/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:30:30,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:30:30,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:30:30,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:30:30,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:30:30,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:30:30,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:30:30,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:30:30,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:30:30,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:30:30,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:30:30,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:30:30,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:30:30,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:30:30,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:30:30,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:30:30,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:30:30,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:30:30,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:30:30,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:30:30,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:30:30,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:30:30,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:30:30,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:30:30,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:30:30,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:30:30,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:30:30,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:30:30,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:30:30,472 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:30:30,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:30:30,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:30:30,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:30:30,474 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:30:30,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:30:30,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:30:30,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:30:30,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:30:30,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:30:30,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:30:30,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:30:30,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:30:30,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:30:30,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:30:30,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:30:30,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:30:30,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:30:30,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:30:30,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:30:30,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:30:30,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:30,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:30:30,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:30:30,484 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 -> 4 [2020-07-20 17:30:30,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:30:30,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:30:30,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:30:30,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:30:30,907 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:30:30,908 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 17:30:30,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838f4638f/324a9516d541464f977d70749480565b/FLAGed6bb7e19 [2020-07-20 17:30:31,563 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:30:31,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 17:30:31,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838f4638f/324a9516d541464f977d70749480565b/FLAGed6bb7e19 [2020-07-20 17:30:31,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838f4638f/324a9516d541464f977d70749480565b [2020-07-20 17:30:31,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:30:31,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:30:31,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:30:31,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:30:31,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:30:31,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:31" (1/1) ... [2020-07-20 17:30:31,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b46a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:31, skipping insertion in model container [2020-07-20 17:30:31,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:31" (1/1) ... [2020-07-20 17:30:31,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:30:31,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:30:32,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:30:32,301 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:30:32,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:30:32,566 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:30:32,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32 WrapperNode [2020-07-20 17:30:32,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:30:32,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:30:32,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:30:32,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:30:32,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... [2020-07-20 17:30:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:30:32,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:30:32,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:30:32,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:30:32,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:30:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:30:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:30:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:30:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:30:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:30:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:30:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:30:34,248 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:30:34,248 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:30:34,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:34 BoogieIcfgContainer [2020-07-20 17:30:34,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:30:34,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:30:34,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:30:34,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:30:34,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:30:31" (1/3) ... [2020-07-20 17:30:34,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f37f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:34, skipping insertion in model container [2020-07-20 17:30:34,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:32" (2/3) ... [2020-07-20 17:30:34,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f37f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:34, skipping insertion in model container [2020-07-20 17:30:34,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:34" (3/3) ... [2020-07-20 17:30:34,266 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-20 17:30:34,280 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:30:34,290 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:30:34,307 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:30:34,335 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:30:34,335 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:30:34,335 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:30:34,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:30:34,336 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:30:34,336 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:30:34,336 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:30:34,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:30:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 17:30:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-20 17:30:34,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:34,376 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] [2020-07-20 17:30:34,376 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:34,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-20 17:30:34,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:34,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018648817] [2020-07-20 17:30:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:34,508 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:34,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:34,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:30:34,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:34,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:34,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018648817] [2020-07-20 17:30:34,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:34,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:34,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325804188] [2020-07-20 17:30:34,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:34,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:34,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:34,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:34,623 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 17:30:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:35,729 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 17:30:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:35,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-20 17:30:35,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:35,749 INFO L225 Difference]: With dead ends: 586 [2020-07-20 17:30:35,749 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 17:30:35,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 17:30:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 17:30:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 