/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/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:32:44,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:32:44,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:32:44,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:32:44,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:32:44,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:32:44,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:32:44,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:32:44,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:32:44,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:32:44,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:32:44,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:32:44,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:32:44,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:32:44,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:32:44,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:32:44,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:32:44,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:32:44,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:32:44,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:32:44,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:32:44,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:32:44,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:32:44,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:32:44,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:32:44,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:32:44,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:32:44,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:32:44,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:32:44,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:32:44,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:32:44,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:32:44,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:32:44,592 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:32:44,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:32:44,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:32:44,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:32:44,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:32:44,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:32:44,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:32:44,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:32:44,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:32:44,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:32:44,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:32:44,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:32:44,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:32:44,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:32:44,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:32:44,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:32:44,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:32:44,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:32:44,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:32:44,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:32:44,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:32:44,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:32:44,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:32:44,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:32:44,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:32:44,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:32:45,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:32:45,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:32:45,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:32:45,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:32:45,046 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:32:45,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-09-04 13:32:45,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192/FLAGaaee1e2d2 [2020-09-04 13:32:45,734 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:32:45,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-09-04 13:32:45,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192/FLAGaaee1e2d2 [2020-09-04 13:32:45,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192 [2020-09-04 13:32:45,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:32:45,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:32:45,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:32:45,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:32:46,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:32:46,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:45" (1/1) ... [2020-09-04 13:32:46,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d876c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46, skipping insertion in model container [2020-09-04 13:32:46,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:45" (1/1) ... [2020-09-04 13:32:46,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:32:46,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:32:46,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:46,526 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:32:46,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:46,801 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:32:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46 WrapperNode [2020-09-04 13:32:46,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:32:46,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:32:46,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:32:46,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:32:46,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... [2020-09-04 13:32:46,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:32:46,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:32:46,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:32:46,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:32:46,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:32:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:32:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:32:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:32:48,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:32:48,109 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:32:48,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:48 BoogieIcfgContainer [2020-09-04 13:32:48,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:32:48,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:32:48,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:32:48,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:32:48,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:32:45" (1/3) ... [2020-09-04 13:32:48,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:48, skipping insertion in model container [2020-09-04 13:32:48,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (2/3) ... [2020-09-04 13:32:48,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:48, skipping insertion in model container [2020-09-04 13:32:48,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:48" (3/3) ... [2020-09-04 13:32:48,132 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-09-04 13:32:48,143 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:32:48,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:32:48,179 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:32:48,209 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:32:48,210 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:32:48,210 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:32:48,210 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:32:48,210 