/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:53:15,039 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:53:15,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:53:15,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:53:15,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:53:15,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:53:15,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:53:15,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:53:15,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:53:15,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:53:15,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:53:15,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:53:15,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:53:15,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:53:15,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:53:15,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:53:15,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:53:15,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:53:15,157 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 05:53:15,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:53:15,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:53:15,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:53:15,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:53:15,203 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:53:15,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:53:15,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:53:15,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:53:15,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:53:15,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:53:15,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:53:15,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:53:15,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:53:15,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:53:15,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:53:15,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:53:15,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:53:15,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:53:15,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:53:15,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:53:15,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:53:15,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:53:15,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:53:15,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:53:15,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:53:15,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:53:15,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:53:15,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:53:15,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:53:15,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS 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 05:53:15,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:53:15,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:53:15,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:53:15,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:53:15,543 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:53:15,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-07-20 05:53:15,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd54d548/58bdca4fa81d4587b7f3a64f5cff9f7b/FLAG9dac32aeb [2020-07-20 05:53:16,316 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:53:16,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2020-07-20 05:53:16,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd54d548/58bdca4fa81d4587b7f3a64f5cff9f7b/FLAG9dac32aeb [2020-07-20 05:53:16,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd54d548/58bdca4fa81d4587b7f3a64f5cff9f7b [2020-07-20 05:53:16,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:53:16,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:53:16,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:53:16,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:53:16,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:53:16,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:53:16" (1/1) ... [2020-07-20 05:53:16,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a320293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:16, skipping insertion in model container [2020-07-20 05:53:16,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:53:16" (1/1) ... [2020-07-20 05:53:16,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:53:16,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:53:17,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:53:17,164 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:53:17,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:53:17,456 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:53:17,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17 WrapperNode [2020-07-20 05:53:17,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:53:17,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:53:17,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:53:17,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:53:17,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (1/1) ... [2020-07-20 05:53:17,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:53:17,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:53:17,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:53:17,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:53:17,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (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 05:53:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:53:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:53:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:53:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:53:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:53:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:53:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:53:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:53:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:53:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:53:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:53:19,074 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:53:19,075 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:53:19,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:53:19 BoogieIcfgContainer [2020-07-20 05:53:19,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:53:19,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:53:19,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:53:19,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:53:19,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:53:16" (1/3) ... [2020-07-20 05:53:19,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63041f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:53:19, skipping insertion in model container [2020-07-20 05:53:19,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:17" (2/3) ... [2020-07-20 05:53:19,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63041f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:53:19, skipping insertion in model container [2020-07-20 05:53:19,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:53:19" (3/3) ... [2020-07-20 05:53:19,094 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2020-07-20 05:53:19,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:53:19,123 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:53:19,140 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:53:19,181 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:53:19,182 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:53:19,182 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:53:19,182 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:53:19,182 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:53:19,183 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:53:19,183 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:53:19,183 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:53:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 05:53:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 05:53:19,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:19,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:19,230 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:19,238 INFO L82 PathProgramCache]: Analyzing trace with hash -427743519, now seen corresponding path program 1 times [2020-07-20 05:53:19,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:19,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996976475] [2020-07-20 05:53:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e501602 [2020-07-20 05:53:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:19,985 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 05:53:19,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996976475] [2020-07-20 05:53:19,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:19,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:53:19,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011380658] [2020-07-20 05:53:19,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:53:19,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:20,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:53:20,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:53:20,021 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 05:53:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:22,941 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-20 05:53:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 05:53:22,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-07-20 05:53:22,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:22,971 INFO L225 Difference]: With dead ends: 813 [2020-07-20 05:53:22,971 INFO L226 Difference]: Without dead ends: 488 [2020-07-20 05:53:22,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:53:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-20 05:53:23,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-20 05:53:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-20 05:53:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-20 05:53:23,102 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 133 [2020-07-20 05:53:23,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:23,104 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-20 