/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:50:50,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:50:50,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:50:50,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:50:50,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:50:50,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:50:50,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:50:50,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:50:50,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:50:50,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:50:50,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:50:50,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:50:50,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:50:50,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:50:50,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:50:50,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:50:50,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:50:50,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:50:50,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:50:50,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:50:50,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:50:50,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:50:50,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:50:50,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:50:50,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:50:50,249 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 [2020-08-22 16:50:50,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:50:50,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:50:50,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:50:50,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:50:50,274 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:50:50,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:50:50,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:50:50,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:50:50,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:50:50,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:50:50,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:50:50,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:50:50,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:50:50,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:50:50,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:50:50,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:50:50,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:50:50,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:50:50,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:50:50,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:50:50,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:50:50,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:50:50,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:50:50,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:50:50,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:50:50,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:50:50,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:50:50,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:50:50,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:50:50,607 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:50:50,608 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-08-22 16:50:50,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fef58e4/750c2afb24f442de909c0665d302e1f5/FLAG674a538f9 [2020-08-22 16:50:51,268 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:50:51,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2020-08-22 16:50:51,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fef58e4/750c2afb24f442de909c0665d302e1f5/FLAG674a538f9 [2020-08-22 16:50:51,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fef58e4/750c2afb24f442de909c0665d302e1f5 [2020-08-22 16:50:51,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:50:51,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:50:51,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:51,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:50:51,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:50:51,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:51" (1/1) ... [2020-08-22 16:50:51,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543ec29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:51, skipping insertion in model container [2020-08-22 16:50:51,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:51" (1/1) ... [2020-08-22 16:50:51,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:50:51,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:50:52,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:52,192 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:50:52,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:52,314 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:50:52,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52 WrapperNode [2020-08-22 16:50:52,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:52,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:50:52,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:50:52,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:50:52,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (1/1) ... [2020-08-22 16:50:52,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:50:52,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:50:52,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:50:52,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:50:52,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (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 [2020-08-22 16:50:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:50:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:50:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:50:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:50:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:50:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:50:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:50:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:50:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:50:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:50:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:50:53,767 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:50:53,767 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:50:53,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:53 BoogieIcfgContainer [2020-08-22 16:50:53,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:50:53,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:50:53,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:50:53,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:50:53,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:50:51" (1/3) ... [2020-08-22 16:50:53,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd21594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:53, skipping insertion in model container [2020-08-22 16:50:53,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:52" (2/3) ... [2020-08-22 16:50:53,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd21594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:53, skipping insertion in model container [2020-08-22 16:50:53,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:53" (3/3) ... [2020-08-22 16:50:53,784 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2020-08-22 16:50:53,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:50:53,805 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:50:53,821 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:50:53,850 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:50:53,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:50:53,850 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:50:53,850 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:50:53,851 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:50:53,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:50:53,851 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:50:53,851 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:50:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 16:50:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 16:50:53,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:53,891 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] [2020-08-22 16:50:53,892 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:53,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:53,899 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2020-08-22 16:50:53,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:53,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569351984] [2020-08-22 16:50:53,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:54,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569351984] [2020-08-22 