/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:32:55,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:32:55,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:32:55,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:32:55,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:32:55,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:32:55,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:32:55,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:32:55,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:32:55,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:32:55,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:32:55,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:32:55,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:32:55,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:32:55,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:32:55,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:32:55,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:32:55,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:32:55,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:32:55,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:32:55,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:32:55,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:32:55,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:32:55,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:32:55,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:32:55,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:32:55,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:32:55,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:32:55,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:32:55,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:32:55,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:32:55,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:32:55,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:32:55,126 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:32:55,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:32:55,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:32:55,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:32:55,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:32:55,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:32:55,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:32:55,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:32:55,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:32:55,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:32:55,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:32:55,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:32:55,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:32:55,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:32:55,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:32:55,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:32:55,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:32:55,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:32:55,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:32:55,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:32:55,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:32:55,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:32:55,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:32:55,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:32:55,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:32:55,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:32:55,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:32:55,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:32:55,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:32:55,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:32:55,581 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:32:55,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-09-04 13:32:55,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805990c03/37123c4b58eb43d6b263b34b3937bf4c/FLAG3e3a858a5 [2020-09-04 13:32:56,352 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:32:56,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-09-04 13:32:56,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805990c03/37123c4b58eb43d6b263b34b3937bf4c/FLAG3e3a858a5 [2020-09-04 13:32:56,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805990c03/37123c4b58eb43d6b263b34b3937bf4c [2020-09-04 13:32:56,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:32:56,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:32:56,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:32:56,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:32:56,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:32:56,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:56" (1/1) ... [2020-09-04 13:32:56,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88af870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:56, skipping insertion in model container [2020-09-04 13:32:56,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:56" (1/1) ... [2020-09-04 13:32:56,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:32:56,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:32:57,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:57,130 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:32:57,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:57,437 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:32:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57 WrapperNode [2020-09-04 13:32:57,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:32:57,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:32:57,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:32:57,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:32:57,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... [2020-09-04 13:32:57,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:32:57,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:32:57,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:32:57,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:32:57,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:32:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:32:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:32:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:32:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:32:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:32:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:32:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:32:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:32:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:32:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:32:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:32:58,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:32:58,844 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:32:58,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:58 BoogieIcfgContainer [2020-09-04 13:32:58,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:32:58,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:32:58,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:32:58,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:32:58,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:32:56" (1/3) ... [2020-09-04 13:32:58,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ec6d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:58, skipping insertion in model container [2020-09-04 13:32:58,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:57" (2/3) ... [2020-09-04 13:32:58,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ec6d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:58, skipping insertion in model container [2020-09-04 13:32:58,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:58" (3/3) ... [2020-09-04 13:32:58,861 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label34.c [2020-09-04 13:32:58,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:32:58,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:32:58,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:32:58,941 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:32:58,942 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:32:58,942 