/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:24:49,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:24:49,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:24:49,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:24:49,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:24:49,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:24:49,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:24:49,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:24:49,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:24:49,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:24:49,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:24:49,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:24:49,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:24:49,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:24:49,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:24:49,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:24:49,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:24:49,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:24:49,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:24:49,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:24:49,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:24:49,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:24:49,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:24:49,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:24:49,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:24:49,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:24:49,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:24:49,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:24:49,358 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 [2020-09-21 10:24:49,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:24:49,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:24:49,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:24:49,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:24:49,405 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:24:49,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:24:49,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:24:49,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:24:49,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:24:49,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:24:49,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:24:49,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:24:49,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:24:49,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:24:49,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:24:49,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:24:49,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:24:49,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:24:49,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:24:49,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:24:49,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:24:49,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:24:49,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:24:49,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:24:49,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:24:49,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:24:49,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:24:49,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:24:49,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:24:49,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-21 10:24:49,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:24:49,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:24:49,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:24:49,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:24:49,949 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:24:49,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-09-21 10:24:50,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4696211f/af58d36c72514c2387341cfa7f3feec2/FLAGb4e0e902b [2020-09-21 10:24:50,675 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:24:50,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-09-21 10:24:50,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4696211f/af58d36c72514c2387341cfa7f3feec2/FLAGb4e0e902b [2020-09-21 10:24:50,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4696211f/af58d36c72514c2387341cfa7f3feec2 [2020-09-21 10:24:50,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:24:50,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:24:50,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:24:50,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:24:50,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:24:50,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:24:50" (1/1) ... [2020-09-21 10:24:50,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180772d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:50, skipping insertion in model container [2020-09-21 10:24:50,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:24:50" (1/1) ... [2020-09-21 10:24:50,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:24:51,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:24:51,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:24:51,600 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:24:51,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:24:51,791 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:24:51,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51 WrapperNode [2020-09-21 10:24:51,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:24:51,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:24:51,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:24:51,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:24:51,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (1/1) ... [2020-09-21 10:24:51,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:24:51,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:24:51,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:24:51,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:24:51,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (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 [2020-09-21 10:24:52,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:24:52,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:24:52,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 10:24:52,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:24:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 10:24:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:24:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:24:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 10:24:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:24:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:24:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:24:53,426 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:24:53,426 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 10:24:53,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:24:53 BoogieIcfgContainer [2020-09-21 10:24:53,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:24:53,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:24:53,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:24:53,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:24:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:24:50" (1/3) ... [2020-09-21 10:24:53,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e305f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:24:53, skipping insertion in model container [2020-09-21 10:24:53,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:24:51" (2/3) ... [2020-09-21 10:24:53,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e305f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:24:53, skipping insertion in model container [2020-09-21 10:24:53,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:24:53" (3/3) ... [2020-09-21 10:24:53,450 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-09-21 10:24:53,462 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:24:53,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:24:53,496 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:24:53,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:24:53,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:24:53,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:24:53,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:24:53,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:24:53,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:24:53,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:24:53,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:24:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 10:24:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-21 10:24:53,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:24:53,587 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] [2020-09-21 10:24:53,587 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:24:53,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:24:53,595 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-09-21 10:24:53,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:24:53,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079871953] [2020-09-21 10:24:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:24:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:24:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:24:54,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079871953] [2020-09-21 10:24:54,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:24:54,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:24:54,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875626957] [2020-09-21 10:24:54,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:24:54,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:24:54,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:24:54,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:24:54,070 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-21 10:24:56,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:24:56,472 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-21 10:24:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:24:56,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-09-21 