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:32:48,210 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:32:48,210 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:32:48,210 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:32:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-04 13:32:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-04 13:32:48,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:48,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:48,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:48,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:48,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-09-04 13:32:48,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:48,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136038479] [2020-09-04 13:32:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:48,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:48,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136038479] [2020-09-04 13:32:48,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:48,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:32:48,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447539439] [2020-09-04 13:32:48,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:32:48,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:48,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:32:48,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:32:48,932 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-04 13:32:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:50,549 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-04 13:32:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:32:50,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-09-04 13:32:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:50,569 INFO L225 Difference]: With dead ends: 557 [2020-09-04 13:32:50,569 INFO L226 Difference]: Without dead ends: 286 [2020-09-04 13:32:50,579 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 [2020-09-04 13:32:50,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-04 13:32:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-04 13:32:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-04 13:32:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-09-04 13:32:50,663 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-09-04 13:32:50,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:50,664 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-09-04 13:32:50,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:32:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-09-04 13:32:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-09-04 13:32:50,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:50,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:50,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:32:50,670 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:50,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:50,671 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-09-04 13:32:50,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:50,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385905531] [2020-09-04 13:32:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:50,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:50,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:50,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385905531] [2020-09-04 13:32:50,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:50,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:32:50,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914492670] [2020-09-04 13:32:50,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:32:50,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:50,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:32:50,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:32:50,952 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-09-04 13:32:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:52,556 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-09-04 13:32:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 13:32:52,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-09-04 13:32:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:52,563 INFO L225 Difference]: With dead ends: 713 [2020-09-04 13:32:52,563 INFO L226 Difference]: Without dead ends: 439 [2020-09-04 13:32:52,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:32:52,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-09-04 13:32:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-09-04 13:32:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-09-04 13:32:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-09-04 13:32:52,607 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-09-04 13:32:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:52,607 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-09-04 13:32:52,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:32:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-09-04 13:32:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-04 13:32:52,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:52,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:52,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:32:52,612 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:52,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-09-04 13:32:52,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:52,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613315270] [2020-09-04 13:32:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:53,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613315270] [2020-09-04 13:32:53,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611817443] [2020-09-04 13:32:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:53,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:32:53,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:53,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:32:53,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-09-04 13:32:53,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860105655] [2020-09-04 13:32:53,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:32:53,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:32:53,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:53,272 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-09-04 13:32:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:53,920 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-09-04 13:32:53,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:32:53,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-09-04 13:32:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:53,927 INFO L225 Difference]: With dead ends: 1247 [2020-09-04 13:32:53,927 INFO L226 Difference]: Without dead ends: 832 [2020-09-04 13:32:53,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-09-04 13:32:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-09-04 13:32:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-09-04 13:32:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-09-04 13:32:53,987 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-09-04 13:32:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:53,988 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-09-04 13:32:53,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:32:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-09-04 13:32:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-04 13:32:53,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:53,994 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:54,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:32:54,210 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-09-04 