/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.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:44:31,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:44:31,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:44:31,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 03:44:31,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 03:44:31,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 03:44:31,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 03:44:31,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 03:44:31,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 03:44:31,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 03:44:31,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 03:44:31,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 03:44:31,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:44:31,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:44:31,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:44:31,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:44:31,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:44:31,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:44:31,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:44:31,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:44:31,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:44:31,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:44:31,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:44:31,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:44:31,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 03:44:31,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 03:44:31,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 03:44:31,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 03:44:31,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 03:44:31,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 03:44:31,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 03:44:31,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 03:44:31,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 03:44:31,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 03:44:31,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 03:44:31,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 03:44:31,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 03:44:31,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 03:44:31,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:44:31,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:44:31,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:44:31,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 03:44:31,166 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:44:31,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:44:31,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:44:31,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:44:31,168 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:44:31,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:44:31,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:44:31,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:44:31,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:44:31,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:44:31,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:44:31,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:44:31,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:44:31,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:44:31,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:44:31,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:44:31,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:44:31,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:44:31,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:44:31,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:44:31,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:44:31,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:44:31,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:44:31,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:44:31,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:44:31,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:44:31,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:44:31,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:44:31,479 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:44:31,480 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:44:31,481 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-20 03:44:31,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efb6c523/618123286d924025ab64a0f4d78d4694/FLAGc958c3936 [2020-07-20 03:44:32,074 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:44:32,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-20 03:44:32,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efb6c523/618123286d924025ab64a0f4d78d4694/FLAGc958c3936 [2020-07-20 03:44:32,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efb6c523/618123286d924025ab64a0f4d78d4694 [2020-07-20 03:44:32,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:44:32,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:44:32,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:44:32,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:44:32,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:44:32,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:44:32" (1/1) ... [2020-07-20 03:44:32,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9b86ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:32, skipping insertion in model container [2020-07-20 03:44:32,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:44:32" (1/1) ... [2020-07-20 03:44:32,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:44:32,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:44:32,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:44:32,820 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:44:33,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:44:33,070 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:44:33,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33 WrapperNode [2020-07-20 03:44:33,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:44:33,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:44:33,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:44:33,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:44:33,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... [2020-07-20 03:44:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:44:33,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:44:33,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:44:33,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:44:33,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 03:44:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:44:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:44:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:44:33,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:44:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:44:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:44:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:44:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:44:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:44:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:44:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:44:34,356 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:44:34,356 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:44:34,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:44:34 BoogieIcfgContainer [2020-07-20 03:44:34,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:44:34,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:44:34,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:44:34,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:44:34,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:44:32" (1/3) ... [2020-07-20 03:44:34,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166dd87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:44:34, skipping insertion in model container [2020-07-20 03:44:34,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:44:33" (2/3) ... [2020-07-20 03:44:34,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166dd87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:44:34, skipping