10:24:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:24:56,499 INFO L225 Difference]: With dead ends: 730 [2020-09-21 10:24:56,499 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 10:24:56,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:24:56,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 10:24:56,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-21 10:24:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-21 10:24:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-21 10:24:56,617 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 34 [2020-09-21 10:24:56,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:24:56,618 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-21 10:24:56,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:24:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-21 10:24:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-21 10:24:56,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:24:56,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 10:24:56,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:24:56,626 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:24:56,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:24:56,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1040118654, now seen corresponding path program 1 times [2020-09-21 10:24:56,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:24:56,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606353594] [2020-09-21 10:24:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:24:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:24:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:24:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:24:57,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606353594] [2020-09-21 10:24:57,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:24:57,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:24:57,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579927706] [2020-09-21 10:24:57,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:24:57,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:24:57,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:24:57,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:24:57,089 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-09-21 10:24:59,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:24:59,459 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-09-21 10:24:59,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 10:24:59,460 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-09-21 10:24:59,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:24:59,469 INFO L225 Difference]: With dead ends: 1490 [2020-09-21 10:24:59,470 INFO L226 Difference]: Without dead ends: 1055 [2020-09-21 10:24:59,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 10:24:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-09-21 10:24:59,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-09-21 10:24:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-21 10:24:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-09-21 10:24:59,533 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 116 [2020-09-21 10:24:59,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:24:59,534 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-09-21 10:24:59,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:24:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-09-21 10:24:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 10:24:59,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:24:59,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:24:59,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:24:59,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:24:59,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:24:59,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1418096050, now seen corresponding path program 1 times [2020-09-21 10:24:59,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:24:59,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974664481] [2020-09-21 10:24:59,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:24:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:59,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:24:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:59,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:24:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:24:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:24:59,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974664481] [2020-09-21 10:24:59,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:24:59,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:24:59,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262525804] [2020-09-21 10:24:59,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:24:59,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:24:59,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:24:59,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:24:59,935 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-09-21 10:25:01,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:01,608 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-09-21 10:25:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:25:01,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-09-21 10:25:01,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:01,626 INFO L225 Difference]: With dead ends: 1822 [2020-09-21 10:25:01,626 INFO L226 Difference]: Without dead ends: 1083 [2020-09-21 10:25:01,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 10:25:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-21 10:25:01,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-09-21 10:25:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-09-21 10:25:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-09-21 10:25:01,700 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 156 [2020-09-21 10:25:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:01,701 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-09-21 10:25:01,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:25:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-09-21 10:25:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-21 10:25:01,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:01,720 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:01,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:25:01,720 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:01,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:01,721 INFO L82 PathProgramCache]: Analyzing trace with hash 776423077, now seen corresponding path program 1 times [2020-09-21 10:25:01,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:01,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329842594] [2020-09-21 10:25:01,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:01,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 10:25:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:25:02,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329842594] [2020-09-21 10:25:02,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:02,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:25:02,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874296775] [2020-09-21 10:25:02,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:25:02,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:02,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:25:02,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:25:02,132 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-09-21 10:25:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:03,772 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-09-21 10:25:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 10:25:03,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-09-21 10:25:03,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:03,782 INFO L225 Difference]: With dead ends: 2563 [2020-09-21 10:25:03,782 INFO L226 Difference]: Without dead ends: 1514 [2020-09-21 10:25:03,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:25:03,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-09-21 10:25:03,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-09-21 10:25:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-09-21 10:25:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-09-21 10:25:03,829 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 202 [2020-09-21 10:25:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:03,830 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-09-21 10:25:03,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:25:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-09-21 10:25:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-21 10:25:03,835 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:03,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:03,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:25:03,835 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:03,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1499058288, now seen corresponding path program 1 times [2020-09-21 10:25:03,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:03,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808556810] [2020-09-21 10:25:03,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 10:25:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 10:25:04,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808556810] [2020-09-21 10:25:04,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:04,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:25:04,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418892153] [2020-09-21 10:25:04,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:25:04,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:04,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:25:04,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:25:04,196 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-09-21 10:25:05,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:05,832 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-09-21 10:25:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:25:05,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-21 