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:32:58,942 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:32:58,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:32:58,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:32:58,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:32:58,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:32:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-04 13:32:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-04 13:32:58,985 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:58,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:58,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:58,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:58,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2020-09-04 13:32:59,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:59,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954212464] [2020-09-04 13:32:59,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:59,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954212464] [2020-09-04 13:32:59,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:59,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:32:59,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411811441] [2020-09-04 13:32:59,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:32:59,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:59,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:32:59,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:32:59,772 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-04 13:33:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:01,408 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-04 13:33:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:33:01,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-09-04 13:33:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:01,428 INFO L225 Difference]: With dead ends: 557 [2020-09-04 13:33:01,429 INFO L226 Difference]: Without dead ends: 286 [2020-09-04 13:33:01,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:33:01,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-04 13:33:01,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-04 13:33:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-04 13:33:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-09-04 13:33:01,528 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 111 [2020-09-04 13:33:01,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:01,532 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-09-04 13:33:01,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:33:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-09-04 13:33:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-04 13:33:01,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:01,546 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:01,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:33:01,549 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:01,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:01,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1121004690, now seen corresponding path program 1 times [2020-09-04 13:33:01,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:01,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091777701] [2020-09-04 13:33:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:01,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:01,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:33:01,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091777701] [2020-09-04 13:33:01,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:33:01,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:33:01,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6427663] [2020-09-04 13:33:01,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:33:01,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:01,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:33:01,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:01,797 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-09-04 13:33:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:03,941 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-09-04 13:33:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 13:33:03,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-09-04 13:33:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:03,949 INFO L225 Difference]: With dead ends: 987 [2020-09-04 13:33:03,949 INFO L226 Difference]: Without dead ends: 713 [2020-09-04 13:33:03,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:33:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-09-04 13:33:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-09-04 13:33:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-09-04 13:33:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 979 transitions. [2020-09-04 13:33:04,016 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 979 transitions. Word has length 120 [2020-09-04 13:33:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:04,017 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 979 transitions. [2020-09-04 13:33:04,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:33:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 979 transitions. [2020-09-04 13:33:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-04 13:33:04,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:04,022 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:04,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:33:04,023 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:04,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:04,023 INFO L82 PathProgramCache]: Analyzing trace with hash 476978283, now seen corresponding path program 1 times [2020-09-04 13:33:04,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:04,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173603108] [2020-09-04 13:33:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:04,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:04,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:04,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:33:04,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173603108] [2020-09-04 13:33:04,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332421551] [2020-09-04 13:33:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:04,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:04,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 13:33:04,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:33:04,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:33:04,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507661253] [2020-09-04 13:33:04,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:33:04,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:04,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:33:04,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:04,502 INFO L87 Difference]: Start difference. First operand 699 states and 979 transitions. Second operand 3 states. [2020-09-04 13:33:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:05,053 INFO L93 Difference]: Finished difference Result 2077 states and 2945 transitions. [2020-09-04 13:33:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:33:05,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-09-04 13:33:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:05,062 INFO L225 Difference]: With dead ends: 2077 [2020-09-04 13:33:05,062 INFO L226 Difference]: Without dead ends: 1384 [2020-09-04 13:33:05,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:05,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2020-09-04 13:33:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1110. [2020-09-04 13:33:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-09-04 13:33:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1540 transitions. [2020-09-04 13:33:05,123 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1540 transitions. Word has length 131 [2020-09-04 13:33:05,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:05,124 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1540 transitions. [2020-09-04 13:33:05,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:33:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1540 