/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:36:47,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:36:47,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:36:47,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:36:47,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:36:47,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:36:47,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:36:47,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:36:47,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:36:47,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:36:47,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:36:47,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:36:47,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:36:47,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:36:47,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:36:47,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:36:47,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:36:47,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:36:47,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:36:47,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:36:47,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:36:47,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:36:47,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:36:47,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:36:47,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:36:47,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:36:47,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:36:47,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:36:47,706 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 13:36:47,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:36:47,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:36:47,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:36:47,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:36:47,760 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:36:47,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:36:47,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:36:47,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:36:47,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:36:47,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:36:47,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:36:47,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:36:47,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:36:47,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:36:47,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:36:47,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:36:47,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:36:47,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:36:47,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:36:47,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:36:47,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:36:47,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:36:47,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:36:47,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:36:47,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:36:47,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:36:47,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:36:47,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:36:47,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:36:47,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:36:48,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:36:48,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:36:48,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:36:48,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:36:48,272 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:36:48,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-09-04 13:36:48,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54c0d62d6/7d3290718a324042949232e0ac386a04/FLAGd203f7324 [2020-09-04 13:36:49,066 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:36:49,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-09-04 13:36:49,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54c0d62d6/7d3290718a324042949232e0ac386a04/FLAGd203f7324 [2020-09-04 13:36:49,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54c0d62d6/7d3290718a324042949232e0ac386a04 [2020-09-04 13:36:49,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:36:49,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:36:49,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:36:49,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:36:49,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:36:49,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:36:49" (1/1) ... [2020-09-04 13:36:49,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdd0a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:49, skipping insertion in model container [2020-09-04 13:36:49,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:36:49" (1/1) ... [2020-09-04 13:36:49,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:36:49,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:36:49,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:36:49,926 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:36:50,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:36:50,075 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:36:50,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50 WrapperNode [2020-09-04 13:36:50,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:36:50,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:36:50,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:36:50,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:36:50,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (1/1) ... [2020-09-04 13:36:50,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:36:50,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:36:50,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:36:50,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:36:50,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (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 13:36:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:36:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:36:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:36:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:36:51,542 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:36:51,542 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:36:51,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:36:51 BoogieIcfgContainer [2020-09-04 13:36:51,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:36:51,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:36:51,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:36:51,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:36:51,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:36:49" (1/3) ... [2020-09-04 13:36:51,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af1a5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:36:51, skipping insertion in model container [2020-09-04 13:36:51,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:36:50" (2/3) ... [2020-09-04 13:36:51,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af1a5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:36:51, skipping insertion in model container [2020-09-04 13:36:51,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:36:51" (3/3) ... [2020-09-04 13:36:51,568 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2020-09-04 13:36:51,581 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:36:51,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:36:51,620 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:36:51,661 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:36:51,661 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:36:51,661 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:36:51,661 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:36:51,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:36:51,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:36:51,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:36:51,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:36:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-04 13:36:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-04 13:36:51,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:36:51,703 