10:25:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:05,845 INFO L225 Difference]: With dead ends: 2587 [2020-09-21 10:25:05,845 INFO L226 Difference]: Without dead ends: 1387 [2020-09-21 10:25:05,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:25:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-09-21 10:25:05,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-09-21 10:25:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-09-21 10:25:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-09-21 10:25:05,909 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 203 [2020-09-21 10:25:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:05,910 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-09-21 10:25:05,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:25:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-09-21 10:25:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-21 10:25:05,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:05,917 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:05,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:25:05,918 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:05,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:05,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1638201038, now seen corresponding path program 1 times [2020-09-21 10:25:05,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:05,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703726797] [2020-09-21 10:25:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 10:25:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-21 10:25:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 10:25:06,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703726797] [2020-09-21 10:25:06,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:06,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 10:25:06,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288868714] [2020-09-21 10:25:06,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:25:06,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:06,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:25:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:25:06,612 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-09-21 10:25:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:10,450 INFO L93 Difference]: Finished difference Result 4332 states and 5677 transitions. [2020-09-21 10:25:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 10:25:10,450 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-09-21 10:25:10,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:10,471 INFO L225 Difference]: With dead ends: 4332 [2020-09-21 10:25:10,471 INFO L226 Difference]: Without dead ends: 3248 [2020-09-21 10:25:10,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-09-21 10:25:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2020-09-21 10:25:10,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2231. [2020-09-21 10:25:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-09-21 10:25:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-09-21 10:25:10,574 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 282 [2020-09-21 10:25:10,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:10,575 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-09-21 10:25:10,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:25:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-09-21 10:25:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-09-21 10:25:10,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:10,585 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:10,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:25:10,586 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:10,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:10,586 INFO L82 PathProgramCache]: Analyzing trace with hash 606694202, now seen corresponding path program 1 times [2020-09-21 10:25:10,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:10,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353980054] [2020-09-21 10:25:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:10,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:10,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:10,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 10:25:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-21 10:25:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 167 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 10:25:11,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353980054] [2020-09-21 10:25:11,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:11,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:25:11,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775412240] [2020-09-21 10:25:11,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:25:11,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:11,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:25:11,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:25:11,566 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-09-21 10:25:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:15,343 INFO L93 Difference]: Finished difference Result 4488 states and 5998 transitions. [2020-09-21 10:25:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 10:25:15,344 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 318 [2020-09-21 10:25:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:15,357 INFO L225 Difference]: With dead ends: 4488 [2020-09-21 10:25:15,357 INFO L226 Difference]: Without dead ends: 2406 [2020-09-21 10:25:15,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-09-21 10:25:15,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-09-21 10:25:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2235. [2020-09-21 10:25:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-09-21 10:25:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-09-21 10:25:15,433 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 318 [2020-09-21 10:25:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:15,433 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-09-21 10:25:15,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:25:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-09-21 10:25:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-09-21 10:25:15,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:15,443 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:15,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 10:25:15,444 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:15,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:15,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1438676915, now seen corresponding path program 1 times [2020-09-21 10:25:15,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:15,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355553913] [2020-09-21 10:25:15,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 10:25:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 10:25:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-21 10:25:16,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355553913] [2020-09-21 10:25:16,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:16,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:25:16,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214696872] [2020-09-21 10:25:16,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:25:16,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:16,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:25:16,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:25:16,017 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-09-21 10:25:17,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:17,893 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-09-21 10:25:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:25:17,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-09-21 10:25:17,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:17,909 INFO L225 Difference]: With dead ends: 5209 [2020-09-21 10:25:17,910 INFO L226 Difference]: Without dead ends: 3123 [2020-09-21 10:25:17,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:25:17,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-09-21 10:25:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-09-21 10:25:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-09-21 10:25:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-09-21 10:25:18,010 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 337 [2020-09-21 10:25:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:18,011 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-09-21 10:25:18,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:25:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-09-21 10:25:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-09-21 10:25:18,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:18,022 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:18,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 10:25:18,023 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:18,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:18,025 INFO L82 PathProgramCache]: Analyzing trace with hash 452449707, now seen corresponding path program 1 times [2020-09-21 10:25:18,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:18,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014392142] [2020-09-21 10:25:18,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:18,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-21 10:25:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-21 10:25:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 170 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 10:25:18,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014392142] [2020-09-21 10:25:18,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:18,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 10:25:18,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135228447] [2020-09-21 10:25:18,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:25:18,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:18,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:25:18,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:25:18,610 