16:50:54,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:54,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:50:54,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509453681] [2020-08-22 16:50:54,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:50:54,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:54,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:50:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:50:54,566 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 16:50:56,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:56,254 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-08-22 16:50:56,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:50:56,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-08-22 16:50:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:56,292 INFO L225 Difference]: With dead ends: 627 [2020-08-22 16:50:56,292 INFO L226 Difference]: Without dead ends: 327 [2020-08-22 16:50:56,305 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 [2020-08-22 16:50:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-22 16:50:56,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-08-22 16:50:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-22 16:50:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-08-22 16:50:56,448 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 127 [2020-08-22 16:50:56,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:56,450 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-08-22 16:50:56,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:50:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-08-22 16:50:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 16:50:56,472 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:56,473 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:56,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:50:56,477 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:56,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1706292572, now seen corresponding path program 1 times [2020-08-22 16:50:56,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:56,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537045951] [2020-08-22 16:50:56,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:56,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537045951] [2020-08-22 16:50:56,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:56,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:50:56,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634102841] [2020-08-22 16:50:56,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:50:56,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:56,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:50:56,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:56,698 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-08-22 16:50:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:57,597 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-08-22 16:50:57,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:50:57,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-08-22 16:50:57,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:57,605 INFO L225 Difference]: With dead ends: 635 [2020-08-22 16:50:57,605 INFO L226 Difference]: Without dead ends: 322 [2020-08-22 16:50:57,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-08-22 16:50:57,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-08-22 16:50:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-08-22 16:50:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-08-22 16:50:57,655 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 142 [2020-08-22 16:50:57,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:57,656 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-08-22 16:50:57,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:50:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-08-22 16:50:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 16:50:57,661 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:57,661 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] [2020-08-22 16:50:57,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:50:57,662 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash -953465903, now seen corresponding path program 1 times [2020-08-22 16:50:57,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:57,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314086524] [2020-08-22 16:50:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:57,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:57,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314086524] [2020-08-22 16:50:57,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:57,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:50:57,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212576705] [2020-08-22 16:50:57,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:50:57,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:57,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:50:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:57,865 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-08-22 16:50:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:59,774 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-08-22 16:50:59,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:50:59,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-08-22 16:50:59,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:59,787 INFO L225 Difference]: With dead ends: 1090 [2020-08-22 16:50:59,788 INFO L226 Difference]: Without dead ends: 786 [2020-08-22 16:50:59,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:50:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-08-22 16:50:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 766. [2020-08-22 16:50:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2020-08-22 16:50:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 970 transitions. [2020-08-22 16:50:59,830 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 970 transitions. Word has length 149 [2020-08-22 16:50:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:59,830 INFO L479 AbstractCegarLoop]: Abstraction has 766 states and 970 transitions. [2020-08-22 16:50:59,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:50:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 970 transitions. [2020-08-22 16:50:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 16:50:59,835 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:59,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:59,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:50:59,836 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:59,837 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2020-08-22 16:50:59,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:59,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056225273] [2020-08-22 16:50:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:51:00,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056225273] [2020-08-22 16:51:00,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225397368] [2020-08-22 16:51:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:51:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 11 conjunts are in the unsatisfiable core [2020-08-22 16:51:00,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:51:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:51:00,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:51:00,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-08-22 16:51:00,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286938365] [2020-08-22 16:51:00,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:51:00,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:00,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:51:00,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:51:00,629 INFO L87 Difference]: Start difference. First operand 766 states and 970 transitions. Second operand 5 states. [2020-08-22 16:51:01,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:01,575 INFO L93 Difference]: Finished difference Result 2001 states and 2613 transitions. [2020-08-22 16:51:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:51:01,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-08-22 16:51:01,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:01,586 INFO L225 Difference]: With dead ends: 2001 [2020-08-22 16:51:01,586 INFO L226 Difference]: Without dead ends: 1241 [2020-08-22 16:51:01,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:51:01,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-08-22 16:51:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1073. [2020-08-22 16:51:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2020-08-22 16:51:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1316 transitions. [2020-08-22 16:51:01,659 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1316 transitions. Word has length 153 [2020-08-22 16:51:01,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:01,659 INFO L479 AbstractCegarLoop]: Abstraction has 1073 states and 1316 