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] [2020-09-04 13:36:51,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:36:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:36:51,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1304641474, now seen corresponding path program 1 times [2020-09-04 13:36:51,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:36:51,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325346397] [2020-09-04 13:36:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:36:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:36:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:52,346 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 13:36:52,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325346397] [2020-09-04 13:36:52,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:36:52,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:36:52,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845496426] [2020-09-04 13:36:52,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 13:36:52,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:36:52,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 13:36:52,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 13:36:52,386 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-04 13:36:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:36:54,228 INFO L93 Difference]: Finished difference Result 631 states and 1079 transitions. [2020-09-04 13:36:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:36:54,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-09-04 13:36:54,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:36:54,252 INFO L225 Difference]: With dead ends: 631 [2020-09-04 13:36:54,252 INFO L226 Difference]: Without dead ends: 331 [2020-09-04 13:36:54,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:36:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-04 13:36:54,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 323. [2020-09-04 13:36:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-09-04 13:36:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-09-04 13:36:54,351 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 106 [2020-09-04 13:36:54,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:36:54,352 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-09-04 13:36:54,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 13:36:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-09-04 13:36:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-04 13:36:54,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:36:54,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:36:54,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:36:54,362 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:36:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:36:54,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1597305603, now seen corresponding path program 1 times [2020-09-04 13:36:54,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:36:54,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040717342] [2020-09-04 13:36:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:36:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:36:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:36:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:36:54,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040717342] [2020-09-04 13:36:54,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:36:54,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:36:54,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150334177] [2020-09-04 13:36:54,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:36:54,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:36:54,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:36:54,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:36:54,635 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 8 states. [2020-09-04 13:36:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:36:57,051 INFO L93 Difference]: Finished difference Result 1276 states and 1952 transitions. [2020-09-04 13:36:57,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:36:57,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-09-04 13:36:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:36:57,060 INFO L225 Difference]: With dead ends: 1276 [2020-09-04 13:36:57,061 INFO L226 Difference]: Without dead ends: 959 [2020-09-04 13:36:57,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:36:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-09-04 13:36:57,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2020-09-04 13:36:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-09-04 13:36:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1338 transitions. [2020-09-04 13:36:57,161 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1338 transitions. Word has length 126 [2020-09-04 13:36:57,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:36:57,162 INFO L479 AbstractCegarLoop]: Abstraction has 925 states and 1338 transitions. [2020-09-04 13:36:57,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:36:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1338 transitions. [2020-09-04 13:36:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-04 13:36:57,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:36:57,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:36:57,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:36:57,179 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:36:57,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:36:57,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1903522921, now seen corresponding path program 1 times [2020-09-04 13:36:57,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:36:57,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800983186] [2020-09-04 13:36:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:36:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:36:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:36:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:36:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:36:57,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800983186] [2020-09-04 13:36:57,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:36:57,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:36:57,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737435205] [2020-09-04 13:36:57,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:36:57,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:36:57,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:36:57,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:36:57,438 INFO L87 Difference]: Start difference. First operand 925 states and 1338 transitions. Second operand 8 states. [2020-09-04 13:37:00,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:00,031 INFO L93 Difference]: Finished difference Result 2931 states and 4471 transitions. [2020-09-04 13:37:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:37:00,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-09-04 13:37:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:00,051 INFO L225 Difference]: With dead ends: 2931 [2020-09-04 13:37:00,051 INFO L226 Difference]: Without dead ends: 2012 [2020-09-04 13:37:00,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:37:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2020-09-04 13:37:00,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1835. [2020-09-04 13:37:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 13:37:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2547 transitions. [2020-09-04 13:37:00,177 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2547 transitions. Word has length 127 [2020-09-04 13:37:00,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:00,177 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2547 transitions. [2020-09-04 13:37:00,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:37:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2547 transitions. [2020-09-04 13:37:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-04 13:37:00,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:00,184 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:37:00,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:37:00,184 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:00,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:00,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1785081447, now seen corresponding