/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/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:43:19,210 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:43:19,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:43:19,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:43:19,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:43:19,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:43:19,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:43:19,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:43:19,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:43:19,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:43:19,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:43:19,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:43:19,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:43:19,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:43:19,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:43:19,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:43:19,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:43:19,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:43:19,311 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 03:43:19,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:43:19,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:43:19,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:43:19,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:43:19,341 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:43:19,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:43:19,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:43:19,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:43:19,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:43:19,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:43:19,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:43:19,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:43:19,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:43:19,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:43:19,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:43:19,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:43:19,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:43:19,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:43:19,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:43:19,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:43:19,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:43:19,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:43:19,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:43:19,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:43:19,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:43:19,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:43:19,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:43:19,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:43:19,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:43:19,349 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 03:43:19,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:43:19,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:43:19,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:43:19,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:43:19,682 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:43:19,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-20 03:43:19,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9f77088/1d694e54160b44bd93b3652b95ef2360/FLAGec92d8064 [2020-07-20 03:43:20,337 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:43:20,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-07-20 03:43:20,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9f77088/1d694e54160b44bd93b3652b95ef2360/FLAGec92d8064 [2020-07-20 03:43:20,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9f77088/1d694e54160b44bd93b3652b95ef2360 [2020-07-20 03:43:20,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:43:20,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:43:20,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:43:20,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:43:20,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:43:20,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:43:20" (1/1) ... [2020-07-20 03:43:20,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703b666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:20, skipping insertion in model container [2020-07-20 03:43:20,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:43:20" (1/1) ... [2020-07-20 03:43:20,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:43:20,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:43:21,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:43:21,232 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:43:21,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:43:21,392 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:43:21,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21 WrapperNode [2020-07-20 03:43:21,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:43:21,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:43:21,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:43:21,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:43:21,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (1/1) ... [2020-07-20 03:43:21,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:43:21,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:43:21,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:43:21,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:43:21,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (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 03:43:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:43:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:43:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:43:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:43:22,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:43:22,870 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:43:22,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:43:22 BoogieIcfgContainer [2020-07-20 03:43:22,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:43:22,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:43:22,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:43:22,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:43:22,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:43:20" (1/3) ... [2020-07-20 03:43:22,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1785d55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:43:22, skipping insertion in model container [2020-07-20 03:43:22,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:43:21" (2/3) ... [2020-07-20 03:43:22,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1785d55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:43:22, skipping insertion in model container [2020-07-20 03:43:22,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:43:22" (3/3) ... [2020-07-20 03:43:22,899 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-07-20 03:43:22,910 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:43:22,925 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:43:22,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:43:22,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:43:22,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:43:22,977 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:43:22,977 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:43:22,978 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:43:22,978 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:43:22,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:43:22,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:43:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 03:43:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 03:43:23,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:43:23,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:43:23,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:43:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:43:23,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1144571695, now seen corresponding path program 1 times [2020-07-20 03:43:23,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:43:23,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301537455] [2020-07-20 03:43:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e1d713a [2020-07-20 03:43:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:23,700 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 03:43:23,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301537455] [2020-07-20 03:43:23,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:43:23,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 03:43:23,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228746109] [2020-07-20 03:43:23,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 03:43:23,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:43:23,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 03:43:23,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 03:43:23,734 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-20 03:43:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:43:25,323 INFO L93 Difference]: Finished difference Result 651 states and 1104 transitions. [2020-07-20 03:43:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:43:25,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2020-07-20 03:43:25,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:43:25,344 INFO L225 Difference]: With dead ends: 651 [2020-07-20 03:43:25,345 INFO L226 Difference]: Without dead ends: 336 [2020-07-20 03:43:25,353 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 [2020-07-20 03:43:25,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-20 03:43:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323. [2020-07-20 03:43:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-20 03:43:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-07-20 03:43:25,445 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 145 [2020-07-20 03:43:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:43:25,446 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-07-20 03:43:25,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 03:43:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-07-20 03:43:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 03:43:25,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:43:25,453 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:43:25,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:43:25,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:43:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:43:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1937270038, now seen corresponding path program 1 times [2020-07-20 03:43:25,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:43:25,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548491915] [2020-07-20 03:43:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e1d713a [2020-07-20 03:43:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:43:25,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548491915] [2020-07-20 03:43:25,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800667009] [2020-07-20 03:43:25,990 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70ac5949 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:43:26,182 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70ac5949 issued 4 check-sat command(s) [2020-07-20 03:43:26,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:43:26,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:43:26,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:43:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:43:26,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:43:26,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:43:26,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208670119] [2020-07-20 03:43:26,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:43:26,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:43:26,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:43:26,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:43:26,391 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 3 states. [2020-07-20 03:43:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:43:27,005 INFO L93 Difference]: Finished difference Result 930 states and 1390 transitions. [2020-07-20 03:43:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:43:27,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 03:43:27,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:43:27,015 INFO L225 Difference]: With dead ends: 930 [2020-07-20 03:43:27,016 INFO L226 Difference]: Without dead ends: 613 [2020-07-20 03:43:27,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:43:27,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-07-20 03:43:27,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 468. [2020-07-20 03:43:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-07-20 03:43:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 699 transitions. [2020-07-20 03:43:27,072 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 699 transitions. Word has length 153 [2020-07-20 03:43:27,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:43:27,072 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 699 transitions. [2020-07-20 03:43:27,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:43:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 699 transitions. [2020-07-20 03:43:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-20 03:43:27,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:43:27,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:43:27,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:43:27,292 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:43:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:43:27,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1556834100, now seen corresponding path program 1 times [2020-07-20 03:43:27,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:43:27,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122456336] [2020-07-20 03:43:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e1d713a [2020-07-20 03:43:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:43:27,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122456336] [2020-07-20 03:43:27,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:43:27,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:43:27,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104671242] [2020-07-20 03:43:27,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:43:27,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:43:27,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:43:27,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:43:27,516 INFO L87 Difference]: Start difference. First operand 468 states and 699 transitions. Second operand 8 states. [2020-07-20 03:43:28,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:43:28,314 INFO L93 Difference]: Finished difference Result 936 states and 1432 transitions. [2020-07-20 03:43:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 03:43:28,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-07-20 03:43:28,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:43:28,321 INFO L225 Difference]: With dead ends: 936 [2020-07-20 03:43:28,321 INFO L226 Difference]: Without dead ends: 474 [2020-07-20 03:43:28,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:43:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-07-20 03:43:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 458. [2020-07-20 03:43:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-07-20 03:43:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 640 transitions. [2020-07-20 03:43:28,350 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 640 transitions. Word has length 160 [2020-07-20 03:43:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:43:28,351 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 640 transitions. [2020-07-20 03:43:28,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:43:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 640 transitions. [2020-07-20 03:43:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-20 03:43:28,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:43:28,354 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:28,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 03:43:28,355 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:43:28,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:43:28,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1861272897, now seen corresponding path program 1 times [2020-07-20 03:43:28,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:43:28,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894266458] [2020-07-20 03:43:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e1d713a [2020-07-20 03:43:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:43:28,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894266458] [2020-07-20 03:43:28,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075541737] [2020-07-20 03:43:28,757 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@553f311b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:43:28,873 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@553f311b issued 4 check-sat command(s) [2020-07-20 03:43:28,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:43:28,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:43:28,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:43:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:43:28,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:43:28,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:43:28,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716175701] [2020-07-20 03:43:28,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:43:28,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:43:28,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:43:28,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:43:28,937 INFO L87 Difference]: Start difference. First operand 458 states and 640 transitions. Second operand 3 states. [2020-07-20 03:43:29,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:43:29,538 INFO L93 Difference]: Finished difference Result 1348 states and 1910 transitions. [2020-07-20 03:43:29,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:43:29,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-20 03:43:29,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:43:29,546 INFO L225 Difference]: With dead ends: 1348 [2020-07-20 03:43:29,546 INFO L226 Difference]: Without dead ends: 896 [2020-07-20 03:43:29,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:43:29,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-20 03:43:29,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 606. [2020-07-20 03:43:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-07-20 03:43:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 802 transitions. [2020-07-20 03:43:29,577 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 802 transitions. Word has length 171 [2020-07-20 03:43:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:43:29,578 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 802 transitions. [2020-07-20 03:43:29,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:43:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 802 transitions. [2020-07-20 03:43:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-20 03:43:29,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:43:29,582 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:43:29,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:43:29,797 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:43:29,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:43:29,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1498585392, now seen corresponding path program 1 times [2020-07-20 03:43:29,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:43:29,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189744573] [2020-07-20 03:43:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e1d713a [2020-07-20 03:43:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:43:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 03:43:30,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189744573] [2020-07-20 03:43:30,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294251305] [2020-07-20 03:43:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@516be7a2 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 03:43:30,246 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@516be7a2 issued 4 check-sat command(s) [2020-07-20 03:43:30,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:43:30,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:43:30,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:43:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 03:43:30,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:43:30,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:43:30,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792183610] [2020-07-20 03:43:30,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:43:30,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:43:30,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:43:30,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:43:30,337 INFO L87 Difference]: Start difference. First operand 606 states and 802 transitions. Second operand 3 states. [2020-07-20 03:43:31,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:43:31,149 