/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:34:02,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:34:02,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:34:02,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:34:02,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:34:02,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:34:02,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:34:02,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:34:02,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:34:02,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:34:02,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:34:02,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:34:02,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:34:02,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:34:02,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:34:02,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:34:02,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:34:02,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:34:02,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:34:02,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:34:02,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:34:02,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:34:02,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:34:02,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:34:02,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:34:02,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:34:02,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:34:02,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:34:02,311 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 [2020-07-21 16:34:02,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:34:02,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:34:02,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:34:02,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:34:02,327 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:34:02,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:34:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:34:02,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:34:02,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:34:02,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:34:02,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:34:02,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:34:02,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:34:02,329 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:34:02,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:34:02,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:34:02,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:34:02,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:34:02,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:34:02,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:34:02,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:34:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:34:02,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:34:02,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:34:02,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:34:02,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:34:02,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:02,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:34:02,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:34:02,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES 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 -> 2 [2020-07-21 16:34:02,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:34:02,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:34:02,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:34:02,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:34:02,628 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:34:02,628 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 16:34:02,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d68ab84/0cfcc297413e48b7a8cca399b703d347/FLAG39b9d561d [2020-07-21 16:34:03,200 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:34:03,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 16:34:03,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d68ab84/0cfcc297413e48b7a8cca399b703d347/FLAG39b9d561d [2020-07-21 16:34:03,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d68ab84/0cfcc297413e48b7a8cca399b703d347 [2020-07-21 16:34:03,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:34:03,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:34:03,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:34:03,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:34:03,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:34:03,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:34:03" (1/1) ... [2020-07-21 16:34:03,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d0d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:03, skipping insertion in model container [2020-07-21 16:34:03,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:34:03" (1/1) ... [2020-07-21 16:34:03,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:34:03,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:34:04,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:34:04,190 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:34:04,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:34:04,315 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:34:04,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04 WrapperNode [2020-07-21 16:34:04,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:34:04,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:34:04,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:34:04,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:34:04,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (1/1) ... [2020-07-21 16:34:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:34:04,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:34:04,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:34:04,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:34:04,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (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 [2020-07-21 16:34:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:34:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:34:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:34:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:34:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:34:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:34:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:34:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:34:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:34:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:34:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:34:05,594 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:34:05,595 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:34:05,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:34:05 BoogieIcfgContainer [2020-07-21 16:34:05,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:34:05,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:34:05,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:34:05,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:34:05,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:34:03" (1/3) ... [2020-07-21 16:34:05,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abbf91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:34:05, skipping insertion in model container [2020-07-21 16:34:05,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:04" (2/3) ... [2020-07-21 16:34:05,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abbf91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:34:05, skipping insertion in model container [2020-07-21 16:34:05,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:34:05" (3/3) ... [2020-07-21 16:34:05,609 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-07-21 16:34:05,619 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:34:05,628 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:34:05,641 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:34:05,667 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:34:05,667 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:34:05,667 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:34:05,667 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:34:05,669 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:34:05,669 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:34:05,669 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:34:05,669 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:34:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 16:34:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-21 16:34:05,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:05,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:34:05,704 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:05,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:05,710 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2020-07-21 16:34:05,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:05,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910707211] [2020-07-21 16:34:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:05,950 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:05,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:05,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:34:05,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:06,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:06,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910707211] [2020-07-21 16:34:06,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:06,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:34:06,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792171125] [2020-07-21 