path program 1 times [2020-09-04 13:37:00,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:00,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87034694] [2020-09-04 13:37:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:37:00,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87034694] [2020-09-04 13:37:00,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972716173] [2020-09-04 13:37:00,404 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 13:37:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:00,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-04 13:37:00,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 13:37:00,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:00,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-09-04 13:37:00,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214786495] [2020-09-04 13:37:00,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:37:00,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:00,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:37:00,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:37:00,645 INFO L87 Difference]: Start difference. First operand 1835 states and 2547 transitions. Second operand 7 states. [2020-09-04 13:37:03,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:03,159 INFO L93 Difference]: Finished difference Result 7154 states and 10834 transitions. [2020-09-04 13:37:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 13:37:03,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-04 13:37:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:03,201 INFO L225 Difference]: With dead ends: 7154 [2020-09-04 13:37:03,201 INFO L226 Difference]: Without dead ends: 5325 [2020-09-04 13:37:03,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:37:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5325 states. [2020-09-04 13:37:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5325 to 4679. [2020-09-04 13:37:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4679 states. [2020-09-04 13:37:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 6342 transitions. [2020-09-04 13:37:03,405 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 6342 transitions. Word has length 127 [2020-09-04 13:37:03,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:03,406 INFO L479 AbstractCegarLoop]: Abstraction has 4679 states and 6342 transitions. [2020-09-04 13:37:03,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:37:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 6342 transitions. [2020-09-04 13:37:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-04 13:37:03,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:03,421 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:03,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:03,636 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:03,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1308251263, now seen corresponding path program 1 times [2020-09-04 13:37:03,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:03,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004071669] [2020-09-04 13:37:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-04 13:37:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:37:03,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004071669] [2020-09-04 13:37:03,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111797981] [2020-09-04 13:37:03,866 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 13:37:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:04,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-04 13:37:04,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-04 13:37:04,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:37:04,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2020-09-04 13:37:04,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149874502] [2020-09-04 13:37:04,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:37:04,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:04,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:37:04,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:37:04,105 INFO L87 Difference]: Start difference. First operand 4679 states and 6342 transitions. Second operand 5 states. [2020-09-04 13:37:05,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:05,302 INFO L93 Difference]: Finished difference Result 9459 states and 13456 transitions. [2020-09-04 13:37:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:37:05,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-09-04 13:37:05,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:05,327 INFO L225 Difference]: With dead ends: 9459 [2020-09-04 13:37:05,328 INFO L226 Difference]: Without dead ends: 4786 [2020-09-04 13:37:05,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2020-09-04 13:37:05,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4272. [2020-09-04 13:37:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-09-04 13:37:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 5313 transitions. [2020-09-04 13:37:05,509 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 5313 transitions. Word has length 157 [2020-09-04 13:37:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:05,510 INFO L479 AbstractCegarLoop]: Abstraction has 4272 states and 5313 transitions. [2020-09-04 13:37:05,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:37:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 5313 transitions. [2020-09-04 13:37:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-04 13:37:05,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:05,523 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:05,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:05,736 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:05,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1245673268, now seen corresponding path program 1 times [2020-09-04 13:37:05,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:05,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170494597] [2020-09-04 13:37:05,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-04 13:37:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 13:37:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 13:37:05,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170494597] [2020-09-04 13:37:05,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414505845] [2020-09-04 13:37:05,986 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 13:37:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:06,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:37:06,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-04 13:37:06,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:37:06,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-09-04 13:37:06,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157199588] [2020-09-04 13:37:06,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:37:06,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:06,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:37:06,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:06,203 INFO L87 Difference]: Start difference. First operand 4272 states and 5313 transitions. Second operand 3 states. [2020-09-04 13:37:06,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:06,883 INFO L93 Difference]: Finished difference Result 9546 states and 12020 transitions. [2020-09-04 13:37:06,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:37:06,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-09-04 13:37:06,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:06,905 INFO L225 Difference]: With dead ends: 9546 [2020-09-04 13:37:06,906 INFO L226 Difference]: Without dead ends: 5280 [2020-09-04 13:37:06,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5280 states. [2020-09-04 13:37:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5280 to 5134. [2020-09-04 13:37:07,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5134 states. [2020-09-04 13:37:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 6152 transitions. [2020-09-04 13:37:07,061 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 6152 transitions. Word has length 169 [2020-09-04 13:37:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:07,062 INFO L479 AbstractCegarLoop]: Abstraction has 5134 states and 6152 transitions. [2020-09-04 13:37:07,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:37:07,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 6152 transitions. [2020-09-04 