/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:41:15,388 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:41:15,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:41:15,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:41:15,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:41:15,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:41:15,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:41:15,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:41:15,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:41:15,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:41:15,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:41:15,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:41:15,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:41:15,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:41:15,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:41:15,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:41:15,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:41:15,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:41:15,488 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 03:41:15,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:41:15,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:41:15,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:41:15,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:41:15,525 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:41:15,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:41:15,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:41:15,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:41:15,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:41:15,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:41:15,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:41:15,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:41:15,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:41:15,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:41:15,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:41:15,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:41:15,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:41:15,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:41:15,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:41:15,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:41:15,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:41:15,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:41:15,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:41:15,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:41:15,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:41:15,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:41:15,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:41:15,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:41:15,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:41:15,537 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 03:41:15,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:41:15,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:41:15,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:41:15,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:41:15,842 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:41:15,843 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-20 03:41:15,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e07d48c/04ada42b68314fe9a3dd13bed8c19612/FLAG41596580a [2020-07-20 03:41:16,587 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:41:16,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-20 03:41:16,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e07d48c/04ada42b68314fe9a3dd13bed8c19612/FLAG41596580a [2020-07-20 03:41:16,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e07d48c/04ada42b68314fe9a3dd13bed8c19612 [2020-07-20 03:41:16,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:41:16,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:41:16,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:41:16,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:41:16,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:41:16,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:16" (1/1) ... [2020-07-20 03:41:16,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d46a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:16, skipping insertion in model container [2020-07-20 03:41:16,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:16" (1/1) ... [2020-07-20 03:41:16,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:41:16,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:41:17,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:41:17,592 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:41:17,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:41:17,753 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:41:17,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17 WrapperNode [2020-07-20 03:41:17,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:41:17,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:41:17,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:41:17,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:41:17,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (1/1) ... [2020-07-20 03:41:17,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:41:17,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:41:17,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:41:17,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:41:17,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (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 03:41:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:41:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:41:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:41:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:41:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:41:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:41:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:41:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:41:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:41:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:41:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:41:19,166 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:41:19,166 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:41:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:19 BoogieIcfgContainer [2020-07-20 03:41:19,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:41:19,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:41:19,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:41:19,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:41:19,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:41:16" (1/3) ... [2020-07-20 03:41:19,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62acc9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:19, skipping insertion in model container [2020-07-20 03:41:19,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:17" (2/3) ... [2020-07-20 03:41:19,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62acc9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:19, skipping insertion in model container [2020-07-20 03:41:19,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:19" (3/3) ... [2020-07-20 03:41:19,183 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-07-20 03:41:19,195 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:41:19,204 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:41:19,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:41:19,247 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:41:19,247 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:41:19,248 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:41:19,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:41:19,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:41:19,248 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:41:19,248 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:41:19,248 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:41:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 03:41:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 03:41:19,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:19,288 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] [2020-07-20 03:41:19,288 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:19,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-07-20 03:41:19,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:19,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118642808] [2020-07-20 03:41:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:19,898 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 03:41:19,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118642808] [2020-07-20 03:41:19,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:41:19,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:41:19,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812056090] [2020-07-20 03:41:19,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:41:19,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:19,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:41:19,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:19,927 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 03:41:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:21,445 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 