/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 true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:40:35,375 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-22 00:40:35,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:40:35,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:40:35,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:40:35,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:40:35,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:40:35,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:40:35,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:40:35,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:40:35,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:40:35,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:40:35,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:40:35,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:40:35,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 00:40:35,504 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 [2020-08-22 00:40:35,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:40:35,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:40:35,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:40:35,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:40:35,529 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:40:35,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:40:35,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:40:35,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:40:35,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:40:35,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:40:35,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:40:35,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:40:35,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:40:35,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:40:35,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:40:35,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:40:35,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:40:35,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:40:35,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:40:35,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:40:35,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:40:35,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:40:35,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:40:35,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:40:35,534 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 -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:40:35,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:40:35,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:40:35,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:40:35,881 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:40:35,882 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:40:35,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-08-22 00:40:35,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13560ec21/ed4e8cf056b2428e913e691cb0f33c3b/FLAG091211b93 [2020-08-22 00:40:36,488 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:40:36,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-08-22 00:40:36,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13560ec21/ed4e8cf056b2428e913e691cb0f33c3b/FLAG091211b93 [2020-08-22 00:40:36,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13560ec21/ed4e8cf056b2428e913e691cb0f33c3b [2020-08-22 00:40:36,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:40:36,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:40:36,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:40:36,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:40:36,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:40:36,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:40:36" (1/1) ... [2020-08-22 00:40:36,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56be3877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:36, skipping insertion in model container [2020-08-22 00:40:36,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:40:36" (1/1) ... [2020-08-22 00:40:36,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:40:36,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:40:37,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:40:37,235 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:40:37,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:40:37,461 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:40:37,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37 WrapperNode [2020-08-22 00:40:37,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:40:37,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:40:37,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:40:37,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:40:37,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (1/1) ... [2020-08-22 00:40:37,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:40:37,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:40:37,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:40:37,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:40:37,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (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 [2020-08-22 00:40:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:40:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:40:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 00:40:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:40:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:40:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:40:38,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:40:38,991 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 00:40:38,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:40:38 BoogieIcfgContainer [2020-08-22 00:40:39,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:40:39,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:40:39,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:40:39,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:40:39,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:40:36" (1/3) ... [2020-08-22 00:40:39,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26666126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:40:39, skipping insertion in model container [2020-08-22 00:40:39,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:40:37" (2/3) ... [2020-08-22 00:40:39,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26666126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:40:39, skipping insertion in model container [2020-08-22 00:40:39,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:40:38" (3/3) ... [2020-08-22 00:40:39,017 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2020-08-22 00:40:39,028 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:40:39,041 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:40:39,057 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:40:39,095 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:40:39,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:40:39,096 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:40:39,096 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:40:39,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:40:39,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:40:39,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:40:39,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:40:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 00:40:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 00:40:39,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:39,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:40:39,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:39,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:39,151 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2020-08-22 00:40:39,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:39,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635194243] [2020-08-22 00:40:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:40:39,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635194243] [2020-08-22 00:40:39,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:40:39,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 00:40:39,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45530897] [2020-08-22 00:40:39,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:40:39,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:39,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:40:39,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:40:39,673 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-22 00:40:41,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:41,814 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-22 00:40:41,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:40:41,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-08-22 00:40:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:41,857 INFO L225 Difference]: With dead ends: 730 [2020-08-22 00:40:41,857 INFO L226 Difference]: Without dead ends: 447 [2020-08-22 00:40:41,870 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 [2020-08-22 00:40:41,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-22 00:40:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-22 00:40:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 00:40:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-22 00:40:41,985 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 56 [2020-08-22 00:40:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:41,988 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-22 00:40:41,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:40:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-22 00:40:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 00:40:41,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:41,998 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, 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] [2020-08-22 00:40:42,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:40:42,001 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:42,003 INFO L82 PathProgramCache]: Analyzing trace