13:32:54,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:54,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762963595] [2020-09-04 13:32:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:54,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762963595] [2020-09-04 13:32:54,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779419745] [2020-09-04 13:32:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:54,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:32:54,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:54,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:32:54,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-09-04 13:32:54,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373334079] [2020-09-04 13:32:54,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:32:54,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:54,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:32:54,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:54,644 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-09-04 13:32:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:55,216 INFO L93 Difference]: Finished difference Result 1930 states and 2618 transitions. [2020-09-04 13:32:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:32:55,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-09-04 13:32:55,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:55,223 INFO L225 Difference]: With dead ends: 1930 [2020-09-04 13:32:55,223 INFO L226 Difference]: Without dead ends: 1104 [2020-09-04 13:32:55,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-09-04 13:32:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 830. [2020-09-04 13:32:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-09-04 13:32:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1097 transitions. [2020-09-04 13:32:55,261 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1097 transitions. Word has length 126 [2020-09-04 13:32:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:55,262 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1097 transitions. [2020-09-04 13:32:55,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:32:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1097 transitions. [2020-09-04 13:32:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-04 13:32:55,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:55,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:55,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:32:55,473 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:55,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:55,474 INFO L82 PathProgramCache]: Analyzing trace with hash -813317238, now seen corresponding path program 1 times [2020-09-04 13:32:55,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:55,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687051661] [2020-09-04 13:32:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:55,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:55,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:55,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687051661] [2020-09-04 13:32:55,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:55,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:32:55,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053757231] [2020-09-04 13:32:55,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:32:55,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:55,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:32:55,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:32:55,672 INFO L87 Difference]: Start difference. First operand 830 states and 1097 transitions. Second operand 8 states. [2020-09-04 13:32:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:57,278 INFO L93 Difference]: Finished difference Result 1968 states and 2669 transitions. [2020-09-04 13:32:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 13:32:57,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-09-04 13:32:57,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:57,290 INFO L225 Difference]: With dead ends: 1968 [2020-09-04 13:32:57,290 INFO L226 Difference]: Without dead ends: 1144 [2020-09-04 13:32:57,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:32:57,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-09-04 13:32:57,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 850. [2020-09-04 13:32:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-09-04 13:32:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1044 transitions. [2020-09-04 13:32:57,360 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1044 transitions. Word has length 134 [2020-09-04 13:32:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:57,362 INFO L479 AbstractCegarLoop]: Abstraction has 850 states and 1044 transitions. [2020-09-04 13:32:57,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:32:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1044 transitions. [2020-09-04 13:32:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-04 13:32:57,365 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:57,365 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] [2020-09-04 13:32:57,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 13:32:57,366 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:57,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:57,371 INFO L82 PathProgramCache]: Analyzing trace with hash -601495216, now seen corresponding path program 1 times [2020-09-04 13:32:57,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:57,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971872951] [2020-09-04 13:32:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:57,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:57,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971872951] [2020-09-04 13:32:57,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031660429] [2020-09-04 13:32:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:57,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-04 13:32:57,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 13:32:57,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:32:57,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-09-04 13:32:57,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479112306] [2020-09-04 13:32:57,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:32:57,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:57,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:32:57,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:57,799 INFO L87 Difference]: Start difference. First operand 850 states and 1044 transitions. Second operand 7 states. [2020-09-04 13:33:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:00,132 INFO L93 Difference]: Finished difference Result 3813 states and 4959 transitions. [2020-09-04 13:33:00,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 13:33:00,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-09-04 13:33:00,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:00,148 INFO L225 Difference]: With dead ends: 3813 [2020-09-04 13:33:00,148 INFO L226 Difference]: Without dead ends: 2552 [2020-09-04 13:33:00,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:33:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2020-09-04 13:33:00,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2240. [2020-09-04 13:33:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-09-04 13:33:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2778 transitions. [2020-09-04 13:33:00,237 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2778 transitions. Word has length 135 [2020-09-04 13:33:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:00,237 