03:41:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:41:21,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-20 03:41:21,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:21,465 INFO L225 Difference]: With dead ends: 557 [2020-07-20 03:41:21,465 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 03:41:21,474 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 03:41:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 03:41:21,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 03:41:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 03:41:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 03:41:21,559 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-07-20 03:41:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:21,561 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 03:41:21,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:41:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 03:41:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-20 03:41:21,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:21,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:21,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:41:21,566 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:21,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:21,567 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-07-20 03:41:21,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:21,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975336469] [2020-07-20 03:41:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:21,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975336469] [2020-07-20 03:41:21,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:41:21,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:41:21,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528893308] [2020-07-20 03:41:21,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:41:21,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:21,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:41:21,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:21,778 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 03:41:23,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:23,500 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 03:41:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 03:41:23,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-07-20 03:41:23,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:23,510 INFO L225 Difference]: With dead ends: 713 [2020-07-20 03:41:23,511 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 03:41:23,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:41:23,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 03:41:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 03:41:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 03:41:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 03:41:23,564 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-07-20 03:41:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:23,564 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 03:41:23,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:41:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 03:41:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 03:41:23,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:23,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:23,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:41:23,570 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-07-20 03:41:23,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:23,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521181376] [2020-07-20 03:41:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:24,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521181376] [2020-07-20 03:41:24,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833666845] [2020-07-20 03:41:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69d8f111 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 03:41:24,245 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69d8f111 issued 4 check-sat command(s) [2020-07-20 03:41:24,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:24,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:24,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:24,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:24,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:41:24,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734717517] [2020-07-20 03:41:24,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:24,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:24,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:24,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:41:24,349 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 03:41:25,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:25,194 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-20 03:41:25,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:25,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-20 03:41:25,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:25,202 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 03:41:25,203 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 03:41:25,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 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 03:41:25,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 03:41:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 03:41:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 03:41:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-20 03:41:25,264 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-07-20 03:41:25,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:25,265 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-20 03:41:25,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-20 03:41:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-20 03:41:25,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:25,270 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 03:41:25,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 03:41:25,487 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:25,487 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-07-20 03:41:25,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:25,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721679492] [2020-07-20 03:41:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:25,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721679492] [2020-07-20 03:41:25,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209383273] [2020-07-20 03:41:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1cf904e3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:25,867 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1cf904e3 issued 4 check-sat command(s) [2020-07-20 03:41:25,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:25,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:25,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:25,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:25,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 03:41:25,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448756696] [2020-07-20 03:41:25,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:25,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:25,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:25,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:41:25,925 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-20 03:41:26,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:26,704 INFO L93 Difference]: Finished difference Result 2345 states and 3186 transitions. [2020-07-20 03:41:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:26,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-20 03:41:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:26,715 INFO L225 Difference]: With dead ends: 2345 [2020-07-20 03:41:26,716 INFO L226 Difference]: Without dead ends: 1519 [2020-07-20 03:41:26,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:41:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-07-20 03:41:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-07-20 03:41:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-07-20 03:41:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1968 transitions. [2020-07-20 03:41:26,780 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1968 transitions. Word has length 126 [2020-07-20 03:41:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:26,781 INFO L479 AbstractCegarLoop]: Abstraction has 1519 states and 1968 transitions. [2020-07-20 03:41:26,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1968 transitions. [2020-07-20 03:41:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 03:41:26,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:26,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:27,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:27,002 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:27,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:27,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-07-20 03:41:27,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:27,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988056512] [2020-07-20 03:41:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:27,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988056512] [2020-07-20 03:41:27,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016954993] [2020-07-20 