insertion in model container [2020-07-20 03:44:34,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:44:34" (3/3) ... [2020-07-20 03:44:34,372 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-07-20 03:44:34,384 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:44:34,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:44:34,409 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:44:34,436 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:44:34,437 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:44:34,437 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:44:34,437 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:44:34,437 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:44:34,438 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:44:34,438 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:44:34,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:44:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 03:44:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 03:44:34,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:34,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:34,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:34,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2020-07-20 03:44:34,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:34,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860164237] [2020-07-20 03:44:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:44:35,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860164237] [2020-07-20 03:44:35,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:44:35,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:44:35,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203520252] [2020-07-20 03:44:35,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:44:35,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:35,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:44:35,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:44:35,158 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 03:44:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:36,802 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-20 03:44:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:44:36,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-07-20 03:44:36,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:36,821 INFO L225 Difference]: With dead ends: 627 [2020-07-20 03:44:36,822 INFO L226 Difference]: Without dead ends: 327 [2020-07-20 03:44:36,829 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 [2020-07-20 03:44:36,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-20 03:44:36,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-20 03:44:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 03:44:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-20 03:44:36,912 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 142 [2020-07-20 03:44:36,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:36,913 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-20 03:44:36,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:44:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-20 03:44:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 03:44:36,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:36,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:36,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:44:36,924 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:36,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:36,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2020-07-20 03:44:36,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:36,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472825929] [2020-07-20 03:44:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:44:37,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472825929] [2020-07-20 03:44:37,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:44:37,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:44:37,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798519873] [2020-07-20 03:44:37,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:44:37,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:37,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:44:37,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:44:37,208 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-20 03:44:38,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:38,106 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-07-20 03:44:38,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 03:44:38,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-20 03:44:38,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:38,112 INFO L225 Difference]: With dead ends: 635 [2020-07-20 03:44:38,112 INFO L226 Difference]: Without dead ends: 322 [2020-07-20 03:44:38,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:44:38,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-20 03:44:38,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-07-20 03:44:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-07-20 03:44:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-07-20 03:44:38,138 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 157 [2020-07-20 03:44:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:38,139 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-07-20 03:44:38,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:44:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-07-20 03:44:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-20 03:44:38,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:38,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:38,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:44:38,142 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:38,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:38,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2020-07-20 03:44:38,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:38,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214204205] [2020-07-20 03:44:38,144 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:44:38,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214204205] [2020-07-20 03:44:38,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:44:38,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:44:38,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132272795] [2020-07-20 03:44:38,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:44:38,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:38,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:44:38,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:44:38,355 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-07-20 03:44:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:40,334 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-07-20 03:44:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 03:44:40,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-07-20 03:44:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:40,340 INFO L225 Difference]: With dead ends: 1090 [2020-07-20 03:44:40,341 INFO L226 Difference]: Without dead ends: 786 [2020-07-20 03:44:40,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 03:44:40,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-20 03:44:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-07-20 03:44:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-20 03:44:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-07-20 03:44:40,388 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 164 [2020-07-20 03:44:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:40,388 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-07-20 03:44:40,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:44:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-07-20 03:44:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-20 03:44:40,393 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:40,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:40,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 03:44:40,394 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:40,394 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2020-07-20 