05:53:23,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:53:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-20 05:53:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-20 05:53:23,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:23,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:23,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:53:23,114 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:23,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:23,115 INFO L82 PathProgramCache]: Analyzing trace with hash -309931354, now seen corresponding path program 1 times [2020-07-20 05:53:23,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:23,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029266511] [2020-07-20 05:53:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e501602 [2020-07-20 05:53:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:23,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029266511] [2020-07-20 05:53:23,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184139729] [2020-07-20 05:53:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1dee3140 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:23,762 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1dee3140 issued 4 check-sat command(s) [2020-07-20 05:53:23,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:23,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:53:23,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:23,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:53:23,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 05:53:23,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027306771] [2020-07-20 05:53:23,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:53:23,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:23,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:53:23,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:53:23,920 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-20 05:53:24,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:24,753 INFO L93 Difference]: Finished difference Result 1246 states and 1820 transitions. [2020-07-20 05:53:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:53:24,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-20 05:53:24,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:24,764 INFO L225 Difference]: With dead ends: 1246 [2020-07-20 05:53:24,765 INFO L226 Difference]: Without dead ends: 771 [2020-07-20 05:53:24,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 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 05:53:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-07-20 05:53:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 626. [2020-07-20 05:53:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-07-20 05:53:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2020-07-20 05:53:24,833 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 141 [2020-07-20 05:53:24,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:24,834 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2020-07-20 05:53:24,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:53:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2020-07-20 05:53:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 05:53:24,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:24,843 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:25,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 05:53:25,058 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:25,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1977398583, now seen corresponding path program 1 times [2020-07-20 05:53:25,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:25,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767883081] [2020-07-20 05:53:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e501602 [2020-07-20 05:53:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:25,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767883081] [2020-07-20 05:53:25,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:25,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:53:25,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019344700] [2020-07-20 05:53:25,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:53:25,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:25,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:53:25,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:53:25,439 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand 8 states. [2020-07-20 05:53:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:27,942 INFO L93 Difference]: Finished difference Result 2340 states and 3598 transitions. [2020-07-20 05:53:27,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:53:27,943 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-07-20 05:53:27,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:27,970 INFO L225 Difference]: With dead ends: 2340 [2020-07-20 05:53:27,970 INFO L226 Difference]: Without dead ends: 1720 [2020-07-20 05:53:27,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:53:27,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-07-20 05:53:28,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1389. [2020-07-20 05:53:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1389 states. [2020-07-20 05:53:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1861 transitions. [2020-07-20 05:53:28,072 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1861 transitions. Word has length 155 [2020-07-20 05:53:28,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:28,073 INFO L479 AbstractCegarLoop]: Abstraction has 1389 states and 1861 transitions. [2020-07-20 05:53:28,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:53:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1861 transitions. [2020-07-20 05:53:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-07-20 05:53:28,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:28,086 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 05:53:28,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 05:53:28,087 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:28,088 INFO L82 PathProgramCache]: Analyzing trace with hash 150001374, now seen corresponding path program 1 times [2020-07-20 05:53:28,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:28,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003530434] [2020-07-20 05:53:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e501602 [2020-07-20 05:53:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 89 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 05:53:28,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003530434] [2020-07-20 05:53:28,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342029178] [2020-07-20 05:53:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10853334 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:28,656 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10853334 issued 4 check-sat command(s) [2020-07-20 05:53:28,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:28,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:53:28,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 05:53:28,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:53:28,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 05:53:28,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405867010] [2020-07-20 05:53:28,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 05:53:28,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:28,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 05:53:28,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:53:28,776 INFO L87 Difference]: Start difference. First operand 1389 states and 1861 transitions. Second operand 11 states. [2020-07-20 05:53:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:31,773 INFO L93 Difference]: Finished difference Result 4323 states and 6188 transitions. [2020-07-20 05:53:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 05:53:31,775 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 227 [2020-07-20 05:53:31,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:31,776 INFO L225 Difference]: With dead ends: 4323 [2020-07-20 05:53:31,776 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:53:31,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-07-20 05:53:31,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:53:31,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:53:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:53:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:53:31,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-07-20 05:53:31,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:31,800 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:53:31,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 05:53:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:53:31,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:53:32,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:32,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:53:32,854 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-07-20 05:53:33,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:53:33,077 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:53:33,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:53:33,078 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,078 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,079 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,079 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,079 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,080 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 05:53:33,080 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 05:53:33,080 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 05:53:33,080 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 05:53:33,081 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 05:53:33,082 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:53:33,082 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:53:33,082 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 05:53:33,082 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,082 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,083 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,083 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,083 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 05:53:33,084 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,084 