17:30:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 17:30:35,833 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 41 [2020-07-20 17:30:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:35,833 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 17:30:35,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 17:30:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 17:30:35,839 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:35,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:30:36,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:36,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:36,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:36,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-07-20 17:30:36,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:36,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478375516] [2020-07-20 17:30:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:36,172 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:36,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:36,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:36,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:36,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:36,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478375516] [2020-07-20 17:30:36,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:36,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:36,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426470176] [2020-07-20 17:30:36,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:36,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:36,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:36,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:36,216 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 17:30:36,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:36,955 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-20 17:30:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:36,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 17:30:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:36,969 INFO L225 Difference]: With dead ends: 868 [2020-07-20 17:30:36,969 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 17:30:36,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 17:30:37,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-20 17:30:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 17:30:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-20 17:30:37,023 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 111 [2020-07-20 17:30:37,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:37,024 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-20 17:30:37,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-20 17:30:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 17:30:37,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:37,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:30:37,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:37,241 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:37,242 INFO L82 PathProgramCache]: Analyzing trace with hash 884590309, now seen corresponding path program 1 times [2020-07-20 17:30:37,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:37,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348338342] [2020-07-20 17:30:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:37,343 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:37,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:37,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:37,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:37,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:37,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348338342] [2020-07-20 17:30:37,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:37,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:37,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763502486] [2020-07-20 17:30:37,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:37,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:37,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:37,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:37,410 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 3 states. [2020-07-20 17:30:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:38,211 INFO L93 Difference]: Finished difference Result 1440 states and 2058 transitions. [2020-07-20 17:30:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:38,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-20 17:30:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:38,219 INFO L225 Difference]: With dead ends: 1440 [2020-07-20 17:30:38,219 INFO L226 Difference]: Without dead ends: 866 [2020-07-20 17:30:38,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-20 17:30:38,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 580. [2020-07-20 17:30:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 17:30:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 791 transitions. [2020-07-20 17:30:38,247 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 791 transitions. Word has length 122 [2020-07-20 17:30:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:38,248 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 791 transitions. [2020-07-20 17:30:38,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 791 transitions. [2020-07-20 17:30:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 17:30:38,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:38,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:30:38,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:38,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-20 17:30:38,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:38,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373974787] [2020-07-20 17:30:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:38,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:38,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:38,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:38,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:38,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:30:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:38,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373974787] [2020-07-20 17:30:38,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:30:38,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:30:38,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364386063] [2020-07-20 17:30:38,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:30:38,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:38,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:30:38,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:30:38,927 INFO L87 Difference]: Start difference. First operand 580 states and 791 transitions. Second operand 7 states. [2020-07-20 17:30:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:40,293 INFO L93 Difference]: Finished difference Result 1462 states and 1977 transitions. [2020-07-20 17:30:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 17:30:40,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-20 17:30:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:40,300 INFO L225 Difference]: With dead ends: 1462 [2020-07-20 17:30:40,300 INFO L226 Difference]: Without dead ends: 888 [2020-07-20 17:30:40,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-20 17:30:40,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-20 17:30:40,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 882. [2020-07-20 17:30:40,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-07-20 17:30:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1096 transitions. [2020-07-20 17:30:40,332 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1096 transitions. Word has length 193 [2020-07-20 17:30:40,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:40,333 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1096 transitions. [2020-07-20 17:30:40,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:30:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2020-07-20 17:30:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 17:30:40,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:40,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:30:40,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:40,546 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:40,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-20 17:30:40,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:40,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127701028] [2020-07-20 17:30:40,548 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:40,840 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:40,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:40,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:40,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 17:30:40,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:40,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127701028] [2020-07-20 17:30:40,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:40,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:40,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784013533] [2020-07-20 17:30:40,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:40,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:40,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:40,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:40,887 INFO L87 Difference]: Start difference. First operand 882 states and 1096 transitions. Second operand 3 states. [2020-07-20 17:30:41,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:41,676 INFO L93 Difference]: Finished difference Result 2622 states and 3289 transitions. [2020-07-20 17:30:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:41,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-20 17:30:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:41,686 INFO L225 Difference]: With dead ends: 2622 [2020-07-20 17:30:41,687 INFO L226 Difference]: Without dead ends: 880 [2020-07-20 17:30:41,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:41,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-20 