03:44:40,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:40,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129768605] [2020-07-20 03:44:40,395 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 03:44:40,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129768605] [2020-07-20 03:44:40,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696389655] [2020-07-20 03:44:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18eb964 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:40,906 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18eb964 issued 4 check-sat command(s) [2020-07-20 03:44:40,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:40,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:44:40,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 03:44:41,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:44:41,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 03:44:41,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886311906] [2020-07-20 03:44:41,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:44:41,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:41,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:44:41,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:44:41,038 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 3 states. [2020-07-20 03:44:41,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:41,766 INFO L93 Difference]: Finished difference Result 1673 states and 2199 transitions. [2020-07-20 03:44:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:44:41,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-07-20 03:44:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:41,786 INFO L225 Difference]: With dead ends: 1673 [2020-07-20 03:44:41,787 INFO L226 Difference]: Without dead ends: 1065 [2020-07-20 03:44:41,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:44:41,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-20 03:44:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 918. [2020-07-20 03:44:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-07-20 03:44:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1154 transitions. [2020-07-20 03:44:41,871 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1154 transitions. Word has length 177 [2020-07-20 03:44:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:41,874 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1154 transitions. [2020-07-20 03:44:41,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:44:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1154 transitions. [2020-07-20 03:44:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-20 03:44:41,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:41,884 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:42,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:42,098 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:42,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:42,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1336045319, now seen corresponding path program 1 times [2020-07-20 03:44:42,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:42,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956144800] [2020-07-20 03:44:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:44:42,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956144800] [2020-07-20 03:44:42,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739979333] [2020-07-20 03:44:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a7d4834 No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 03:44:42,603 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a7d4834 issued 4 check-sat command(s) [2020-07-20 03:44:42,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:42,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:44:42,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:44:42,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:44:42,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 03:44:42,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124757151] [2020-07-20 03:44:42,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:44:42,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:42,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:44:42,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:44:42,718 INFO L87 Difference]: Start difference. First operand 918 states and 1154 transitions. Second operand 10 states. [2020-07-20 03:44:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:45,892 INFO L93 Difference]: Finished difference Result 3327 states and 4448 transitions. [2020-07-20 03:44:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 03:44:45,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-07-20 03:44:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:45,910 INFO L225 Difference]: With dead ends: 3327 [2020-07-20 03:44:45,910 INFO L226 Difference]: Without dead ends: 2415 [2020-07-20 03:44:45,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-20 03:44:45,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2020-07-20 03:44:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2250. [2020-07-20 03:44:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2250 states. [2020-07-20 03:44:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 2734 transitions. [2020-07-20 03:44:46,002 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 2734 transitions. Word has length 181 [2020-07-20 03:44:46,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:46,003 INFO L479 AbstractCegarLoop]: Abstraction has 2250 states and 2734 transitions. [2020-07-20 03:44:46,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:44:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2734 transitions. [2020-07-20 03:44:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-20 03:44:46,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:46,014 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:46,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:46,229 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:46,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:46,230 INFO L82 PathProgramCache]: Analyzing trace with hash 955298983, now seen corresponding path program 1 times [2020-07-20 03:44:46,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:46,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878928748] [2020-07-20 03:44:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 67 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 03:44:46,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878928748] [2020-07-20 03:44:46,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363870479] [2020-07-20 03:44:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1505fd11 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:46,608 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1505fd11 issued 4 check-sat command(s) [2020-07-20 03:44:46,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:46,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 03:44:46,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-20 03:44:46,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:44:46,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-20 03:44:46,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511074469] [2020-07-20 03:44:46,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:44:46,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:46,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:44:46,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:44:46,718 INFO L87 Difference]: Start difference. First operand 2250 states and 2734 transitions. Second operand 5 states. [2020-07-20 03:44:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:47,464 INFO L93 Difference]: Finished difference Result 6151 states and 7634 transitions. [2020-07-20 03:44:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 03:44:47,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-07-20 03:44:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:47,487 INFO L225 Difference]: With dead ends: 6151 [2020-07-20 03:44:47,488 INFO L226 Difference]: Without dead ends: 3911 [2020-07-20 03:44:47,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-20 03:44:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2020-07-20 