03:41:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@daf40db 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 03:41:27,267 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@daf40db issued 4 check-sat command(s) [2020-07-20 03:41:27,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:27,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:27,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 03:41:27,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:27,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:41:27,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548556174] [2020-07-20 03:41:27,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:27,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:27,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:27,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:27,342 INFO L87 Difference]: Start difference. First operand 1519 states and 1968 transitions. Second operand 3 states. [2020-07-20 03:41:27,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:27,902 INFO L93 Difference]: Finished difference Result 4126 states and 5489 transitions. [2020-07-20 03:41:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:27,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-20 03:41:27,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:27,919 INFO L225 Difference]: With dead ends: 4126 [2020-07-20 03:41:27,919 INFO L226 Difference]: Without dead ends: 2613 [2020-07-20 03:41:27,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2020-07-20 03:41:27,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2478. [2020-07-20 03:41:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-20 03:41:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3239 transitions. [2020-07-20 03:41:28,004 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3239 transitions. Word has length 145 [2020-07-20 03:41:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:28,004 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3239 transitions. [2020-07-20 03:41:28,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3239 transitions. [2020-07-20 03:41:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 03:41:28,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:28,013 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 03:41:28,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:28,229 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:28,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:28,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1995296009, now seen corresponding path program 1 times [2020-07-20 03:41:28,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:28,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079346219] [2020-07-20 03:41:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:28,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079346219] [2020-07-20 03:41:28,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824490806] [2020-07-20 03:41:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@aadcbd6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:28,592 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@aadcbd6 issued 4 check-sat command(s) [2020-07-20 03:41:28,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:28,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:28,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:28,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:28,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:41:28,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446917293] [2020-07-20 03:41:28,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:41:28,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:28,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:41:28,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:41:28,662 INFO L87 Difference]: Start difference. First operand 2478 states and 3239 transitions. Second operand 10 states. [2020-07-20 03:41:28,962 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-07-20 03:41:32,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:32,664 INFO L93 Difference]: Finished difference Result 6903 states and 9439 transitions. [2020-07-20 03:41:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 03:41:32,664 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-07-20 03:41:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:32,690 INFO L225 Difference]: With dead ends: 6903 [2020-07-20 03:41:32,690 INFO L226 Difference]: Without dead ends: 4431 [2020-07-20 03:41:32,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2020-07-20 03:41:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2020-07-20 03:41:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 3088. [2020-07-20 03:41:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3088 states. [2020-07-20 03:41:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3846 transitions. [2020-07-20 03:41:32,832 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3846 transitions. Word has length 169 [2020-07-20 03:41:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:32,833 INFO L479 AbstractCegarLoop]: Abstraction has 3088 states and 3846 transitions. [2020-07-20 03:41:32,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:41:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3846 transitions. [2020-07-20 03:41:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 03:41:32,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:32,844 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:33,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:33,060 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:33,061 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-07-20 03:41:33,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:33,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126756559] [2020-07-20 03:41:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 03:41:33,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126756559] [2020-07-20 03:41:33,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528309823] [2020-07-20 03:41:33,324 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e8d78e0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:33,502 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e8d78e0 issued 4 check-sat command(s) [2020-07-20 03:41:33,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:33,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:33,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-20 03:41:33,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:33,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:41:33,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013436940] [2020-07-20 03:41:33,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:41:33,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:33,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:41:33,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:41:33,587 INFO L87 Difference]: Start difference. First operand 3088 states and 3846 transitions. Second operand 10 states. [2020-07-20 03:41:34,102 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-07-20 03:41:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:37,646 INFO L93 Difference]: Finished difference Result 8730 states and 11074 transitions. [2020-07-20 03:41:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 03:41:37,646 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-07-20 03:41:37,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:37,676 INFO L225 Difference]: With dead ends: 8730 [2020-07-20 03:41:37,677 INFO L226 Difference]: Without dead ends: 5175 [2020-07-20 03:41:37,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-07-20 03:41:37,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-07-20 03:41:37,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 4303. [2020-07-20 03:41:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-07-20 03:41:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4838 transitions. [2020-07-20 03:41:37,838 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4838 transitions. Word has length 222 [2020-07-20 03:41:37,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:37,838 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4838 transitions. [2020-07-20 03:41:37,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:41:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4838 transitions. [2020-07-20 03:41:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-20 03:41:37,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:37,851 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:38,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 03:41:38,066 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:38,067 INFO L82 PathProgramCache]: Analyzing trace with hash 408719819, now seen corresponding path program 1 times [2020-07-20 03:41:38,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:38,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782103484] [2020-07-20 03:41:38,068 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39cb54b4 [2020-07-20 03:41:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-20 03:41:38,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782103484] [2020-07-20 03:41:38,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529495173] [2020-07-20 03:41:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@76f71efe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:38,511 