/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.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:40:54,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:40:54,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:40:54,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 03:40:54,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:40:54,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:40:54,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:40:54,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:40:54,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:40:54,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:40:54,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:40:54,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:40:54,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:40:54,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:40:54,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:40:54,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:40:54,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:40:54,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:40:54,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:40:54,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:40:54,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 03:40:54,670 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:40:54,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:40:54,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:40:54,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:40:54,672 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:40:54,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:40:54,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:40:54,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:40:54,674 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:40:54,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:40:54,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:40:54,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:40:54,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:40:54,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:40:54,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:40:54,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:40:54,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:40:54,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:40:54,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:40:54,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:40:54,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:40:54,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:40:54,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:40:54,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:40:54,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:40:54,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:40:54,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:40:54,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:40:54,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:40:54,983 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:40:54,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2020-07-20 03:40:55,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aab51631/9c4a31ae8aed45629683b7c162792c8f/FLAG7213e3ac2 [2020-07-20 03:40:55,650 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:40:55,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2020-07-20 03:40:55,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aab51631/9c4a31ae8aed45629683b7c162792c8f/FLAG7213e3ac2 [2020-07-20 03:40:55,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aab51631/9c4a31ae8aed45629683b7c162792c8f [2020-07-20 03:40:55,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:40:55,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:40:55,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:40:55,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:40:55,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:40:55,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:55" (1/1) ... [2020-07-20 03:40:55,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab40a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:55, skipping insertion in model container [2020-07-20 03:40:55,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:55" (1/1) ... [2020-07-20 03:40:55,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:40:56,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:40:56,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:40:56,598 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:40:56,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:40:56,776 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:40:56,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56 WrapperNode [2020-07-20 03:40:56,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:40:56,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:40:56,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:40:56,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:40:56,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... [2020-07-20 03:40:56,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:40:56,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:40:56,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:40:56,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:40:56,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 03:40:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:40:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:40:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:40:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:40:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:40:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:40:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:40:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:40:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:40:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:40:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:40:58,327 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:40:58,327 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:40:58,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:40:58 BoogieIcfgContainer [2020-07-20 03:40:58,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:40:58,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:40:58,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:40:58,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:40:58,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:40:55" (1/3) ... [2020-07-20 03:40:58,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c7fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:40:58, skipping insertion in model container [2020-07-20 03:40:58,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:56" (2/3) ... [2020-07-20 03:40:58,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c7fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:40:58, skipping insertion in model container [2020-07-20 03:40:58,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:40:58" (3/3) ... [2020-07-20 03:40:58,360 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label13.c [2020-07-20 03:40:58,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:40:58,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:40:58,394 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:40:58,423 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:40:58,423 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:40:58,423 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:40:58,423 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:40:58,424 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:40:58,424 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:40:58,424 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:40:58,424 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:40:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 03:40:58,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 03:40:58,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:58,465 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] [2020-07-20 03:40:58,466 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:58,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:58,473 INFO L82 PathProgramCache]: Analyzing trace with hash -2118591881, now seen corresponding path program 1 times [2020-07-20 03:40:58,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:58,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302639301] [2020-07-20 03:40:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-20 03:40:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:59,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302639301] [2020-07-20 03:40:59,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:40:59,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:40:59,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581798845] [2020-07-20 03:40:59,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:40:59,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:59,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:40:59,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:40:59,174 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 03:41:00,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:00,919 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 03:41:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:41:00,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-07-20 03:41:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:00,957 INFO L225 Difference]: With dead ends: 557 [2020-07-20 03:41:00,958 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 