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 05:53:33,084 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 05:53:33,084 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 05:53:33,084 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 05:53:33,085 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 05:53:33,087 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 05:53:33,087 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 05:53:33,088 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:53:33,088 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:53:33,088 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 05:53:33,089 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 05:53:33,090 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 05:53:33,090 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:53:33,090 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:53:33,090 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 05:53:33,091 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,099 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,100 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,100 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,101 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,101 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2020-07-20 05:53:33,101 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:53:33,101 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 05:53:33,101 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 05:53:33,102 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 05:53:33,106 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 05:53:33,107 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 05:53:33,107 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 05:53:33,108 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 05:53:33,109 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 05:53:33,110 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 05:53:33,110 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 05:53:33,111 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 05:53:33,113 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 05:53:33,113 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,113 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 05:53:33,114 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 05:53:33,115 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 05:53:33,115 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 05:53:33,115 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 05:53:33,115 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 05:53:33,115 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 05:53:33,116 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:53:33,117 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 05:53:33,117 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:53:33,117 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,117 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,117 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,118 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:53:33,120 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:53:33,120 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:53:33,120 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 05:53:33,121 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 05:53:33,122 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,123 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 05:53:33,124 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 05:53:33,125 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 05:53:33,125 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 05:53:33,125 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 05:53:33,125 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 05:53:33,125 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,126 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 05:53:33,127 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 05:53:33,127 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 05:53:33,127 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 05:53:33,127 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 05:53:33,127 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 05:53:33,128 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 05:53:33,129 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 05:53:33,129 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 05:53:33,129 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,129 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,129 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,130 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (= 1 |old(~a11~0)|) (not (<= 8 |old(~a17~0)|)) .cse0 .cse1) (or .cse0 (= 11 |old(~a28~0)|) .cse1) (or .cse0 .cse1 (not (<= |old(~a11~0)| 0))))) [2020-07-20 05:53:33,130 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,130 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,130 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,130 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 05:53:33,130 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 05:53:33,131 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 05:53:33,132 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 05:53:33,135 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 05:53:33,135 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 05:53:33,136 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 05:53:33,137 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,137 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,137 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,137 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,137 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 05:53:33,138 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 05:53:33,139 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,140 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 05:53:33,141 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 05:53:33,142 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:53:33,143 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a17~0 8) (<= 8 ~a17~0) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-20 05:53:33,144 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:53:33,144 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:53:33,144 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 05:53:33,144 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (and (not (= 11 ~a28~0)) .cse0) (not (<= 8 |old(~a17~0)|)) (and (<= ~a11~0 0) .cse0) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0) (not (= 1 ~a11~0))) (not (<= |old(~a11~0)| 0)))) [2020-07-20 05:53:33,144 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:53:33,144 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:53:33,145 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (and (not (= 11 ~a28~0)) .cse0) (not (<= 8 |old(~a17~0)|)) (and (<= ~a11~0 0) .cse0) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0) (not (= 1 ~a11~0))) (not (<= |old(~a11~0)| 0)))) [2020-07-20 05:53:33,145 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 05:53:33,145 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 05:53:33,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:53:33 BoogieIcfgContainer [2020-07-20 05:53:33,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:53:33,182 INFO L168 Benchmark]: Toolchain (without parser) took 16676.99 ms. Allocated memory was 136.8 MB in the beginning and 400.0 MB in the end (delta: 263.2 MB). Free memory was 98.7 MB in the beginning and 333.3 MB in the end (delta: -234.6 MB). Peak memory consumption was 275.8 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,183 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 951.76 ms. Allocated memory was 136.8 MB in the beginning and 207.6 MB in the end (delta: 70.8 MB). Free memory was 98.3 MB in the beginning and 175.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,192 INFO L168 Benchmark]: Boogie Preprocessor took 111.07 ms. Allocated memory is still 207.6 MB. Free memory was 175.0 MB in the beginning and 170.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,194 INFO L168 Benchmark]: RCFGBuilder took 1513.39 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 184.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,195 INFO L168 Benchmark]: TraceAbstraction took 14092.82 ms. Allocated memory was 237.5 MB in the beginning and 400.0 MB in the end (delta: 162.5 MB). Free memory was 184.8 MB in the beginning and 333.3 MB in the end (delta: -148.4 MB). Peak memory consumption was 261.3 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:33,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 951.76 ms. Allocated memory was 136.8 MB in the beginning and 207.6 MB in the end (delta: 70.8 MB). Free memory was 98.3 MB in the beginning and 175.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.07 ms. Allocated memory is still 207.6 MB. Free memory was 175.0 MB in the beginning and 170.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1513.39 ms. Allocated memory was 207.6 MB in the beginning and 237.5 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 184.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14092.82 ms. Allocated memory was 237.5 MB in the beginning and 400.0 MB in the end (delta: 162.5 MB). Free memory was 184.8 MB in the beginning and 333.3 MB in the end (delta: -148.4 MB). Peak memory consumption was 261.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((1 == \old(a25) || !(\old(a28) <= 7)) || (!(11 == a28) && a17 <= 8)) || !(8 <= \old(a17))) || (a11 <= 0 && a17 <= 8)) || !(\old(a17) <= 8)) || ((a17 <= 8 && 8 <= a17) && !(1 == a11))) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 SDtfs, 3164 SDslu, 218 SDs, 0 SdLazy, 4117 SolverSat, 1005 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1389occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 483 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 119 NumberOfFragments, 276 HoareAnnotationTreeSize, 55 FomulaSimplifications, 7310 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1675 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1024 NumberOfCodeBlocks, 1024 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 600358 SizeOfPredicates, 3 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 232/245 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...