with hash 652113497, now seen corresponding path program 1 times [2020-08-22 00:40:42,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:42,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371088890] [2020-08-22 00:40:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 00:40:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:40:42,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371088890] [2020-08-22 00:40:42,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:40:42,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:40:42,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091709207] [2020-08-22 00:40:42,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:40:42,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:42,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:40:42,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:40:42,289 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-22 00:40:43,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:43,945 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-22 00:40:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:40:43,946 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2020-08-22 00:40:43,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:43,952 INFO L225 Difference]: With dead ends: 1041 [2020-08-22 00:40:43,952 INFO L226 Difference]: Without dead ends: 606 [2020-08-22 00:40:43,954 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 [2020-08-22 00:40:43,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-22 00:40:43,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-22 00:40:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-22 00:40:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-22 00:40:43,997 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 129 [2020-08-22 00:40:43,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:43,998 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-22 00:40:43,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:40:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-22 00:40:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-08-22 00:40:44,002 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:44,003 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, 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] [2020-08-22 00:40:44,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:40:44,003 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:44,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1330273235, now seen corresponding path program 1 times [2020-08-22 00:40:44,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:44,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491549531] [2020-08-22 00:40:44,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 00:40:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:40:44,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491549531] [2020-08-22 00:40:44,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:40:44,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 00:40:44,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750513277] [2020-08-22 00:40:44,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:40:44,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:44,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:40:44,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:40:44,301 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-22 00:40:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:46,100 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-22 00:40:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 00:40:46,102 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-08-22 00:40:46,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:46,114 INFO L225 Difference]: With dead ends: 1821 [2020-08-22 00:40:46,115 INFO L226 Difference]: Without dead ends: 1208 [2020-08-22 00:40:46,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-22 00:40:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-22 00:40:46,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 888. [2020-08-22 00:40:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-08-22 00:40:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1272 transitions. [2020-08-22 00:40:46,171 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1272 transitions. Word has length 135 [2020-08-22 00:40:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:46,172 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1272 transitions. [2020-08-22 00:40:46,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:40:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1272 transitions. [2020-08-22 00:40:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 00:40:46,178 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:46,178 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, 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] [2020-08-22 00:40:46,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:40:46,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:46,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:46,179 INFO L82 PathProgramCache]: Analyzing trace with hash -546700786, now seen corresponding path program 1 times [2020-08-22 00:40:46,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:46,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811889587] [2020-08-22 00:40:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:46,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 00:40:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:40:46,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811889587] [2020-08-22 00:40:46,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:40:46,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:40:46,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043662911] [2020-08-22 00:40:46,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:40:46,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:46,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:40:46,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:40:46,543 INFO L87 Difference]: Start difference. First operand 888 states and 1272 transitions. Second operand 8 states. [2020-08-22 00:40:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:48,560 INFO L93 Difference]: Finished difference Result 2829 states and 4173 transitions. [2020-08-22 00:40:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 00:40:48,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-08-22 00:40:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:48,581 INFO L225 Difference]: With dead ends: 2829 [2020-08-22 00:40:48,581 INFO L226 Difference]: Without dead ends: 1947 [2020-08-22 00:40:48,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-22 00:40:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2020-08-22 00:40:48,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1637. [2020-08-22 00:40:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-08-22 00:40:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2196 transitions. [2020-08-22 00:40:48,688 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2196 transitions. Word has length 192 [2020-08-22 00:40:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:48,690 INFO L479 AbstractCegarLoop]: Abstraction has 1637 states and 2196 transitions. [2020-08-22 00:40:48,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:40:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2196 transitions. [2020-08-22 00:40:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-08-22 00:40:48,698 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:48,699 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-08-22 00:40:48,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:40:48,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:48,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:48,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1997304092, now seen corresponding path program 1 times [2020-08-22 00:40:48,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:48,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850232132] [2020-08-22 00:40:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 00:40:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 00:40:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-22 00:40:49,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850232132] [2020-08-22 00:40:49,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:40:49,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 00:40:49,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514179211] [2020-08-22 00:40:49,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:40:49,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:49,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:40:49,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:40:49,134 INFO L87 Difference]: Start difference. First operand 1637 states and 2196 transitions. Second operand 5 states. [2020-08-22 00:40:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:50,432 INFO L93 Difference]: Finished difference Result 3858 states and 5235 transitions. [2020-08-22 00:40:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:40:50,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-08-22 00:40:50,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:50,448 INFO L225 Difference]: With dead ends: 3858 [2020-08-22 00:40:50,449 INFO L226 Difference]: Without dead ends: 2227 [2020-08-22 00:40:50,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:40:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2020-08-22 00:40:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1933. [2020-08-22 00:40:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1933 states. [2020-08-22 00:40:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2552 transitions. [2020-08-22 00:40:50,526 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2552 transitions. Word has length 307 [2020-08-22 00:40:50,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:50,527 INFO L479 AbstractCegarLoop]: Abstraction has 1933 states and 2552 transitions. [2020-08-22 00:40:50,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:40:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2552 transitions. [2020-08-22 