12:10:44,126 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 12:10:44,126 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 12:10:44,126 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)))) [2020-08-18 12:10:44,126 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,127 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 12:10:44,128 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,129 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 12:10:44,130 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 12:10:44,131 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 12:10:44,132 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 12:10:44,133 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:10:44,134 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)) [2020-08-18 12:10:44,134 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:10:44,134 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:10:44,134 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))) [2020-08-18 12:10:44,134 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 12:10:44,134 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)))) [2020-08-18 12:10:44,135 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 12:10:44,135 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 12:10:44,135 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)))) [2020-08-18 12:10:44,135 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 12:10:44,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:10:44 BoogieIcfgContainer [2020-08-18 12:10:44,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:10:44,159 INFO L168 Benchmark]: Toolchain (without parser) took 16161.49 ms. Allocated memory was 141.0 MB in the beginning and 464.5 MB in the end (delta: 323.5 MB). Free memory was 102.4 MB in the beginning and 308.0 MB in the end (delta: -205.6 MB). Peak memory consumption was 274.7 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,160 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.64 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 170.7 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,162 INFO L168 Benchmark]: Boogie Preprocessor took 114.65 ms. Allocated memory is still 205.5 MB. Free memory was 170.7 MB in the beginning and 165.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,163 INFO L168 Benchmark]: RCFGBuilder took 1376.30 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 176.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,164 INFO L168 Benchmark]: TraceAbstraction took 13862.19 ms. Allocated memory was 237.5 MB in the beginning and 464.5 MB in the end (delta: 227.0 MB). Free memory was 176.9 MB in the beginning and 308.0 MB in the end (delta: -131.1 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:44,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.64 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.4 MB in the beginning and 170.7 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.65 ms. Allocated memory is still 205.5 MB. Free memory was 170.7 MB in the beginning and 165.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1376.30 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 176.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13862.19 ms. Allocated memory was 237.5 MB in the beginning and 464.5 MB in the end (delta: 227.0 MB). Free memory was 176.9 MB in the beginning and 308.0 MB in the end (delta: -131.1 MB). Peak memory consumption was 252.7 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: 12.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 2598 SDslu, 186 SDs, 0 SdLazy, 4761 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s 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, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s 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...