03:41:00,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:00,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 03:41:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 03:41:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 03:41:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-07-20 03:41:01,045 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 129 [2020-07-20 03:41:01,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:01,047 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-07-20 03:41:01,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:41:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-07-20 03:41:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 03:41:01,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:01,053 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] [2020-07-20 03:41:01,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:41:01,053 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:01,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:01,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2105809670, now seen corresponding path program 1 times [2020-07-20 03:41:01,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:01,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912152198] [2020-07-20 03:41:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-20 03:41:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:01,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912152198] [2020-07-20 03:41:01,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:41:01,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:41:01,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755377789] [2020-07-20 03:41:01,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:41:01,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:01,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:41:01,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:01,343 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-07-20 03:41:03,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:03,420 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-07-20 03:41:03,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 03:41:03,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-07-20 03:41:03,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:03,437 INFO L225 Difference]: With dead ends: 987 [2020-07-20 03:41:03,437 INFO L226 Difference]: Without dead ends: 713 [2020-07-20 03:41:03,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-07-20 03:41:03,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-07-20 03:41:03,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-07-20 03:41:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-07-20 03:41:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions. [2020-07-20 03:41:03,519 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 138 [2020-07-20 03:41:03,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:03,519 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 978 transitions. [2020-07-20 03:41:03,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:41:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions. [2020-07-20 03:41:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-20 03:41:03,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:03,526 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:03,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:41:03,527 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:03,527 INFO L82 PathProgramCache]: Analyzing trace with hash 600184111, now seen corresponding path program 1 times [2020-07-20 03:41:03,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:03,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151641068] [2020-07-20 03:41:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-20 03:41:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:03,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151641068] [2020-07-20 03:41:03,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829976925] [2020-07-20 03:41:03,788 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2cb4e19b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:03,995 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2cb4e19b issued 4 check-sat command(s) [2020-07-20 03:41:03,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:04,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:04,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 03:41:04,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:04,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:41:04,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415080904] [2020-07-20 03:41:04,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:04,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:04,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:04,224 INFO L87 Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 3 states. [2020-07-20 03:41:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:04,876 INFO L93 Difference]: Finished difference Result 2079 states and 2984 transitions. [2020-07-20 03:41:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:04,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-07-20 03:41:04,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:04,895 INFO L225 Difference]: With dead ends: 2079 [2020-07-20 03:41:04,896 INFO L226 Difference]: Without dead ends: 1386 [2020-07-20 03:41:04,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:04,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2020-07-20 03:41:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1112. [2020-07-20 03:41:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-07-20 03:41:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1528 transitions. [2020-07-20 03:41:04,954 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1528 transitions. Word has length 163 [2020-07-20 03:41:04,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:04,955 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1528 transitions. [2020-07-20 03:41:04,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1528 transitions. [2020-07-20 03:41:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 03:41:04,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:04,962 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:41:05,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 03:41:05,176 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:05,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:05,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1121452227, now seen corresponding path program 1 times [2020-07-20 03:41:05,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:05,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619668580] [2020-07-20 03:41:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-20 03:41:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:05,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619668580] [2020-07-20 03:41:05,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062688224] [2020-07-20 03:41:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ab8205d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:05,691 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ab8205d issued 4 check-sat command(s) [2020-07-20 03:41:05,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:05,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:05,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:05,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:41:05,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638934482] [2020-07-20 03:41:05,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:41:05,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:05,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:41:05,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:41:05,835 INFO L87 Difference]: Start difference. First operand 1112 states and 1528 transitions. Second operand 10 states. [2020-07-20 03:41:10,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:10,153 INFO L93 Difference]: Finished difference Result 3532 states and 5712 transitions. [2020-07-20 03:41:10,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 03:41:10,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-07-20 03:41:10,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:10,188 INFO L225 Difference]: With dead ends: 3532 [2020-07-20 03:41:10,188 INFO L226 Difference]: Without dead ends: 2426 [2020-07-20 03:41:10,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2020-07-20 03:41:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2020-07-20 03:41:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1563. [2020-07-20 03:41:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-07-20 03:41:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2099 transitions. [2020-07-20 03:41:10,335 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2099 transitions. Word has length 212 [2020-07-20 03:41:10,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:10,335 INFO L479 AbstractCegarLoop]: Abstraction has 1563 states and 2099 transitions. [2020-07-20 03:41:10,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:41:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2099 transitions. [2020-07-20 03:41:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-20 03:41:10,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:10,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:41:10,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:10,558 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:10,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:10,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1334176843, now seen corresponding path program 1 times [2020-07-20 