16:34:06,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:34:06,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:06,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:34:06,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:06,113 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 16:34:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:07,037 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-21 16:34:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:34:07,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-07-21 16:34:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:07,055 INFO L225 Difference]: With dead ends: 615 [2020-07-21 16:34:07,056 INFO L226 Difference]: Without dead ends: 317 [2020-07-21 16:34:07,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:07,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-21 16:34:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-21 16:34:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 16:34:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-21 16:34:07,144 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 105 [2020-07-21 16:34:07,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:07,146 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-21 16:34:07,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:34:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-21 16:34:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-21 16:34:07,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:07,161 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] [2020-07-21 16:34:07,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:07,380 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:07,381 INFO L82 PathProgramCache]: Analyzing trace with hash -643989844, now seen corresponding path program 1 times [2020-07-21 16:34:07,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:07,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633076953] [2020-07-21 16:34:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:07,483 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:07,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:07,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:34:07,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:07,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:07,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633076953] [2020-07-21 16:34:07,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:07,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:34:07,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322669714] [2020-07-21 16:34:07,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:34:07,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:07,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:34:07,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:07,545 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-21 16:34:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:08,167 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-21 16:34:08,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:34:08,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-21 16:34:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:08,175 INFO L225 Difference]: With dead ends: 919 [2020-07-21 16:34:08,176 INFO L226 Difference]: Without dead ends: 608 [2020-07-21 16:34:08,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-21 16:34:08,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-21 16:34:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-21 16:34:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-21 16:34:08,227 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 120 [2020-07-21 16:34:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:08,228 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-21 16:34:08,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:34:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-21 16:34:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-21 16:34:08,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:08,233 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] [2020-07-21 16:34:08,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:08,434 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:08,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1033644135, now seen corresponding path program 1 times [2020-07-21 16:34:08,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:08,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873116262] [2020-07-21 16:34:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:08,556 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:08,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:08,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:34:08,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:08,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:08,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873116262] [2020-07-21 16:34:08,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:08,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:34:08,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865234648] [2020-07-21 16:34:08,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:34:08,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:08,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:34:08,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:08,638 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-21 16:34:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:09,234 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-21 16:34:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:34:09,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-07-21 16:34:09,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:09,242 INFO L225 Difference]: With dead ends: 1209 [2020-07-21 16:34:09,243 INFO L226 Difference]: Without dead ends: 753 [2020-07-21 16:34:09,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-21 16:34:09,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-21 16:34:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-21 16:34:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-21 16:34:09,281 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 127 [2020-07-21 16:34:09,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:09,283 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-21 16:34:09,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:34:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-21 16:34:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-21 16:34:09,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:09,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:34:09,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:09,502 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:09,502 INFO L82 PathProgramCache]: Analyzing trace with hash -288422879, now seen corresponding path program 1 times [2020-07-21 16:34:09,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:09,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136006809] [2020-07-21 16:34:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:09,631 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:09,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:09,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 16:34:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:09,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:09,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136006809] [2020-07-21 16:34:09,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:09,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:34:09,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361019780] [2020-07-21 16:34:09,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:34:09,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:09,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:34:09,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:34:09,714 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 5 states. [2020-07-21 16:34:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:10,542 INFO L93 Difference]: Finished difference Result 1827 states and 2557 transitions. [2020-07-21 16:34:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:34:10,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-07-21 16:34:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:10,551 INFO L225 Difference]: With dead ends: 1827 [2020-07-21 16:34:10,552 INFO L226 Difference]: Without dead ends: 1224 [2020-07-21 16:34:10,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:34:10,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-07-21 16:34:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1208. [2020-07-21 16:34:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-07-21 16:34:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1597 transitions. [2020-07-21 16:34:10,614 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1597 transitions. Word has length 131 [2020-07-21 16:34:10,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:10,615 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1597 transitions. [2020-07-21 16:34:10,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:34:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1597 transitions. [2020-07-21 16:34:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 16:34:10,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:10,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:34:10,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:10,834 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:10,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2107190021, now seen corresponding path program 1 times [2020-07-21 16:34:10,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:10,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167584846] [2020-07-21 16:34:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:10,946 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:10,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:10,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:34:10,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:10,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:10,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167584846] [2020-07-21 