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2778 transitions. [2020-09-04 13:33:00,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:33:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2778 transitions. [2020-09-04 13:33:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-04 13:33:00,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:00,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:00,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:00,458 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:00,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:00,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-09-04 13:33:00,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:00,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509238878] [2020-09-04 13:33:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:00,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:00,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:33:00,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509238878] [2020-09-04 13:33:00,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863955701] [2020-09-04 13:33:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:33:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:00,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:00,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-04 13:33:00,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:33:00,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:33:00,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848562809] [2020-09-04 13:33:00,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:33:00,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:00,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:33:00,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:00,912 INFO L87 Difference]: Start difference. First operand 2240 states and 2778 transitions. Second operand 3 states. [2020-09-04 13:33:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:01,580 INFO L93 Difference]: Finished difference Result 6257 states and 7907 transitions. [2020-09-04 13:33:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:33:01,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-09-04 13:33:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:01,605 INFO L225 Difference]: With dead ends: 6257 [2020-09-04 13:33:01,605 INFO L226 Difference]: Without dead ends: 4023 [2020-09-04 13:33:01,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2020-09-04 13:33:01,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3880. [2020-09-04 13:33:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3880 states. [2020-09-04 13:33:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 4791 transitions. [2020-09-04 13:33:01,729 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 4791 transitions. Word has length 145 [2020-09-04 13:33:01,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:01,730 INFO L479 AbstractCegarLoop]: Abstraction has 3880 states and 4791 transitions. [2020-09-04 13:33:01,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:33:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4791 transitions. [2020-09-04 13:33:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 13:33:01,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:01,743 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:01,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:01,956 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:01,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:01,957 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-09-04 13:33:01,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:01,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759595722] [2020-09-04 13:33:01,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-04 13:33:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 13:33:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-04 13:33:02,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759595722] [2020-09-04 13:33:02,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339929395] [2020-09-04 13:33:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:02,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:02,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-04 13:33:02,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:02,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:33:02,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054321152] [2020-09-04 13:33:02,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:33:02,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:02,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:33:02,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:33:02,436 INFO L87 Difference]: Start difference. First operand 3880 states and 4791 transitions. Second operand 10 states. [2020-09-04 13:33:03,600 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-09-04 13:33:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:05,769 INFO L93 Difference]: Finished difference Result 11121 states and 14273 transitions. [2020-09-04 13:33:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 13:33:05,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-09-04 13:33:05,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:05,827 INFO L225 Difference]: With dead ends: 11121 [2020-09-04 13:33:05,827 INFO L226 Difference]: Without dead ends: 7112 [2020-09-04 13:33:05,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-09-04 13:33:05,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2020-09-04 13:33:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 6772. [2020-09-04 13:33:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6772 states. [2020-09-04 13:33:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 8505 transitions. [2020-09-04 13:33:06,213 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 8505 transitions. Word has length 222 [2020-09-04 13:33:06,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:06,213 INFO L479 AbstractCegarLoop]: Abstraction has 6772 states and 8505 transitions. [2020-09-04 13:33:06,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:33:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 8505 transitions. [2020-09-04 13:33:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-04 13:33:06,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:06,253 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:06,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:06,466 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:06,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:06,467 INFO L82 PathProgramCache]: Analyzing trace with hash 879681691, now seen corresponding path program 1 times [2020-09-04 13:33:06,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:06,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295128733] [2020-09-04 13:33:06,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-04 13:33:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-04 13:33:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 122 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-04 13:33:06,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295128733] [2020-09-04 13:33:06,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239761737] [2020-09-04 13:33:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:06,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:06,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-04 13:33:06,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:06,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:33:06,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947251508] [2020-09-04 