03:41:10,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:10,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943056496] [2020-07-20 03:41:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@38d329a [2020-07-20 03:41:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 03:41:10,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943056496] [2020-07-20 03:41:10,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998565626] [2020-07-20 03:41:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@768b6cfc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:11,119 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@768b6cfc issued 4 check-sat command(s) [2020-07-20 03:41:11,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:11,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:11,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 03:41:11,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:11,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-20 03:41:11,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238528184] [2020-07-20 03:41:11,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:11,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:11,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:11,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:11,196 INFO L87 Difference]: Start difference. First operand 1563 states and 2099 transitions. Second operand 3 states. [2020-07-20 03:41:11,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:11,742 INFO L93 Difference]: Finished difference Result 2266 states and 3014 transitions. [2020-07-20 03:41:11,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:11,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-07-20 03:41:11,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:11,744 INFO L225 Difference]: With dead ends: 2266 [2020-07-20 03:41:11,744 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:41:11,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:41:11,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:41:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:41:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:41:11,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-07-20 03:41:11,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:11,752 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:41:11,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:41:11,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:41:11,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:11,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:41:12,333 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-20 03:41:12,467 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-20 03:41:12,897 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2020-07-20 03:41:12,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:41:12,980 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:41:12,980 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:41:12,980 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 03:41:12,980 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 03:41:12,980 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,980 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,981 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,981 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,981 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,981 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,982 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 03:41:12,982 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 03:41:12,982 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 03:41:12,982 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 03:41:12,983 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 03:41:12,983 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 03:41:12,983 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 03:41:12,983 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 03:41:12,983 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,984 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 03:41:12,985 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 03:41:12,986 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 03:41:12,987 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,988 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 03:41:12,989 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,990 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 03:41:12,991 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,992 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 03:41:12,993 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 03:41:12,994 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 03:41:12,995 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,996 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 03:41:12,997 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 03:41:12,998 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 03:41:12,998 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 03:41:12,998 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 03:41:12,998 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|))) (let ((.cse0 (and .cse3 .cse4 .cse5 .cse6 (= 1 ~a21~0) .cse7)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~a21~0 |old(~a21~0)|)))) (and (or (not (<= 15 |old(~a8~0)|)) .cse0 .cse1) (or (not (<= |old(~a7~0)| 0)) .cse0 .cse1) (or (not (<= |old(~a17~0)| 0)) .cse2) (or (not (<= |old(~a16~0)| 5)) .cse2)))) [2020-07-20 03:41:12,998 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 03:41:12,999 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 03:41:13,000 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,001 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 03:41:13,002 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 03:41:13,003 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 03:41:13,004 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (= 1 ~a21~0)) [2020-07-20 03:41:13,005 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a21~0)|))) [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (and (<= ~a7~0 0) .cse0) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse0) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a21~0)|)))) [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 03:41:13,005 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (and (<= ~a7~0 0) .cse0) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse0) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a21~0)|)))) [2020-07-20 03:41:13,006 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:41:13,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:41:13 BoogieIcfgContainer [2020-07-20 03:41:13,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:41:13,034 INFO L168 Benchmark]: Toolchain (without parser) took 17072.99 ms. Allocated memory was 135.8 MB in the beginning and 458.8 MB in the end (delta: 323.0 MB). Free memory was 97.2 MB in the beginning and 236.1 MB in the end (delta: -138.9 MB). Peak memory consumption was 339.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,036 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.90 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 96.7 MB in the beginning and 168.9 MB in the end (delta: -72.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,038 INFO L168 Benchmark]: Boogie Preprocessor took 166.18 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 163.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,039 INFO L168 Benchmark]: RCFGBuilder took 1395.99 ms. Allocated memory was 203.4 MB in the beginning and 231.7 MB in the end (delta: 28.3 MB). Free memory was 163.7 MB in the beginning and 178.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,040 INFO L168 Benchmark]: TraceAbstraction took 14686.63 ms. Allocated memory was 231.7 MB in the beginning and 458.8 MB in the end (delta: 227.0 MB). Free memory was 178.5 MB in the beginning and 236.1 MB in the end (delta: -57.6 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:13,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.90 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 96.7 MB in the beginning and 168.9 MB in the end (delta: -72.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.18 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 163.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1395.99 ms. Allocated memory was 203.4 MB in the beginning and 231.7 MB in the end (delta: 28.3 MB). Free memory was 163.7 MB in the beginning and 178.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14686.63 ms. Allocated memory was 231.7 MB in the beginning and 458.8 MB in the end (delta: 227.0 MB). Free memory was 178.5 MB in the beginning and 236.1 MB in the end (delta: -57.6 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: (((((((a7 <= 0 && 1 == a21) || !(15 <= \old(a8))) || (15 <= a8 && 1 == a21)) || a17 <= 0) || !(\old(a7) <= 0)) || a16 <= 5) || !(\old(a16) <= 5)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 2234 SDslu, 245 SDs, 0 SdLazy, 4850 SolverSat, 1150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 625 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1563occurred in iteration=4, 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, 5 MinimizatonAttempts, 1157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 39 PreInvPairs, 73 NumberOfFragments, 287 HoareAnnotationTreeSize, 39 FomulaSimplifications, 36583 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1529 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 638216 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1456 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 444/452 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...