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@76f71efe issued 4 check-sat command(s) [2020-07-20 03:41:38,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:38,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:38,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 03:41:38,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:38,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:41:38,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642121498] [2020-07-20 03:41:38,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:41:38,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:38,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:41:38,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:41:38,639 INFO L87 Difference]: Start difference. First operand 4303 states and 4838 transitions. Second operand 10 states. [2020-07-20 03:41:38,884 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-20 03:41:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:43,371 INFO L93 Difference]: Finished difference Result 10321 states and 12192 transitions. [2020-07-20 03:41:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-20 03:41:43,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-07-20 03:41:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:43,373 INFO L225 Difference]: With dead ends: 10321 [2020-07-20 03:41:43,373 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:41:43,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=1081, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 03:41:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:41:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:41:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:41:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:41:43,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-07-20 03:41:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:43,402 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:41:43,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:41:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:41:43,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:41:43,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:43,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:41:45,412 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-20 03:41:45,884 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-20 03:41:48,108 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-07-20 03:41:48,920 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-20 03:41:49,696 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-20 03:41:49,701 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:41:49,702 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 03:41:49,702 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:41:49,702 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 03:41:49,702 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 03:41:49,702 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 03:41:49,703 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,704 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 03:41:49,705 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 03:41:49,706 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,707 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 03:41:49,708 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 03:41:49,709 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 03:41:49,710 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 03:41:49,711 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,712 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 03:41:49,713 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 03:41:49,714 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 03:41:49,715 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,716 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 03:41:49,717 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 ~a21~0)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse18 (not (<= |old(~a8~0)| 14))) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a8~0)| 13))) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse16 (= 1 ~a20~0)) (.cse20 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (not (<= |old(~a17~0)| 0))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse16 .cse20)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse17 (and (or .cse6 .cse18 .cse2 .cse10) (or .cse6 .cse2 .cse7))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse19)) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse8) (or .cse6 .cse9 .cse1 .cse10 .cse4) (or .cse6 .cse9 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse4 .cse5) (or .cse0 .cse17 .cse8) (or .cse0 .cse18 .cse2 .cse3 (not (<= |old(~a16~0)| 4)) (and .cse11 .cse12 .cse13 .cse14 .cse19 .cse20)) (or .cse1 (and (or .cse18 .cse2 .cse3 .cse4) (or (and (or .cse9 .cse2 .cse7) (or .cse6 .cse9 .cse18)) .cse4) (or .cse17 .cse4))) (or .cse9 .cse1 .cse3 .cse4)))) [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,718 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,719 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 03:41:49,720 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,721 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 03:41:49,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:41:49,723 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-20 03:41:49,723 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:41:49,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:41:49,723 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (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 (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-20 03:41:49,723 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:41:49,723 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-20 03:41:49,723 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 03:41:49,723 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 03:41:49,723 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-20 03:41:49,723 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:41:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:41:49 BoogieIcfgContainer [2020-07-20 03:41:49,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:41:49,755 INFO L168 Benchmark]: Toolchain (without parser) took 32951.14 ms. Allocated memory was 138.4 MB in the beginning and 686.8 MB in the end (delta: 548.4 MB). Free memory was 101.2 MB in the beginning and 440.0 MB in the end (delta: -338.9 MB). Peak memory consumption was 564.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,756 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.58 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.7 MB in the beginning and 170.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,763 INFO L168 Benchmark]: Boogie Preprocessor took 110.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,763 INFO L168 Benchmark]: RCFGBuilder took 1307.88 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.1 MB in the beginning and 179.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,767 INFO L168 Benchmark]: TraceAbstraction took 30576.54 ms. Allocated memory was 237.5 MB in the beginning and 686.8 MB in the end (delta: 449.3 MB). Free memory was 179.8 MB in the beginning and 440.0 MB in the end (delta: -260.2 MB). Peak memory consumption was 544.1 MB. Max. memory is 7.1 GB. [2020-07-20 03:41:49,771 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 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 947.58 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.7 MB in the beginning and 170.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.88 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.1 MB in the beginning and 179.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30576.54 ms. Allocated memory was 237.5 MB in the beginning and 686.8 MB in the end (delta: 449.3 MB). Free memory was 179.8 MB in the beginning and 440.0 MB in the end (delta: -260.2 MB). Peak memory consumption was 544.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: ((((((((((((((((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)) && 1 == a21) || ((a7 <= 0 && 1 == a21) && a20 <= 0)) || !(\old(a7) <= 0)) || (((a17 <= 0 && a7 <= 0) && 1 == a21) && 1 == a20)) || ((((1 == a7 && a17 <= 0) && a16 <= 5) && 1 == a21) && a20 <= 0)) || (((1 == a7 && a20 <= 0) && a8 <= 14) && a16 <= 4)) || !(5 <= \old(a16))) || (1 == a7 && ((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 == a20)) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((((a8 <= 13 && a7 <= 0) && a16 <= 5) || ((a7 <= 0 && 1 == a20) && a8 <= 14)) && 1 == a21)) || (((a7 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20)) || (((a16 <= 5 && 1 == a21) && a20 <= 0) && a8 <= 14)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 4160 SDslu, 559 SDs, 0 SdLazy, 11469 SolverSat, 1818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4303occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 211 PreInvPairs, 433 NumberOfFragments, 883 HoareAnnotationTreeSize, 211 FomulaSimplifications, 310496 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13233 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2244 NumberOfCodeBlocks, 2244 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2230 ConstructedInterpolants, 0 QuantifiedInterpolants, 999642 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1024/1093 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...