16:34:10,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:10,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:34:10,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428628217] [2020-07-21 16:34:10,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:34:11,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:11,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:34:11,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:34:11,000 INFO L87 Difference]: Start difference. First operand 1208 states and 1597 transitions. Second operand 5 states. [2020-07-21 16:34:11,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:11,869 INFO L93 Difference]: Finished difference Result 2890 states and 3972 transitions. [2020-07-21 16:34:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:34:11,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-07-21 16:34:11,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:11,888 INFO L225 Difference]: With dead ends: 2890 [2020-07-21 16:34:11,888 INFO L226 Difference]: Without dead ends: 1688 [2020-07-21 16:34:11,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:34:11,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-07-21 16:34:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1680. [2020-07-21 16:34:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-07-21 16:34:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2186 transitions. [2020-07-21 16:34:12,012 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2186 transitions. Word has length 140 [2020-07-21 16:34:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:12,013 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2186 transitions. [2020-07-21 16:34:12,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:34:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2186 transitions. [2020-07-21 16:34:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 16:34:12,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:12,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:34:12,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:12,241 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash -120934292, now seen corresponding path program 1 times [2020-07-21 16:34:12,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:12,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944720523] [2020-07-21 16:34:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:12,407 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:12,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:12,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:34:12,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:12,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:34:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:12,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944720523] [2020-07-21 16:34:12,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:34:12,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:34:12,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541817766] [2020-07-21 16:34:12,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:34:12,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:12,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:34:12,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:34:12,560 INFO L87 Difference]: Start difference. First operand 1680 states and 2186 transitions. Second operand 6 states. [2020-07-21 16:34:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:13,444 INFO L93 Difference]: Finished difference Result 3362 states and 4385 transitions. [2020-07-21 16:34:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:34:13,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-21 16:34:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:13,455 INFO L225 Difference]: With dead ends: 3362 [2020-07-21 16:34:13,455 INFO L226 Difference]: Without dead ends: 1533 [2020-07-21 16:34:13,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:34:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-07-21 16:34:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1526. [2020-07-21 16:34:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-21 16:34:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1835 transitions. [2020-07-21 16:34:13,583 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1835 transitions. Word has length 149 [2020-07-21 16:34:13,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:13,583 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1835 transitions. [2020-07-21 16:34:13,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:34:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1835 transitions. [2020-07-21 16:34:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 16:34:13,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:13,591 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, 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] [2020-07-21 16:34:13,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:13,804 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:13,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1053781276, now seen corresponding path program 1 times [2020-07-21 16:34:13,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:13,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75708268] [2020-07-21 16:34:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:13,916 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:13,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:13,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:34:13,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:13,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:34:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:14,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75708268] [2020-07-21 16:34:14,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:34:14,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:34:14,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076990708] [2020-07-21 16:34:14,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:34:14,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:34:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:34:14,026 INFO L87 Difference]: Start difference. First operand 1526 states and 1835 transitions. Second operand 6 states. [2020-07-21 16:34:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:15,324 INFO L93 Difference]: Finished difference Result 4976 states and 6577 transitions. [2020-07-21 16:34:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:34:15,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2020-07-21 16:34:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:15,351 INFO L225 Difference]: With dead ends: 4976 [2020-07-21 16:34:15,351 INFO L226 Difference]: Without dead ends: 3456 [2020-07-21 16:34:15,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:34:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2020-07-21 16:34:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 3213. [2020-07-21 16:34:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2020-07-21 16:34:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 3885 transitions. [2020-07-21 16:34:15,473 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 3885 transitions. Word has length 153 [2020-07-21 16:34:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:15,474 INFO L479 AbstractCegarLoop]: Abstraction has 3213 states and 3885 transitions. [2020-07-21 16:34:15,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:34:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 3885 transitions. [2020-07-21 16:34:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-21 16:34:15,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:15,484 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:34:15,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:15,699 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:15,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:15,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1869326033, now seen corresponding path program 1 times [2020-07-21 16:34:15,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:15,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909920003] [2020-07-21 16:34:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:15,813 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:15,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:15,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:34:15,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:15,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:15,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909920003] [2020-07-21 16:34:15,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:15,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:34:15,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792760147] [2020-07-21 16:34:15,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:34:15,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:15,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:34:15,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:15,859 INFO L87 Difference]: Start difference. First operand 3213 states and 3885 transitions. Second operand 3 states. [2020-07-21 16:34:16,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:16,469 INFO L93 Difference]: Finished difference Result 6267 states and 7621 transitions. [2020-07-21 16:34:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:34:16,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-07-21 16:34:16,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:16,484 INFO L225 Difference]: With dead ends: 6267 [2020-07-21 16:34:16,484 INFO L226 Difference]: Without dead ends: 3064 [2020-07-21 16:34:16,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2020-07-21 16:34:16,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 2918. [2020-07-21 16:34:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2020-07-21 16:34:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3378 