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-09-21 10:25:21,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:21,664 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-09-21 10:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 10:25:21,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-09-21 10:25:21,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:21,681 INFO L225 Difference]: With dead ends: 6369 [2020-09-21 10:25:21,682 INFO L226 Difference]: Without dead ends: 3556 [2020-09-21 10:25:21,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:25:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-09-21 10:25:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-09-21 10:25:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-09-21 10:25:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-09-21 10:25:21,774 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 341 [2020-09-21 10:25:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:21,775 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-09-21 10:25:21,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:25:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-09-21 10:25:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-09-21 10:25:21,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:25:21,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:25:21,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 10:25:21,787 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:25:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:25:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1521404487, now seen corresponding path program 1 times [2020-09-21 10:25:21,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:25:21,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599114745] [2020-09-21 10:25:21,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:25:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:25:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:25:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:22,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 10:25:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-21 10:25:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:25:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 10:25:22,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599114745] [2020-09-21 10:25:22,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:25:22,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:25:22,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401891870] [2020-09-21 10:25:22,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:25:22,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:25:22,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:25:22,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:25:22,292 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-09-21 10:25:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:25:28,481 INFO L93 Difference]: Finished difference Result 7253 states and 9195 transitions. [2020-09-21 10:25:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:25:28,481 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 343 [2020-09-21 10:25:28,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:25:28,483 INFO L225 Difference]: With dead ends: 7253 [2020-09-21 10:25:28,483 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:25:28,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-09-21 10:25:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:25:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:25:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:25:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:25:28,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-09-21 10:25:28,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:25:28,498 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:25:28,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:25:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:25:28,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:25:28,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 10:25:28,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:25:30,206 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-09-21 10:25:30,631 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-09-21 10:25:31,723 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-09-21 10:25:32,460 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-09-21 10:25:33,180 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-09-21 10:25:33,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:25:33,186 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 10:25:33,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:25:33,186 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 10:25:33,186 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,187 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 10:25:33,188 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 10:25:33,189 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 10:25:33,190 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 10:25:33,191 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 10:25:33,192 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 10:25:33,193 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 10:25:33,194 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 10:25:33,195 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,196 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 10:25:33,197 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,198 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 10:25:33,199 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 10:25:33,200 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,201 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 10:25:33,202 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,203 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 10:25:33,204 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 10:25:33,205 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 10:25:33,206 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-09-21 10:25:33,206 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 10:25:33,206 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 10:25:33,206 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 10:25:33,206 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 10:25:33,207 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 10:25:33,208 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,209 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 10:25:33,210 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,211 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 10:25:33,212 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 10:25:33,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:25:33,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-21 10:25:33,214 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:25:33,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:25:33,214 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-09-21 10:25:33,214 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 10:25:33,215 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-09-21 10:25:33,215 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 10:25:33,215 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 10:25:33,215 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-09-21 10:25:33,215 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 10:25:33,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:25:33 BoogieIcfgContainer [2020-09-21 10:25:33,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:25:33,248 INFO L168 Benchmark]: Toolchain (without parser) took 42288.72 ms. Allocated memory was 143.1 MB in the beginning and 584.1 MB in the end (delta: 440.9 MB). Free memory was 103.5 MB in the beginning and 510.5 MB in the end (delta: -407.0 MB). Peak memory consumption was 430.8 MB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,250 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.81 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,259 INFO L168 Benchmark]: Boogie Preprocessor took 140.13 ms. Allocated memory is still 207.6 MB. Free memory was 173.3 MB in the beginning and 168.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,260 INFO L168 Benchmark]: RCFGBuilder took 1503.49 ms. Allocated memory was 207.6 MB in the beginning and 234.4 MB in the end (delta: 26.7 MB). Free memory was 168.7 MB in the beginning and 171.9 MB in the end (delta: -3.2 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,263 INFO L168 Benchmark]: TraceAbstraction took 39805.96 ms. Allocated memory was 234.4 MB in the beginning and 584.1 MB in the end (delta: 349.7 MB). Free memory was 171.9 MB in the beginning and 510.5 MB in the end (delta: -338.6 MB). Peak memory consumption was 407.9 MB. Max. memory is 7.1 GB. [2020-09-21 10:25:33,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 828.81 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 173.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.13 ms. Allocated memory is still 207.6 MB. Free memory was 173.3 MB in the beginning and 168.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1503.49 ms. Allocated memory was 207.6 MB in the beginning and 234.4 MB in the end (delta: 26.7 MB). Free memory was 168.7 MB in the beginning and 171.9 MB in the end (delta: -3.2 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39805.96 ms. Allocated memory was 234.4 MB in the beginning and 584.1 MB in the end (delta: 349.7 MB). Free memory was 171.9 MB in the beginning and 510.5 MB in the end (delta: -338.6 MB). Peak memory consumption was 407.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 28.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321 SDtfs, 6801 SDslu, 489 SDs, 0 SdLazy, 14651 SolverSat, 2532 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2331 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 135 PreInvPairs, 195 NumberOfFragments, 384 HoareAnnotationTreeSize, 135 FomulaSimplifications, 45664 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14335 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1417/1972 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...