03:44:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3743. [2020-07-20 03:44:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3743 states. [2020-07-20 03:44:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 4593 transitions. [2020-07-20 03:44:47,618 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 4593 transitions. Word has length 209 [2020-07-20 03:44:47,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:47,618 INFO L479 AbstractCegarLoop]: Abstraction has 3743 states and 4593 transitions. [2020-07-20 03:44:47,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:44:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4593 transitions. [2020-07-20 03:44:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-20 03:44:47,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:47,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:47,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:47,846 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:47,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1834298593, now seen corresponding path program 1 times [2020-07-20 03:44:47,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:47,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697618558] [2020-07-20 03:44:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 03:44:48,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697618558] [2020-07-20 03:44:48,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768312929] [2020-07-20 03:44:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@748c3a67 No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 03:44:48,185 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@748c3a67 issued 4 check-sat command(s) [2020-07-20 03:44:48,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:48,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:44:48,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-20 03:44:48,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:44:48,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 03:44:48,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002423830] [2020-07-20 03:44:48,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:44:48,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:48,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:44:48,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:44:48,256 INFO L87 Difference]: Start difference. First operand 3743 states and 4593 transitions. Second operand 10 states. [2020-07-20 03:44:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:50,456 INFO L93 Difference]: Finished difference Result 6515 states and 8087 transitions. [2020-07-20 03:44:50,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 03:44:50,458 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-07-20 03:44:50,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:50,485 INFO L225 Difference]: With dead ends: 6515 [2020-07-20 03:44:50,486 INFO L226 Difference]: Without dead ends: 3790 [2020-07-20 03:44:50,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-20 03:44:50,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2020-07-20 03:44:50,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3603. [2020-07-20 03:44:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3603 states. [2020-07-20 03:44:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4302 transitions. [2020-07-20 03:44:50,658 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4302 transitions. Word has length 213 [2020-07-20 03:44:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:50,658 INFO L479 AbstractCegarLoop]: Abstraction has 3603 states and 4302 transitions. [2020-07-20 03:44:50,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:44:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4302 transitions. [2020-07-20 03:44:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-20 03:44:50,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:50,678 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:50,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:50,895 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:50,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:50,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1557426684, now seen corresponding path program 1 times [2020-07-20 03:44:50,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:50,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152136142] [2020-07-20 03:44:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:44:51,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152136142] [2020-07-20 03:44:51,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539511794] [2020-07-20 03:44:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43995a39 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:51,555 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@43995a39 issued 4 check-sat command(s) [2020-07-20 03:44:51,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:51,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:44:51,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:44:51,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:44:51,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-20 03:44:51,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999753599] [2020-07-20 03:44:51,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 03:44:51,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:51,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 03:44:51,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:44:51,652 INFO L87 Difference]: Start difference. First operand 3603 states and 4302 transitions. Second operand 7 states. [2020-07-20 03:44:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:52,705 INFO L93 Difference]: Finished difference Result 6925 states and 8397 transitions. [2020-07-20 03:44:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 03:44:52,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-07-20 03:44:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:52,719 INFO L225 Difference]: With dead ends: 6925 [2020-07-20 03:44:52,719 INFO L226 Difference]: Without dead ends: 3012 [2020-07-20 03:44:52,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:44:52,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-07-20 03:44:52,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2980. [2020-07-20 03:44:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2980 states. [2020-07-20 03:44:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 3290 transitions. [2020-07-20 03:44:52,804 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 3290 transitions. Word has length 221 [2020-07-20 03:44:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:52,805 INFO L479 AbstractCegarLoop]: Abstraction has 2980 states and 3290 transitions. [2020-07-20 03:44:52,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 03:44:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3290 transitions. [2020-07-20 03:44:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-07-20 03:44:52,818 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:52,819 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:44:53,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:53,035 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1660093140, now seen corresponding path program 1 times [2020-07-20 03:44:53,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:53,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015008697] [2020-07-20 03:44:53,037 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 03:44:53,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015008697] [2020-07-20 03:44:53,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768162430] [2020-07-20 03:44:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3bd7518 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:53,480 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3bd7518 issued 4 check-sat command(s) [2020-07-20 03:44:53,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:53,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:44:53,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:53,556 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 03:44:53,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:44:53,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 