00:40:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-08-22 00:40:50,538 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:40:50,538 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-08-22 00:40:50,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:40:50,539 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:40:50,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:40:50,539 INFO L82 PathProgramCache]: Analyzing trace with hash -685542405, now seen corresponding path program 1 times [2020-08-22 00:40:50,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:40:50,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046963593] [2020-08-22 00:40:50,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:40:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:50,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:40:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 00:40:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:50,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 00:40:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:40:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-22 00:40:50,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046963593] [2020-08-22 00:40:50,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:40:50,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 00:40:50,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533619261] [2020-08-22 00:40:50,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:40:50,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:40:50,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:40:50,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:40:50,896 INFO L87 Difference]: Start difference. First operand 1933 states and 2552 transitions. Second operand 5 states. [2020-08-22 00:40:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:40:52,118 INFO L93 Difference]: Finished difference Result 4154 states and 5557 transitions. [2020-08-22 00:40:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:40:52,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 312 [2020-08-22 00:40:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:40:52,120 INFO L225 Difference]: With dead ends: 4154 [2020-08-22 00:40:52,120 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:40:52,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:40:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:40:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:40:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:40:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:40:52,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2020-08-22 00:40:52,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:40:52,130 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:40:52,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:40:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:40:52,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:40:52,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:40:52,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:40:52,893 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2020-08-22 00:40:53,062 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:40:53,063 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)|)) [2020-08-22 00:40:53,063 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:40:53,063 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 00:40:53,063 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,063 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 00:40:53,064 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 00:40:53,065 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 00:40:53,066 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 00:40:53,066 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,066 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,066 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 00:40:53,067 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 00:40:53,068 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,069 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,070 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 00:40:53,070 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 00:40:53,070 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 00:40:53,071 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 00:40:53,072 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 00:40:53,072 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,072 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,072 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,073 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,073 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 00:40:53,074 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,075 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 00:40:53,076 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,077 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 00:40:53,081 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 00:40:53,082 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 00:40:53,084 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 00:40:53,086 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 00:40:53,086 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,086 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,086 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,087 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 00:40:53,088 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 00:40:53,089 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 00:40:53,089 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 00:40:53,089 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 00:40:53,089 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 00:40:53,089 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,090 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 00:40:53,091 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or .cse0 (= 8 |old(~a19~0)|)) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) .cse0 (not (= 14 ~a4~0)) (not (= ~a12~0 0))))) [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,092 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 00:40:53,093 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,094 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 00:40:53,095 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,096 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 00:40:53,097 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 00:40:53,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:40:53,098 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)) [2020-08-22 00:40:53,099 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:40:53,099 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:40:53,099 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-22 00:40:53,099 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 00:40:53,100 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= |old(~a10~0)| 0)) (<= 23 ~a1~0) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-22 00:40:53,100 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 00:40:53,100 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 00:40:53,100 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= |old(~a10~0)| 0)) (<= 23 ~a1~0) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-22 00:40:53,100 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 00:40:53,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:40:53 BoogieIcfgContainer [2020-08-22 00:40:53,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:40:53,132 INFO L168 Benchmark]: Toolchain (without parser) took 16385.55 ms. Allocated memory was 140.0 MB in the beginning and 457.7 MB in the end (delta: 317.7 MB). Free memory was 102.2 MB in the beginning and 227.9 MB in the end (delta: -125.7 MB). Peak memory consumption was 192.0 MB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,133 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.46 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.7 MB in the beginning and 171.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,141 INFO L168 Benchmark]: Boogie Preprocessor took 98.66 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,142 INFO L168 Benchmark]: RCFGBuilder took 1438.19 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.5 MB in the beginning and 180.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,143 INFO L168 Benchmark]: TraceAbstraction took 14128.45 ms. Allocated memory was 238.0 MB in the beginning and 457.7 MB in the end (delta: 219.7 MB). Free memory was 180.6 MB in the beginning and 227.9 MB in the end (delta: -47.3 MB). Peak memory consumption was 172.4 MB. Max. memory is 7.1 GB. [2020-08-22 00:40:53,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.46 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.7 MB in the beginning and 171.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.66 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1438.19 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.5 MB in the beginning and 180.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14128.45 ms. Allocated memory was 238.0 MB in the beginning and 457.7 MB in the end (delta: 219.7 MB). Free memory was 180.6 MB in the beginning and 227.9 MB in the end (delta: -47.3 MB). Peak memory consumption was 172.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: ((((((((!(23 <= \old(a1)) || !(a19 == 8)) || !(\old(a10) <= 0)) || 23 <= a1) || !(9 <= \old(a19))) || a10 == 2) || !(14 == a4)) || !(\old(a19) <= 9)) || a10 == 4) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 2871 SDslu, 216 SDs, 0 SdLazy, 5630 SolverSat, 966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1933occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 944 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 98 NumberOfFragments, 233 HoareAnnotationTreeSize, 62 FomulaSimplifications, 22320 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1340 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 534490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 552/573 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...