13:33:06,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:33:06,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:06,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:33:06,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:33:06,965 INFO L87 Difference]: Start difference. First operand 6772 states and 8505 transitions. Second operand 10 states. [2020-09-04 13:33:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:11,002 INFO L93 Difference]: Finished difference Result 14317 states and 18966 transitions. [2020-09-04 13:33:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 13:33:11,003 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2020-09-04 13:33:11,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:11,048 INFO L225 Difference]: With dead ends: 14317 [2020-09-04 13:33:11,048 INFO L226 Difference]: Without dead ends: 7555 [2020-09-04 13:33:11,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2020-09-04 13:33:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7555 states. [2020-09-04 13:33:11,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 6943. [2020-09-04 13:33:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6943 states. [2020-09-04 13:33:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 8406 transitions. [2020-09-04 13:33:11,325 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 8406 transitions. Word has length 227 [2020-09-04 13:33:11,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:11,326 INFO L479 AbstractCegarLoop]: Abstraction has 6943 states and 8406 transitions. [2020-09-04 13:33:11,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:33:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 8406 transitions. [2020-09-04 13:33:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-04 13:33:11,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:11,355 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:11,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:11,570 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:11,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash 512785201, now seen corresponding path program 1 times [2020-09-04 13:33:11,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:11,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818737028] [2020-09-04 13:33:11,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-04 13:33:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-04 13:33:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-04 13:33:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-04 13:33:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 169 proven. 50 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-09-04 13:33:11,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818737028] [2020-09-04 13:33:11,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225370244] [2020-09-04 13:33:11,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:12,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:12,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 256 proven. 2 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-09-04 13:33:12,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:12,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:33:12,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769203798] [2020-09-04 13:33:12,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:33:12,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:12,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:33:12,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:33:12,254 INFO L87 Difference]: Start difference. First operand 6943 states and 8406 transitions. Second operand 10 states. [2020-09-04 13:33:13,545 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-09-04 13:33:15,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:15,422 INFO L93 Difference]: Finished difference Result 12140 states and 14447 transitions. [2020-09-04 13:33:15,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 13:33:15,422 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 272 [2020-09-04 13:33:15,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:15,423 INFO L225 Difference]: With dead ends: 12140 [2020-09-04 13:33:15,423 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:33:15,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2020-09-04 13:33:15,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:33:15,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:33:15,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:33:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:33:15,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2020-09-04 13:33:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:15,449 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:33:15,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:33:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:33:15,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:33:15,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-09-04 13:33:15,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:33:16,145 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-09-04 13:33:16,362 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-09-04 13:33:17,869 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2020-09-04 13:33:18,121 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-09-04 13:33:18,414 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2020-09-04 13:33:18,707 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-09-04 13:33:18,912 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2020-09-04 13:33:19,881 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221 [2020-09-04 13:33:20,854 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221 [2020-09-04 13:33:20,973 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38 [2020-09-04 13:33:23,766 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 201 DAG size of output: 95 [2020-09-04 13:33:25,318 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 206 DAG size of output: 78 [2020-09-04 13:33:26,866 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 206 DAG size of output: 78 [2020-09-04 13:33:26,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:26,872 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-04 13:33:26,872 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:26,872 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-04 13:33:26,873 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-04 13:33:26,873 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,873 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,873 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-04 13:33:26,874 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,875 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-04 13:33:26,876 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-04 13:33:26,877 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,878 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-04 13:33:26,879 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-04 13:33:26,880 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-04 13:33:26,881 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,882 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-04 13:33:26,883 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,884 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-04 13:33:26,885 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-04 13:33:26,886 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,887 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-04 13:33:26,888 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-04 13:33:26,889 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-04 13:33:26,890 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-04 13:33:26,891 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= ~a17~0 