transitions. [2020-09-04 13:33:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-04 13:33:05,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:05,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:05,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:33:05,344 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:05,346 INFO L82 PathProgramCache]: Analyzing trace with hash -530260225, now seen corresponding path program 1 times [2020-09-04 13:33:05,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:05,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528207280] [2020-09-04 13:33:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:05,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:05,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:33:05,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528207280] [2020-09-04 13:33:05,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998563308] [2020-09-04 13:33:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:05,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:05,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:33:05,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:05,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-09-04 13:33:05,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515402041] [2020-09-04 13:33:05,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 13:33:05,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 13:33:05,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:33:05,918 INFO L87 Difference]: Start difference. First operand 1110 states and 1540 transitions. Second operand 12 states. [2020-09-04 13:33:09,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:09,221 INFO L93 Difference]: Finished difference Result 2917 states and 4061 transitions. [2020-09-04 13:33:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 13:33:09,222 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2020-09-04 13:33:09,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:09,231 INFO L225 Difference]: With dead ends: 2917 [2020-09-04 13:33:09,232 INFO L226 Difference]: Without dead ends: 1523 [2020-09-04 13:33:09,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2020-09-04 13:33:09,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-09-04 13:33:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1106. [2020-09-04 13:33:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-09-04 13:33:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1392 transitions. [2020-09-04 13:33:09,290 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1392 transitions. Word has length 141 [2020-09-04 13:33:09,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:09,292 INFO L479 AbstractCegarLoop]: Abstraction has 1106 states and 1392 transitions. [2020-09-04 13:33:09,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 13:33:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1392 transitions. [2020-09-04 13:33:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 13:33:09,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:09,297 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:09,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:09,512 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:09,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:09,512 INFO L82 PathProgramCache]: Analyzing trace with hash -924709118, now seen corresponding path program 1 times [2020-09-04 13:33:09,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:09,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145028666] [2020-09-04 13:33:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-04 13:33:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 13:33:09,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145028666] [2020-09-04 13:33:09,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640227681] [2020-09-04 13:33:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:09,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:09,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-04 13:33:10,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:10,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:33:10,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938168660] [2020-09-04 13:33:10,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:33:10,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:10,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:33:10,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:33:10,087 INFO L87 Difference]: Start difference. First operand 1106 states and 1392 transitions. Second operand 10 states. [2020-09-04 13:33:13,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:13,514 INFO L93 Difference]: Finished difference Result 3974 states and 5293 transitions. [2020-09-04 13:33:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 13:33:13,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-09-04 13:33:13,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:13,537 INFO L225 Difference]: With dead ends: 3974 [2020-09-04 13:33:13,541 INFO L226 Difference]: Without dead ends: 3009 [2020-09-04 13:33:13,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-09-04 13:33:13,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2020-09-04 13:33:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2677. [2020-09-04 13:33:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2677 states. [2020-09-04 13:33:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3374 transitions. [2020-09-04 13:33:13,643 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3374 transitions. Word has length 161 [2020-09-04 13:33:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:13,643 INFO L479 AbstractCegarLoop]: Abstraction has 2677 states and 3374 transitions. [2020-09-04 13:33:13,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:33:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3374 transitions. [2020-09-04 13:33:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-04 13:33:13,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:13,659 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:13,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:13,873 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:13,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1619320954, now seen corresponding path program 1 times [2020-09-04 13:33:13,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:13,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421168479] [2020-09-04 13:33:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-04 13:33:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-04 13:33:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 73 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-04 13:33:14,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421168479] [2020-09-04 13:33:14,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140739481] [2020-09-04 13:33:14,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:14,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:33:14,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-04 13:33:14,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:14,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-09-04 13:33:14,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668738321] [2020-09-04 13:33:14,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:33:14,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:14,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:33:14,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:14,439 INFO L87 Difference]: Start difference. First operand 2677 states and 3374 transitions. Second operand 8 states. [2020-09-04 13:33:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:16,860 INFO L93 Difference]: Finished difference Result 5678 states and 7205 transitions. [2020-09-04 13:33:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 13:33:16,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-09-04 13:33:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:16,861 INFO L225 Difference]: With dead ends: 5678 [2020-09-04 13:33:16,861 