13:37:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-04 13:37:07,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:07,076 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:07,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:07,290 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:07,291 INFO L82 PathProgramCache]: Analyzing trace with hash -970420701, now seen corresponding path program 1 times [2020-09-04 13:37:07,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:07,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405514068] [2020-09-04 13:37:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-04 13:37:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 13:37:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 102 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 13:37:07,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405514068] [2020-09-04 13:37:07,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150528256] [2020-09-04 13:37:07,630 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 13:37:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:07,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:37:07,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-04 13:37:07,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:07,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-09-04 13:37:07,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15522398] [2020-09-04 13:37:07,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:37:07,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:07,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:37:07,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:07,833 INFO L87 Difference]: Start difference. First operand 5134 states and 6152 transitions. Second operand 10 states. [2020-09-04 13:37:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:09,523 INFO L93 Difference]: Finished difference Result 11005 states and 13233 transitions. [2020-09-04 13:37:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:37:09,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-04 13:37:09,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:09,547 INFO L225 Difference]: With dead ends: 11005 [2020-09-04 13:37:09,547 INFO L226 Difference]: Without dead ends: 5877 [2020-09-04 13:37:09,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:37:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2020-09-04 13:37:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 5579. [2020-09-04 13:37:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5579 states. [2020-09-04 13:37:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5579 states to 5579 states and 6475 transitions. [2020-09-04 13:37:09,698 INFO L78 Accepts]: Start accepts. Automaton has 5579 states and 6475 transitions. Word has length 207 [2020-09-04 13:37:09,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:09,698 INFO L479 AbstractCegarLoop]: Abstraction has 5579 states and 6475 transitions. [2020-09-04 13:37:09,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:37:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5579 states and 6475 transitions. [2020-09-04 13:37:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 13:37:09,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:09,713 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:09,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:09,927 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:09,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1438127461, now seen corresponding path program 1 times [2020-09-04 13:37:09,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:09,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801670545] [2020-09-04 13:37:09,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 13:37:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 13:37:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 110 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 13:37:10,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801670545] [2020-09-04 13:37:10,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209537431] [2020-09-04 13:37:10,174 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 13:37:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:37:10,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-04 13:37:10,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:10,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:37:10,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605695699] [2020-09-04 13:37:10,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:37:10,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:10,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:37:10,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:10,373 INFO L87 Difference]: Start difference. First operand 5579 states and 6475 transitions. Second operand 10 states. [2020-09-04 13:37:11,063 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-09-04 13:37:14,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:14,937 INFO L93 Difference]: Finished difference Result 11298 states and 13033 transitions. [2020-09-04 13:37:14,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 13:37:14,942 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-09-04 13:37:14,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:14,943 INFO L225 Difference]: With dead ends: 11298 [2020-09-04 13:37:14,943 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:37:14,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-09-04 13:37:14,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:37:14,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:37:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:37:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:37:14,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-09-04 13:37:14,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:14,965 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:37:14,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:37:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:37:14,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:37:15,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:15,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:37:17,333 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 130 [2020-09-04 13:37:17,772 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 130 [2020-09-04 13:37:19,749 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 181 DAG size of output: 69 [2020-09-04 13:37:20,741 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-09-04 13:37:21,700 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-09-04 13:37:21,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:37:21,706 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-04 13:37:21,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:37:21,706 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,706 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,706 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-04 13:37:21,707 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:37:21,708 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-04 13:37:21,709 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-04 13:37:21,710 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:37:21,711 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,712 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-04 13:37:21,713 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,714 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-04 13:37:21,715 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-04 13:37:21,716 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-04 13:37:21,717 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-04 13:37:21,718 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,719 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,720 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-04 13:37:21,721 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,722 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-04 13:37:21,723 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-04 13:37:21,724 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,725 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,726 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse0 (= |old(~a19~0)| 1)) (.cse21 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 1)) (.cse15 (= ~a19~0 |old(~a19~0)|))) (let ((.cse11 (<= 9 ~a28~0)) (.cse12 (not (= ~a28~0 10))) (.cse14 (<= ~a28~0 10)) (.cse7 (not (= |old(~a25~0)| 1))) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse17 (and .cse21 .cse9 .cse10 .cse13 .cse15)) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse8 (= 10 |old(~a28~0)|)) (.cse1 (not (<= |old(~a28~0)| 7))) (.cse18 (not .cse0)) (.cse3 (and .cse21 .cse9 .cse10 .cse20 .cse15)) (.cse5 (not (<= |old(~a25~0)| 0))) (.cse19 (not (<= |old(~a11~0)| 0))) (.cse16 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (<= |old(~a17~0)| 7)) .cse5 .cse6) (or .cse0 .cse7 .cse4 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse6) (or .cse7 .cse17 .cse18 .cse8 .cse19 .cse6) (or .cse7 .cse4 .cse17 .cse18 .cse2 .cse8) (or .cse0 .cse4 .cse2 .cse3 .cse8 .cse5) (or .cse4 (and .cse9 .cse10 .cse11 .cse12 .cse20 .cse14 .cse15) .cse8 .cse5 .cse6) (or .cse7 .cse17 .cse2 .cse18 .cse16) (or .cse7 .cse1 .cse17 .cse18) (or .cse4 .cse18 .cse3 .cse5 .cse16 .cse6) (or .cse7 .cse4 .cse17 .cse2 .cse16 .cse6) (or .cse0 .cse2 .cse3 .cse8 .cse5 .cse19) (or .cse1 .cse18 .cse3 .cse5 .cse19 .cse16)))) [2020-09-04 13:37:21,726 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,726 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,726 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,726 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-04 13:37:21,727 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,728 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-04 13:37:21,729 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,730 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-04 13:37:21,731 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-04 13:37:21,732 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-04 13:37:21,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:37:21,734 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-09-04 13:37:21,734 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:37:21,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:37:21,734 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-09-04 13:37:21,734 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse0 (<= ~a11~0 0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse2 (<= 8 ~a17~0)) (.cse9 (not .cse5)) (.cse11 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a28~0 7)) (.cse10 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (not (= ~a28~0 10))) (.cse4 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse2 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse2 .cse9 .cse3) (and .cse10 .cse1 .cse6 .cse9 .cse7 .cse11 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse10 .cse5 .cse1 .cse6 .cse7) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse6 .cse1 .cse2 .cse9 .cse4) (and .cse12 .cse10 .cse5 .cse1 .cse4 .cse8) (and .cse12 .cse10 .cse1 .cse2 .cse7 .cse8) (and .cse12 .cse5 .cse1 .cse2 .cse7) (and .cse1 .cse6 .cse2 .cse9 .cse4 .cse8) (and .cse10 .cse1 .cse4 .cse11 .cse8) (and .cse5 .cse1 .cse7 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse1 .cse6 .cse4 .cse8)))) [2020-09-04 13:37:21,735 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:37:21,735 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:37:21,735 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse0 (<= ~a11~0 0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse2 (<= 8 ~a17~0)) (.cse9 (not .cse5)) (.cse11 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a28~0 7)) (.cse10 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (not (= ~a28~0 10))) (.cse4 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse2 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse2 .cse9 .cse3) (and .cse10 .cse1 .cse6 .cse9 .cse7 .cse11 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse10 .cse5 .cse1 .cse6 .cse7) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse6 .cse1 .cse2 .cse9 .cse4) (and .cse12 .cse10 .cse5 .cse1 .cse4 .cse8) (and .cse12 .cse10 .cse1 .cse2 .cse7 .cse8) (and .cse12 .cse5 .cse1 .cse2 .cse7) (and .cse1 .cse6 .cse2 .cse9 .cse4 .cse8) (and .cse10 .cse1 .cse4 .cse11 .cse8) (and .cse5 .cse1 .cse7 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse1 .cse6 .cse4 .cse8)))) [2020-09-04 13:37:21,735 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-04 13:37:21,735 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-04 13:37:21,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:37:21 BoogieIcfgContainer [2020-09-04 13:37:21,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:37:21,768 INFO L168 Benchmark]: Toolchain (without parser) took 32477.41 ms. Allocated memory was 141.6 MB in the beginning and 625.0 MB in the end (delta: 483.4 MB). Free memory was 103.6 MB in the beginning and 510.1 MB in the end (delta: -406.5 MB). Peak memory consumption was 458.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:21,769 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:37:21,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.13 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.4 MB in the beginning and 173.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:21,771 INFO L168 Benchmark]: Boogie Preprocessor took 114.22 ms. Allocated memory is still 207.1 MB. Free memory was 173.8 MB in the beginning and 168.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:21,772 INFO L168 Benchmark]: RCFGBuilder took 1364.53 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 177.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:21,773 INFO L168 Benchmark]: TraceAbstraction took 30208.32 ms. Allocated memory was 237.0 MB in the beginning and 625.0 MB in the end (delta: 388.0 MB). Free memory was 177.3 MB in the beginning and 510.1 MB in the end (delta: -332.9 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:21,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 784.13 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.4 MB in the beginning and 173.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.22 ms. Allocated memory is still 207.1 MB. Free memory was 173.8 MB in the beginning and 168.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1364.53 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 177.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30208.32 ms. Allocated memory was 237.0 MB in the beginning and 625.0 MB in the end (delta: 388.0 MB). Free memory was 177.3 MB in the beginning and 510.1 MB in the end (delta: -332.9 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a11 <= 0 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 7) && a25 <= 0) || (((((a19 == 1 && a17 <= \old(a17)) && !(a28 == 10)) && 8 <= a17) && a25 == 1) && a28 <= 10)) || !(\old(a19) == 1)) || !(\old(a25) <= 0)) || (((a17 <= \old(a17) && 8 <= a17) && !(a19 == 1)) && a28 <= 7)) || ((((((9 <= a28 && a17 <= \old(a17)) && !(a28 == 10)) && !(a19 == 1)) && a25 == 1) && a17 <= 7) && a28 <= 10)) || !(\old(a28) <= 7)) || (((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && !(a28 == 10)) && a25 == 1)) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || (((((a11 <= 0 && !(a28 == 10)) && a17 <= \old(a17)) && 8 <= a17) && !(a19 == 1)) && a25 <= 0)) || (((((!(a28 == a17) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && a25 <= 0) && a28 <= 10)) || (((((!(a28 == a17) && 9 <= a28) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && a28 <= 10)) || ((((!(a28 == a17) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1)) || (((((a17 <= \old(a17) && !(a28 == 10)) && 8 <= a17) && !(a19 == 1)) && a25 <= 0) && a28 <= 10)) || ((((9 <= a28 && a17 <= \old(a17)) && a25 <= 0) && a17 <= 7) && a28 <= 10)) || (((a19 == 1 && a17 <= \old(a17)) && a25 == 1) && a28 <= 7)) || !(\old(a11) <= 0)) || \old(a17) == \old(a28)) || ((((9 <= a28 && a17 <= \old(a17)) && !(a28 == 10)) && a25 <= 0) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 526 SDtfs, 5145 SDslu, 582 SDs, 0 SdLazy, 9598 SolverSat, 1622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1018 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5579occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 1823 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 195 PreInvPairs, 271 NumberOfFragments, 1113 HoareAnnotationTreeSize, 195 FomulaSimplifications, 72001 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5493 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2101 NumberOfCodeBlocks, 2101 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2088 ConstructedInterpolants, 0 QuantifiedInterpolants, 705671 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 845/943 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...