1)) (.cse1 (not (<= |old(~a7~0)| 0))) (.cse8 (not (<= |old(~a16~0)| 5))) (.cse24 (not (<= |old(~a8~0)| 14))) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a21~0 1)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse20 (= ~a8~0 |old(~a8~0)|)) (.cse21 (= ~a16~0 4))) (let ((.cse0 (and .cse17 .cse23 .cse26 .cse19 .cse20 .cse21)) (.cse14 (and (let ((.cse27 (<= ~a8~0 14)) (.cse28 (<= ~a16~0 5))) (or (and .cse17 .cse23 .cse19 .cse27 .cse18 .cse28 (<= ~a7~0 0) .cse20) (and .cse23 .cse17 .cse27 .cse18 .cse19 .cse28 (not (= ~a8~0 13)) .cse20))) .cse25)) (.cse13 (and (or (= |old(~a8~0)| 13) .cse8 .cse24) (or .cse1 .cse8 .cse24))) (.cse2 (not (= |old(~a20~0)| 1))) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (not (= |old(~a17~0)| 1))) (.cse15 (and .cse17 .cse18 .cse19 .cse25 .cse20 .cse22)) (.cse7 (not (<= 5 |old(~a16~0)|))) (.cse11 (not (<= 15 |old(~a8~0)|))) (.cse9 (and .cse17 .cse23 .cse26 .cse19 .cse25 .cse20)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse16 (not (<= |old(~a8~0)| 13))) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse12 (not (<= 6 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9 .cse10) (or .cse6 .cse1 .cse11 .cse12 .cse9 .cse4 .cse10) (or .cse3 .cse13 .cse14 .cse4) (or .cse7 .cse11 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse3 .cse4 .cse10 .cse5) (or .cse14 .cse13 (not (= 5 |old(~a16~0)|))) (or .cse6 .cse7 .cse1 .cse8 .cse2 .cse9 .cse4) (or .cse15 .cse6 .cse1 .cse16) (or .cse6 (and .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) .cse4 .cse5) (or (and .cse23 .cse17 .cse18 .cse19 .cse20 .cse21) .cse8 .cse24 .cse3 .cse5) (or .cse6 .cse15 .cse8 .cse24) (or .cse1 .cse11 .cse3 .cse12 .cse9 .cse4 .cse10) (or .cse7 .cse8 .cse11 .cse3 .cse9 .cse4 .cse10) (or .cse16 (and .cse23 .cse17 .cse18 .cse19 .cse25 .cse20) .cse3 .cse12)))) [2020-09-04 13:33:26,891 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-04 13:33:26,891 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,891 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,891 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-04 13:33:26,892 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-04 13:33:26,893 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,894 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-04 13:33:26,895 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-04 13:33:26,896 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,897 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-04 13:33:26,898 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-04 13:33:26,899 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-04 13:33:26,900 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-04 13:33:26,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:26,900 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (<= ~a7~0 0) (= ~a20~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-09-04 13:33:26,900 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:33:26,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:26,900 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-09-04 13:33:26,901 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:26,901 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12)))) [2020-09-04 13:33:26,901 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-04 13:33:26,901 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-04 13:33:26,902 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12)))) [2020-09-04 13:33:26,902 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:26,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:33:26 BoogieIcfgContainer [2020-09-04 13:33:26,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:33:26,933 INFO L168 Benchmark]: Toolchain (without parser) took 40940.20 ms. Allocated memory was 147.8 MB in the beginning and 754.5 MB in the end (delta: 606.6 MB). Free memory was 102.3 MB in the beginning and 101.9 MB in the end (delta: 342.6 kB). Peak memory consumption was 609.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:26,933 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:33:26,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.36 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.1 MB in the beginning and 173.2 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:26,935 INFO L168 Benchmark]: Boogie Preprocessor took 105.80 ms. Allocated memory is still 207.1 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:26,936 INFO L168 Benchmark]: RCFGBuilder took 1212.89 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 179.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:26,937 INFO L168 Benchmark]: TraceAbstraction took 38807.07 ms. Allocated memory was 238.6 MB in the beginning and 754.5 MB in the end (delta: 515.9 MB). Free memory was 179.1 MB in the beginning and 101.9 MB in the end (delta: 77.2 MB). Peak memory consumption was 595.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:26,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.36 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.1 MB in the beginning and 173.2 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.80 ms. Allocated memory is still 207.1 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.89 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 179.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38807.07 ms. Allocated memory was 238.6 MB in the beginning and 754.5 MB in the end (delta: 515.9 MB). Free memory was 179.1 MB in the beginning and 101.9 MB in the end (delta: 77.2 MB). Peak memory consumption was 595.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((a21 == 1 && a16 <= 5) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0) || !(5 <= \old(a16))) || ((a8 <= 14 && a16 <= 5) && a17 == 1)) || ((((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) && 15 <= a8)) || ((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a16 == \old(a16))) || !(\old(a7) <= 0)) || ((a8 <= 14 && a17 <= 0) && a16 == 4)) || (((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a21 == 1) && a17 <= 0)) || !(\old(a20) == 1)) || ((((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4)) || !(\old(a21) == 1)) || (((((a21 == 1 && a17 <= 0) && a7 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || !(\old(a17) == 1)) || (((((a21 == 1 && a7 <= 0) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0)) || ((6 <= a16 && a17 <= 0) && a8 <= 13)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || (((a21 == 1 && a17 <= 0) && a16 == 4) && a20 <= 0)) || ((a21 == 1 && a16 == 4) && a17 == 1)) || (((((a21 == 1 && a16 <= 5) && a17 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || (((((((a7 == \old(a7) && a21 == \old(a21)) && a20 == \old(a20)) && a16 <= 5) && a8 == \old(a8)) && 5 <= a16) && 15 <= a8) && a17 == 1)) || ((a7 <= 0 && a17 == 1) && a8 <= 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.4s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908 SDtfs, 5204 SDslu, 574 SDs, 0 SdLazy, 10851 SolverSat, 1856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1462 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6943occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1999 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 268 PreInvPairs, 358 NumberOfFragments, 1364 HoareAnnotationTreeSize, 268 FomulaSimplifications, 480900 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25339 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2856 NumberOfCodeBlocks, 2856 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2839 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294091 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3518 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 1617/1773 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...