transitions. [2020-08-22 16:51:01,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:51:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1316 transitions. [2020-08-22 16:51:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-08-22 16:51:01,664 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:01,665 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:51:01,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:51:01,881 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1445061624, now seen corresponding path program 1 times [2020-08-22 16:51:01,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:01,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105124822] [2020-08-22 16:51:01,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:51:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:51:02,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105124822] [2020-08-22 16:51:02,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908990829] [2020-08-22 16:51:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:51:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:02,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:51:02,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:51:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 16:51:02,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:51:02,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:51:02,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703633707] [2020-08-22 16:51:02,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:51:02,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:51:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:51:02,374 INFO L87 Difference]: Start difference. First operand 1073 states and 1316 transitions. Second operand 3 states. [2020-08-22 16:51:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:03,139 INFO L93 Difference]: Finished difference Result 2584 states and 3258 transitions. [2020-08-22 16:51:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:51:03,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-08-22 16:51:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:03,160 INFO L225 Difference]: With dead ends: 2584 [2020-08-22 16:51:03,160 INFO L226 Difference]: Without dead ends: 1217 [2020-08-22 16:51:03,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:51:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2020-08-22 16:51:03,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1073. [2020-08-22 16:51:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2020-08-22 16:51:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1223 transitions. [2020-08-22 16:51:03,228 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1223 transitions. Word has length 162 [2020-08-22 16:51:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:03,231 INFO L479 AbstractCegarLoop]: Abstraction has 1073 states and 1223 transitions. [2020-08-22 16:51:03,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:51:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1223 transitions. [2020-08-22 16:51:03,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-08-22 16:51:03,242 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:03,243 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 16:51:03,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:51:03,458 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:03,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:03,461 INFO L82 PathProgramCache]: Analyzing trace with hash 118404891, now seen corresponding path program 1 times [2020-08-22 16:51:03,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:03,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397479637] [2020-08-22 16:51:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:51:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 16:51:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-22 16:51:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-08-22 16:51:03,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397479637] [2020-08-22 16:51:03,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220932114] [2020-08-22 16:51:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:51:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:04,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:51:04,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:51:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-08-22 16:51:04,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:51:04,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:51:04,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691624387] [2020-08-22 16:51:04,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:51:04,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:04,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:51:04,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:51:04,150 INFO L87 Difference]: Start difference. First operand 1073 states and 1223 transitions. Second operand 10 states. [2020-08-22 16:51:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:07,991 INFO L93 Difference]: Finished difference Result 3343 states and 3844 transitions. [2020-08-22 16:51:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 16:51:07,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-08-22 16:51:07,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:08,003 INFO L225 Difference]: With dead ends: 3343 [2020-08-22 16:51:08,003 INFO L226 Difference]: Without dead ends: 2118 [2020-08-22 16:51:08,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=200, Invalid=792, Unknown=0, NotChecked=0, Total=992 [2020-08-22 16:51:08,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2020-08-22 16:51:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2109. [2020-08-22 16:51:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2020-08-22 16:51:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2321 transitions. [2020-08-22 16:51:08,067 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2321 transitions. Word has length 219 [2020-08-22 16:51:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:08,068 INFO L479 AbstractCegarLoop]: Abstraction has 2109 states and 2321 transitions. [2020-08-22 16:51:08,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:51:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2321 transitions. [2020-08-22 16:51:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-08-22 16:51:08,076 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:08,076 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:51:08,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:51:08,291 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:08,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2116233775, now seen corresponding path program 1 times [2020-08-22 16:51:08,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:08,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560628800] [2020-08-22 16:51:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:51:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-22 16:51:08,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560628800] [2020-08-22 16:51:08,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060602074] [2020-08-22 16:51:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:51:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:08,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:51:08,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:51:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-08-22 16:51:08,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:51:08,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-08-22 16:51:08,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066286582] [2020-08-22 16:51:08,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:51:08,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:08,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:51:08,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:51:08,806 INFO L87 Difference]: Start difference. First operand 2109 states and 2321 transitions. Second operand 3 states. [2020-08-22 16:51:09,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:09,303 INFO L93 Difference]: Finished difference Result 4067 states and 4488 transitions. [2020-08-22 16:51:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:51:09,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-08-22 16:51:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:09,304 INFO L225 Difference]: With dead ends: 4067 [2020-08-22 16:51:09,304 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:51:09,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:51:09,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:51:09,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:51:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:51:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:51:09,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2020-08-22 16:51:09,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:09,314 