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:33:16,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:33:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:33:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:33:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:33:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:33:16,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-04 13:33:16,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:16,878 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:33:16,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:33:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:33:16,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:33:17,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:17,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:33:19,503 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 116 [2020-09-04 13:33:19,812 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 116 [2020-09-04 13:33:20,360 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2020-09-04 13:33:20,800 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2020-09-04 13:33:21,185 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2020-09-04 13:33:21,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:21,190 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-04 13:33:21,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:21,191 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-04 13:33:21,191 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-04 13:33:21,191 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,192 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,192 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,192 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,192 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,192 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-04 13:33:21,193 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-04 13:33:21,194 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-04 13:33:21,195 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-04 13:33:21,196 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,197 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-04 13:33:21,198 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-04 13:33:21,199 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-04 13:33:21,200 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,201 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-04 13:33:21,202 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-04 13:33:21,203 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-04 13:33:21,204 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,205 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-04 13:33:21,206 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-04 13:33:21,207 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a8~0)| 13))) (.cse0 (not (= |old(~a7~0)| 1))) (.cse3 (not (<= |old(~a7~0)| 0))) (.cse4 (not (<= |old(~a16~0)| 5))) (.cse2 (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse2) (or .cse3 (not (<= 15 |old(~a8~0)|)) .cse2) (or (= |old(~a8~0)| 13) .cse4 (= 15 |old(~a8~0)|) .cse2))) [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-04 13:33:21,208 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-04 13:33:21,209 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-04 13:33:21,210 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-04 13:33:21,211 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-04 13:33:21,212 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-04 13:33:21,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:21,214 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= ~a7~0 0) (<= 15 ~a8~0)) [2020-09-04 13:33:21,214 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:33:21,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:21,214 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-09-04 13:33:21,214 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:21,214 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 1)) (.cse4 (<= ~a16~0 5)) (.cse0 (= 15 |old(~a8~0)|)) (.cse1 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and (not (= ~a8~0 15)) .cse4 .cse0 (not (= ~a8~0 13))) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse4 .cse0) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (and .cse0 .cse1 (<= 15 ~a8~0)))) [2020-09-04 13:33:21,214 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-04 13:33:21,215 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-04 13:33:21,215 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 1)) (.cse4 (<= ~a16~0 5)) (.cse0 (= 15 |old(~a8~0)|)) (.cse1 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and (not (= ~a8~0 15)) .cse4 .cse0 (not (= ~a8~0 13))) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse4 .cse0) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (and .cse0 .cse1 (<= 15 ~a8~0)))) [2020-09-04 13:33:21,215 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:21,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:33:21 BoogieIcfgContainer [2020-09-04 13:33:21,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:33:21,241 INFO L168 Benchmark]: Toolchain (without parser) took 24673.56 ms. Allocated memory was 140.0 MB in the beginning and 535.8 MB in the end (delta: 395.8 MB). Free memory was 102.0 MB in the beginning and 318.7 MB in the end (delta: -216.8 MB). Peak memory consumption was 367.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:21,242 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:33:21,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.43 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 172.1 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:21,244 INFO L168 Benchmark]: Boogie Preprocessor took 133.47 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 166.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:21,245 INFO L168 Benchmark]: RCFGBuilder took 1277.92 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 180.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:21,246 INFO L168 Benchmark]: TraceAbstraction took 22387.12 ms. Allocated memory was 238.6 MB in the beginning and 535.8 MB in the end (delta: 297.3 MB). Free memory was 179.4 MB in the beginning and 318.7 MB in the end (delta: -139.4 MB). Peak memory consumption was 346.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:21,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 869.43 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 172.1 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.47 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 166.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.92 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 180.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22387.12 ms. Allocated memory was 238.6 MB in the beginning and 535.8 MB in the end (delta: 297.3 MB). Free memory was 179.4 MB in the beginning and 318.7 MB in the end (delta: -139.4 MB). Peak memory consumption was 346.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((15 == \old(a8) && a7 <= 0) && a8 <= 13) || ((a7 == 1 && 15 == \old(a8)) && a8 <= 13)) || (((!(a8 == 15) && a16 <= 5) && 15 == \old(a8)) && !(a8 == 13))) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || ((a7 == 1 && a16 <= 5) && 15 == \old(a8))) || (((((a17 == \old(a17) && a7 == \old(a7)) && a21 == \old(a21)) && a20 == \old(a20)) && a16 == \old(a16)) && a8 == \old(a8))) || ((15 == \old(a8) && a7 <= 0) && 15 <= a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.1s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 235 SDtfs, 3746 SDslu, 308 SDs, 0 SdLazy, 8742 SolverSat, 1366 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2677occurred 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, 1043 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 201 NumberOfFragments, 418 HoareAnnotationTreeSize, 105 FomulaSimplifications, 52469 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3562 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1427 NumberOfCodeBlocks, 1427 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1417 ConstructedInterpolants, 0 QuantifiedInterpolants, 398079 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1853 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 439/474 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...