INFO L93 Difference]: Finished difference Result 1496 states and 2025 transitions. [2020-07-20 03:43:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:43:31,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-07-20 03:43:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:43:31,152 INFO L225 Difference]: With dead ends: 1496 [2020-07-20 03:43:31,152 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:43:31,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:43:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:43:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:43:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:43:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:43:31,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-20 03:43:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:43:31,158 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:43:31,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:43:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:43:31,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:43:31,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:43:31,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:43:31,902 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-07-20 03:43:32,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:43:32,087 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:43:32,088 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:43:32,088 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,088 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,088 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 03:43:32,089 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:43:32,090 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 03:43:32,091 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 03:43:32,092 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:43:32,093 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 589) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:43:32,094 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 03:43:32,095 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,096 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 03:43:32,097 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,098 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 03:43:32,099 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 03:43:32,100 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 03:43:32,100 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 03:43:32,100 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 03:43:32,100 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 03:43:32,100 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 03:43:32,101 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 03:43:32,101 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 03:43:32,101 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:43:32,101 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 03:43:32,101 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:43:32,102 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,102 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,102 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,102 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,102 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:43:32,103 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:43:32,104 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,104 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,104 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 03:43:32,104 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 03:43:32,104 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 03:43:32,105 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,106 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 03:43:32,107 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,108 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 03:43:32,109 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 03:43:32,110 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 03:43:32,111 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 03:43:32,111 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,111 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,111 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,111 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (not (<= |old(~a28~0)| 10)) .cse0 .cse1) (or .cse0 .cse1 (= |old(~a19~0)| |old(~a25~0)|)) (or (not (<= 8 |old(~a17~0)|)) .cse0 .cse1))) [2020-07-20 03:43:32,112 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,112 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,112 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,112 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 03:43:32,112 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 03:43:32,113 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 03:43:32,113 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 03:43:32,113 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 03:43:32,113 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 03:43:32,113 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 03:43:32,114 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 03:43:32,115 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,115 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,115 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,115 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,115 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,116 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,116 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 03:43:32,116 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 03:43:32,116 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 03:43:32,116 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 03:43:32,117 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 03:43:32,118 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 03:43:32,118 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:43:32,118 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:43:32,118 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 03:43:32,118 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,119 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 03:43:32,120 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:43:32,121 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 03:43:32,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:43:32,123 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 ~a19~0)) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 03:43:32,123 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:43:32,123 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:43:32,123 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (= |old(~a19~0)| |old(~a25~0)|)) [2020-07-20 03:43:32,124 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (= |old(~a19~0)| |old(~a25~0)|) (and (not (= ~a25~0 ~a19~0)) .cse0))) [2020-07-20 03:43:32,124 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:43:32,124 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:43:32,124 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (= |old(~a19~0)| |old(~a25~0)|) (and (not (= ~a25~0 ~a19~0)) .cse0))) [2020-07-20 03:43:32,124 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 03:43:32,124 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 03:43:32,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:43:32 BoogieIcfgContainer [2020-07-20 03:43:32,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:43:32,150 INFO L168 Benchmark]: Toolchain (without parser) took 11513.57 ms. Allocated memory was 148.9 MB in the beginning and 393.7 MB in the end (delta: 244.8 MB). Free memory was 104.7 MB in the beginning and 325.1 MB in the end (delta: -220.4 MB). Peak memory consumption was 205.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,151 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 148.9 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.52 ms. Allocated memory was 148.9 MB in the beginning and 207.1 MB in the end (delta: 58.2 MB). Free memory was 104.3 MB in the beginning and 173.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,153 INFO L168 Benchmark]: Boogie Preprocessor took 107.35 ms. Allocated memory is still 207.1 MB. Free memory was 173.5 MB in the beginning and 168.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,154 INFO L168 Benchmark]: RCFGBuilder took 1381.27 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 168.9 MB in the beginning and 173.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,155 INFO L168 Benchmark]: TraceAbstraction took 9264.94 ms. Allocated memory was 234.4 MB in the beginning and 393.7 MB in the end (delta: 159.4 MB). Free memory was 173.4 MB in the beginning and 325.1 MB in the end (delta: -151.8 MB). Peak memory consumption was 188.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:43:32,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 148.9 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.52 ms. Allocated memory was 148.9 MB in the beginning and 207.1 MB in the end (delta: 58.2 MB). Free memory was 104.3 MB in the beginning and 173.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.35 ms. Allocated memory is still 207.1 MB. Free memory was 173.5 MB in the beginning and 168.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1381.27 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 168.9 MB in the beginning and 173.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9264.94 ms. Allocated memory was 234.4 MB in the beginning and 393.7 MB in the end (delta: 159.4 MB). Free memory was 173.4 MB in the beginning and 325.1 MB in the end (delta: -151.8 MB). Peak memory consumption was 188.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 589]: 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: 606]: Loop Invariant Derived loop invariant: ((((((a17 <= 8 && a28 <= 10) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17)) || \old(a19) == \old(a25)) || (!(a25 == a19) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 243 SDtfs, 1168 SDslu, 97 SDs, 0 SdLazy, 2174 SolverSat, 494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 464 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 25 PreInvPairs, 37 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 3261 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 470 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1313 NumberOfCodeBlocks, 1313 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1305 ConstructedInterpolants, 0 QuantifiedInterpolants, 1060088 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1178 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 142/152 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...