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:51:09,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:51:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:51:09,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:51:09,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:51:09,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:51:10,430 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2020-08-22 16:51:10,723 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-08-22 16:51:10,952 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-08-22 16:51:10,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:51:10,958 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 16:51:10,958 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:51:10,958 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,958 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 16:51:10,959 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 16:51:10,960 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 16:51:10,960 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 16:51:10,960 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 16:51:10,960 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 16:51:10,960 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 16:51:10,961 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 16:51:10,961 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:51:10,961 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:51:10,961 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 16:51:10,961 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 16:51:10,962 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:51:10,963 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,964 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:51:10,965 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 16:51:10,966 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,967 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 16:51:10,968 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,969 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 16:51:10,970 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 16:51:10,971 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,972 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,973 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 16:51:10,974 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,975 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 16:51:10,976 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,977 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 16:51:10,978 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 16:51:10,979 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 16:51:10,980 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 16:51:10,980 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,980 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,980 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,981 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse5 (= ~a25~0 1)) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse10 (<= 8 ~a17~0)) (.cse11 (<= ~a17~0 8)) (.cse7 (= 11 |old(~a28~0)|)) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse8 (not (= |old(~a19~0)| 1))) (.cse13 (and .cse2 .cse3 .cse4 .cse12 .cse6))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 (not (<= 9 |old(~a28~0)|))) (or .cse0 .cse1 .cse8 .cse9 (and .cse2 .cse4 .cse10 .cse5 .cse11 .cse6)) (or .cse1 .cse9 .cse7 (and .cse2 .cse4 .cse12 .cse10 .cse11 .cse6)) (or .cse1 .cse13 .cse7 (not (<= 10 |old(~a28~0)|))) (or (not (<= |old(~a28~0)| 7)) .cse1 .cse8 .cse13)))) [2020-08-22 16:51:10,981 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,981 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,981 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,981 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 16:51:10,981 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 16:51:10,982 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,983 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 16:51:10,984 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:51:10,985 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,986 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:51:10,987 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:51:10,988 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 16:51:10,989 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 16:51:10,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:51:10,989 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-08-22 16:51:10,989 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:51:10,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:51:10,990 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-22 16:51:10,990 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse4 (<= 8 ~a17~0)) (.cse2 (= ~a25~0 1)) (.cse1 (= ~a19~0 1)) (.cse6 (<= 10 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse5 (not (= ~a28~0 11)))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7) .cse3) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse3 .cse5) (and .cse0 (<= 9 ~a28~0) .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse6 .cse3 .cse5))) [2020-08-22 16:51:10,990 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:51:10,990 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:51:10,990 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse4 (<= 8 ~a17~0)) (.cse2 (= ~a25~0 1)) (.cse1 (= ~a19~0 1)) (.cse6 (<= 10 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse5 (not (= ~a28~0 11)))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7) .cse3) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse3 .cse5) (and .cse0 (<= 9 ~a28~0) .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse6 .cse3 .cse5))) [2020-08-22 16:51:10,991 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 16:51:10,991 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 16:51:11,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:51:11 BoogieIcfgContainer [2020-08-22 16:51:11,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:51:11,015 INFO L168 Benchmark]: Toolchain (without parser) took 19509.52 ms. Allocated memory was 138.4 MB in the beginning and 503.8 MB in the end (delta: 365.4 MB). Free memory was 99.8 MB in the beginning and 385.9 MB in the end (delta: -286.1 MB). Peak memory consumption was 383.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,016 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.92 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 169.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,018 INFO L168 Benchmark]: Boogie Preprocessor took 116.69 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,018 INFO L168 Benchmark]: RCFGBuilder took 1342.16 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 180.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,019 INFO L168 Benchmark]: TraceAbstraction took 17236.72 ms. Allocated memory was 234.4 MB in the beginning and 503.8 MB in the end (delta: 269.5 MB). Free memory was 180.2 MB in the beginning and 385.9 MB in the end (delta: -205.7 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:11,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.92 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 169.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.69 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1342.16 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 180.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17236.72 ms. Allocated memory was 234.4 MB in the beginning and 503.8 MB in the end (delta: 269.5 MB). Free memory was 180.2 MB in the beginning and 385.9 MB in the end (delta: -205.7 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: (((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || ((((!(\old(a25) == 1) && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || (((!(\old(a25) == 1) && 8 <= a17) && a17 <= 8) && !(a28 == 11))) || (((!(\old(a25) == 1) && 10 <= a28) && a17 <= 8) && !(a28 == 11))) || ((((!(\old(a25) == 1) && 9 <= a28) && a25 == 1) && a17 <= 8) && !(a28 == 11))) || ((((!(\old(a25) == 1) && a19 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a17 <= 8) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 587 SDtfs, 3875 SDslu, 338 SDs, 0 SdLazy, 6422 SolverSat, 1161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 888 GetRequests, 811 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 361 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 94 NumberOfFragments, 517 HoareAnnotationTreeSize, 60 FomulaSimplifications, 19778 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1918 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1952 NumberOfCodeBlocks, 1952 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1941 ConstructedInterpolants, 0 QuantifiedInterpolants, 1033260 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1830 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 733/795 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...