transitions. [2020-07-21 16:34:16,559 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3378 transitions. Word has length 163 [2020-07-21 16:34:16,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:16,560 INFO L479 AbstractCegarLoop]: Abstraction has 2918 states and 3378 transitions. [2020-07-21 16:34:16,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:34:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3378 transitions. [2020-07-21 16:34:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-21 16:34:16,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:16,570 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-07-21 16:34:16,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:16,785 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:16,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:16,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1712063712, now seen corresponding path program 1 times [2020-07-21 16:34:16,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:16,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311280260] [2020-07-21 16:34:16,786 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:16,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:16,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:16,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:34:16,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-21 16:34:16,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:34:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 129 proven. 45 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-21 16:34:17,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311280260] [2020-07-21 16:34:17,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:34:17,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:34:17,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620405173] [2020-07-21 16:34:17,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:34:17,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:17,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:34:17,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:34:17,082 INFO L87 Difference]: Start difference. First operand 2918 states and 3378 transitions. Second operand 6 states. [2020-07-21 16:34:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:34:17,974 INFO L93 Difference]: Finished difference Result 5536 states and 6438 transitions. [2020-07-21 16:34:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:34:17,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-07-21 16:34:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:34:17,975 INFO L225 Difference]: With dead ends: 5536 [2020-07-21 16:34:17,975 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:34:17,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:34:17,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:34:17,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:34:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:34:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:34:17,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-07-21 16:34:17,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:34:17,988 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:34:17,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:34:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:34:17,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:34:18,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:18,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:34:19,296 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2020-07-21 16:34:19,546 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-21 16:34:19,789 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-21 16:34:19,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:34:19,794 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 16:34:19,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,795 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 16:34:19,796 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 16:34:19,797 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 16:34:19,798 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2020-07-21 16:34:19,799 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 16:34:19,800 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 16:34:19,801 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,802 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 16:34:19,803 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,804 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 16:34:19,805 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,806 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 16:34:19,807 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,808 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 16:34:19,809 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,810 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|))) (let ((.cse6 (not (<= 11 |old(~a28~0)|))) (.cse3 (<= 11 ~a28~0)) (.cse11 (<= 9 ~a28~0)) (.cse8 (not (<= 9 |old(~a28~0)|))) (.cse15 (not (<= 10 |old(~a28~0)|))) (.cse14 (<= 10 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 10))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse17 (and .cse1 .cse10 .cse2 .cse12)) (.cse13 (not (<= |old(~a19~0)| 0))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse4 (= 1 ~a25~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse9 (and .cse1 .cse10 .cse2 .cse11 .cse12)) (or .cse13 .cse6 .cse3) (or .cse0 (and (<= ~a28~0 10) .cse14 .cse2) .cse7 .cse15) (or (and .cse1 .cse2 .cse11 .cse12) .cse8 .cse13) (or .cse0 .cse7 (and .cse1 .cse10 .cse2 .cse4) .cse9 .cse5) (or .cse13 .cse15 .cse14) (or .cse0 .cse16 .cse9 .cse17) (or .cse7 .cse9 .cse17 .cse13) (or .cse0 .cse16 .cse5 (and .cse1 .cse2 .cse4))))) [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 16:34:19,811 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 16:34:19,812 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 16:34:19,813 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 16:34:19,814 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,815 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 16:34:19,816 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 16:34:19,817 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 16:34:19,818 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 16:34:19,818 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 16:34:19,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:34:19,818 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-21 16:34:19,818 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:34:19,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:34:19,818 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)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|))) [2020-07-21 16:34:19,819 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-21 16:34:19,819 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 16:34:19,819 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 16:34:19,819 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-21 16:34:19,819 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 16:34:19,819 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 16:34:19,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:34:19 BoogieIcfgContainer [2020-07-21 16:34:19,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:34:19,842 INFO L168 Benchmark]: Toolchain (without parser) took 16365.82 ms. Allocated memory was 140.5 MB in the beginning and 475.0 MB in the end (delta: 334.5 MB). Free memory was 100.8 MB in the beginning and 404.2 MB in the end (delta: -303.4 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,843 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.61 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,844 INFO L168 Benchmark]: Boogie Preprocessor took 116.73 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,845 INFO L168 Benchmark]: RCFGBuilder took 1163.04 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,846 INFO L168 Benchmark]: TraceAbstraction took 14237.75 ms. Allocated memory was 235.4 MB in the beginning and 475.0 MB in the end (delta: 239.6 MB). Free memory was 179.7 MB in the beginning and 404.2 MB in the end (delta: -224.5 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:34:19,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 837.61 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.73 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1163.04 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 165.8 MB in the beginning and 181.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14237.75 ms. Allocated memory was 235.4 MB in the beginning and 475.0 MB in the end (delta: 239.6 MB). Free memory was 179.7 MB in the beginning and 404.2 MB in the end (delta: -224.5 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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 == a25)) || ((1 == a19 && a28 <= 7) && 1 == a25)) || (((1 == a19 && 8 <= a17) && a28 <= 10) && 9 <= a28)) || ((1 == a19 && 8 <= a17) && a28 <= 7)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (a19 <= 0 && 9 <= a28)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((1 == a19 && 8 <= a17) && 1 == a25)) || (8 <= a17 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1142 SDtfs, 2821 SDslu, 517 SDs, 0 SdLazy, 5472 SolverSat, 989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1841 GetRequests, 1800 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3213occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 710 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 160 NumberOfFragments, 461 HoareAnnotationTreeSize, 110 FomulaSimplifications, 4126 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1659 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1816 ConstructedInterpolants, 0 QuantifiedInterpolants, 540060 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3359 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 750/805 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...