03:44:53,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933906980] [2020-07-20 03:44:53,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 03:44:53,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:53,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 03:44:53,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 03:44:53,559 INFO L87 Difference]: Start difference. First operand 2980 states and 3290 transitions. Second operand 11 states. [2020-07-20 03:44:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:56,141 INFO L93 Difference]: Finished difference Result 5818 states and 6424 transitions. [2020-07-20 03:44:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 03:44:56,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 247 [2020-07-20 03:44:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:56,155 INFO L225 Difference]: With dead ends: 5818 [2020-07-20 03:44:56,155 INFO L226 Difference]: Without dead ends: 2542 [2020-07-20 03:44:56,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 03:44:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-07-20 03:44:56,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2536. [2020-07-20 03:44:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2536 states. [2020-07-20 03:44:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 2742 transitions. [2020-07-20 03:44:56,225 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 2742 transitions. Word has length 247 [2020-07-20 03:44:56,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:56,225 INFO L479 AbstractCegarLoop]: Abstraction has 2536 states and 2742 transitions. [2020-07-20 03:44:56,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 03:44:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2742 transitions. [2020-07-20 03:44:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-20 03:44:56,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:56,235 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:56,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:56,449 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:56,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:56,449 INFO L82 PathProgramCache]: Analyzing trace with hash 780172313, now seen corresponding path program 1 times [2020-07-20 03:44:56,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:56,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809291577] [2020-07-20 03:44:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-20 03:44:56,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809291577] [2020-07-20 03:44:56,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436043971] [2020-07-20 03:44:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68277c6d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:56,910 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68277c6d issued 4 check-sat command(s) [2020-07-20 03:44:56,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:56,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:44:56,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-20 03:44:56,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:44:56,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 03:44:56,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907381261] [2020-07-20 03:44:56,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:44:56,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:56,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:44:56,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:44:56,983 INFO L87 Difference]: Start difference. First operand 2536 states and 2742 transitions. Second operand 8 states. [2020-07-20 03:44:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:44:58,672 INFO L93 Difference]: Finished difference Result 4932 states and 5317 transitions. [2020-07-20 03:44:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 03:44:58,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 274 [2020-07-20 03:44:58,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:44:58,683 INFO L225 Difference]: With dead ends: 4932 [2020-07-20 03:44:58,683 INFO L226 Difference]: Without dead ends: 2534 [2020-07-20 03:44:58,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:44:58,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-07-20 03:44:58,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2386. [2020-07-20 03:44:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-07-20 03:44:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2509 transitions. [2020-07-20 03:44:58,766 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2509 transitions. Word has length 274 [2020-07-20 03:44:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:44:58,766 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 2509 transitions. [2020-07-20 03:44:58,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:44:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2509 transitions. [2020-07-20 03:44:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-20 03:44:58,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:44:58,776 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:44:58,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 03:44:58,990 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:44:58,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:44:58,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2020-07-20 03:44:58,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:44:58,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117051366] [2020-07-20 03:44:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b8ed10b [2020-07-20 03:44:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:44:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-20 03:44:59,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117051366] [2020-07-20 03:44:59,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068096854] [2020-07-20 03:44:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28281ed9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:44:59,478 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28281ed9 issued 4 check-sat command(s) [2020-07-20 03:44:59,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:44:59,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:44:59,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:44:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-07-20 03:44:59,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:44:59,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 03:44:59,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674134808] [2020-07-20 03:44:59,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:44:59,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:44:59,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:44:59,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:44:59,579 INFO L87 Difference]: Start difference. First operand 2386 states and 2509 transitions. Second operand 3 states. [2020-07-20 03:45:00,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:45:00,071 INFO L93 Difference]: Finished difference Result 4609 states and 4848 transitions. [2020-07-20 03:45:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:45:00,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-07-20 03:45:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:45:00,073 INFO L225 Difference]: With dead ends: 4609 [2020-07-20 03:45:00,074 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:45:00,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:45:00,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:45:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:45:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:45:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:45:00,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2020-07-20 03:45:00,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:45:00,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:45:00,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:45:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:45:00,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:45:00,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 03:45:00,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:45:00,828 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-20 03:45:00,984 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-20 03:45:02,435 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2020-07-20 03:45:02,986 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-20 03:45:03,433 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-20 03:45:03,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,440 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 03:45:03,441 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,442 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 03:45:03,443 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 03:45:03,444 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,445 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 03:45:03,446 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,447 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 03:45:03,448 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,449 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 03:45:03,450 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:45:03,451 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,452 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 03:45:03,453 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 03:45:03,454 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 03:45:03,455 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 03:45:03,456 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 03:45:03,457 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 03:45:03,458 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,459 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,459 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,459 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse20 (= ~a19~0 |old(~a19~0)|)) (.cse19 (= ~a28~0 |old(~a28~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (and .cse22 .cse18 .cse20 .cse19 .cse21)) (.cse15 (not (<= |old(~a28~0)| 7))) (.cse11 (and .cse22 .cse18 .cse19 .cse20 .cse21)) (.cse0 (= 10 |old(~a28~0)|)) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse16 (and .cse22 .cse18 .cse19 .cse20 (= 1 ~a25~0))) (.cse17 (not (= 1 |old(~a25~0)|))) (.cse1 (not (<= |old(~a19~0)| 0))) (.cse6 (not (<= |old(~a17~0)| 8))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse12 (not (<= |old(~a25~0)| 0))) (.cse4 (not (<= |old(~a17~0)| 7))) (.cse13 (and (= 1 ~a11~0) .cse18 .cse19 .cse20 .cse21)) (.cse9 (not (<= 10 |old(~a28~0)|))) (.cse5 (= 11 |old(~a28~0)|)) (.cse14 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse5 .cse6) (or .cse7 .cse10 .cse11 (not (<= |old(~a28~0)| 9)) .cse12 .cse3) (or .cse10 .cse12 .cse0 .cse1 .cse13 .cse5 .cse6 .cse14) (or .cse11 .cse12 .cse1 .cse4 .cse9 .cse5 .cse6) (or .cse7 .cse15 .cse2 .cse4 .cse6) (or .cse10 .cse15 .cse11 .cse1 .cse6) (or .cse10 .cse11 .cse12 .cse0 .cse1 .cse5 .cse6 (= 9 |old(~a28~0)|)) (or .cse7 .cse16 .cse17 .cse8 .cse6) (or .cse10 .cse16 .cse17 .cse1 .cse9 .cse5 .cse6) (or .cse7 .cse12 .cse4 .cse13 .cse9 .cse5 .cse14)))) [2020-07-20 03:45:03,459 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,459 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,459 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 03:45:03,460 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,461 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 03:45:03,462 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,463 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 03:45:03,464 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 03:45:03,465 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:45:03,466 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-20 03:45:03,467 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:45:03,467 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:45:03,467 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a17~0)| 8))) [2020-07-20 03:45:03,467 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-20 03:45:03,467 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:45:03,467 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 03:45:03,468 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-20 03:45:03,468 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 03:45:03,468 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 03:45:03,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:45:03 BoogieIcfgContainer [2020-07-20 03:45:03,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:45:03,503 INFO L168 Benchmark]: Toolchain (without parser) took 31174.74 ms. Allocated memory was 137.4 MB in the beginning and 670.6 MB in the end (delta: 533.2 MB). Free memory was 101.1 MB in the beginning and 472.3 MB in the end (delta: -371.1 MB). Peak memory consumption was 503.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,503 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.11 ms. Allocated memory was 137.4 MB in the beginning and 206.6 MB in the end (delta: 69.2 MB). Free memory was 100.7 MB in the beginning and 177.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,505 INFO L168 Benchmark]: Boogie Preprocessor took 106.39 ms. Allocated memory is still 206.6 MB. Free memory was 177.2 MB in the beginning and 172.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,506 INFO L168 Benchmark]: RCFGBuilder took 1185.60 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 172.7 MB in the beginning and 188.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,506 INFO L168 Benchmark]: TraceAbstraction took 29133.31 ms. Allocated memory was 237.5 MB in the beginning and 670.6 MB in the end (delta: 433.1 MB). Free memory was 188.9 MB in the beginning and 472.3 MB in the end (delta: -283.3 MB). Peak memory consumption was 491.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:45:03,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.11 ms. Allocated memory was 137.4 MB in the beginning and 206.6 MB in the end (delta: 69.2 MB). Free memory was 100.7 MB in the beginning and 177.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.39 ms. Allocated memory is still 206.6 MB. Free memory was 177.2 MB in the beginning and 172.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.60 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 172.7 MB in the beginning and 188.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29133.31 ms. Allocated memory was 237.5 MB in the beginning and 670.6 MB in the end (delta: 433.1 MB). Free memory was 188.9 MB in the beginning and 472.3 MB in the end (delta: -283.3 MB). Peak memory consumption was 491.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a19)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && a25 <= 0) && a17 <= 7) && 10 <= a28)) || ((a17 == \old(a17) && a19 <= 0) && a28 <= 7)) || !(\old(a28) <= 7)) || ((((!(11 == a28) && a25 <= 0) && a17 <= 7) && 10 <= a28) && a19 <= 0)) || ((((!(11 == a28) && a17 == \old(a17)) && 10 <= a28) && a19 <= 0) && 1 == a25)) || !(8 <= \old(a17))) || ((((1 == a19 && !(11 == a28)) && !(a28 == a17)) && a17 == \old(a17)) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && 8 <= a17) && 10 <= a28)) || ((1 == a19 && a17 <= 7) && a28 <= 7)) || (((((!(11 == a28) && !(10 == a28)) && 1 == a11) && a17 == \old(a17)) && a25 <= 0) && a19 <= 0)) || ((((!(11 == a28) && !(10 == a28)) && !(a28 == a17)) && a17 <= 7) && a19 <= 0)) || !(\old(a25) <= 0)) || ((1 == a19 && a17 == \old(a17)) && 1 == a25)) || (((((!(11 == a28) && !(10 == a28)) && a17 == \old(a17)) && a25 <= 0) && !(9 == a28)) && a19 <= 0)) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 795 SDtfs, 7534 SDslu, 602 SDs, 0 SdLazy, 11073 SolverSat, 1888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2039 GetRequests, 1914 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3743occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1045 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 151 PreInvPairs, 207 NumberOfFragments, 925 HoareAnnotationTreeSize, 151 FomulaSimplifications, 69893 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4510 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4117 NumberOfCodeBlocks, 4117 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 4098 ConstructedInterpolants, 0 QuantifiedInterpolants, 1766790 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2008/2123 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...