17:30:41,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2020-07-20 17:30:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-07-20 17:30:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1080 transitions. [2020-07-20 17:30:41,790 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1080 transitions. Word has length 210 [2020-07-20 17:30:41,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:41,791 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1080 transitions. [2020-07-20 17:30:41,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1080 transitions. [2020-07-20 17:30:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-20 17:30:41,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:41,796 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:30:41,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:42,000 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:42,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:42,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1943514195, now seen corresponding path program 1 times [2020-07-20 17:30:42,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:42,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912393318] [2020-07-20 17:30:42,001 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:42,110 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:42,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:42,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:42,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:42,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:30:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:30:42,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912393318] [2020-07-20 17:30:42,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:30:42,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 17:30:42,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179104745] [2020-07-20 17:30:42,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 17:30:42,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:42,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 17:30:42,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:30:42,339 INFO L87 Difference]: Start difference. First operand 880 states and 1080 transitions. Second operand 8 states. [2020-07-20 17:30:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:43,993 INFO L93 Difference]: Finished difference Result 2823 states and 3645 transitions. [2020-07-20 17:30:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 17:30:43,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-07-20 17:30:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:44,008 INFO L225 Difference]: With dead ends: 2823 [2020-07-20 17:30:44,009 INFO L226 Difference]: Without dead ends: 1349 [2020-07-20 17:30:44,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-20 17:30:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-20 17:30:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1323. [2020-07-20 17:30:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-20 17:30:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1595 transitions. [2020-07-20 17:30:44,083 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1595 transitions. Word has length 214 [2020-07-20 17:30:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:44,083 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1595 transitions. [2020-07-20 17:30:44,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 17:30:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1595 transitions. [2020-07-20 17:30:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-20 17:30:44,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:30:44,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:30:44,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:44,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:30:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:30:44,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-20 17:30:44,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:30:44,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760608825] [2020-07-20 17:30:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:30:44,466 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:30:44,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:30:44,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:30:44,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:30:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-20 17:30:44,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:30:44,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760608825] [2020-07-20 17:30:44,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:30:44,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:30:44,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25390291] [2020-07-20 17:30:44,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:30:44,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:30:44,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:30:44,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:44,574 INFO L87 Difference]: Start difference. First operand 1323 states and 1595 transitions. Second operand 3 states. [2020-07-20 17:30:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:30:44,903 INFO L93 Difference]: Finished difference Result 1323 states and 1595 transitions. [2020-07-20 17:30:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:30:44,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-20 17:30:44,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:30:44,905 INFO L225 Difference]: With dead ends: 1323 [2020-07-20 17:30:44,905 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:30:44,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:30:44,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:30:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:30:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:30:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:30:44,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-20 17:30:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:30:44,911 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:30:44,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:30:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:30:44,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:30:45,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:30:45,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:30:45,813 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-07-20 17:30:45,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,968 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 17:30:45,969 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 17:30:45,970 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 17:30:45,970 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 17:30:45,970 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 17:30:45,970 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,971 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 17:30:45,972 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 17:30:45,973 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,974 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 17:30:45,975 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,976 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 17:30:45,977 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 17:30:45,978 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,979 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 17:30:45,980 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,981 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 17:30:45,982 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,983 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 17:30:45,984 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 17:30:45,985 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 17:30:45,986 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 17:30:45,987 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 17:30:45,988 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 17:30:45,988 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (<= 9 ~a19~0)) (.cse2 (<= 2 ~a10~0)) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (not (<= 23 |old(~a1~0)|))) (.cse7 (and .cse0 .cse1)) (.cse6 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 7)) (and .cse0 (<= ~a19~0 7))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 8)) .cse3) (or .cse4 (and .cse5 .cse0 .cse1) .cse6) (or (not (<= |old(~a10~0)| 0)) .cse7) (or (and .cse5 .cse0 .cse2 (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) .cse4 .cse3) (or .cse8 (<= 23 ~a1~0) .cse6) (or .cse8 .cse7 .cse6)))) [2020-07-20 17:30:45,988 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 17:30:45,988 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 17:30:45,988 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 17:30:45,988 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 17:30:45,989 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 17:30:45,990 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,991 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 17:30:45,992 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,993 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 17:30:45,994 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 17:30:45,995 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 17:30:45,995 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 17:30:45,995 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 17:30:45,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:30:45,995 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= 23 ~a1~0) (< ~a19~0 10)) [2020-07-20 17:30:45,995 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:30:45,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:30:45,996 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= 23 ~a1~0) (< ~a19~0 10))) [2020-07-20 17:30:45,996 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 17:30:45,996 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 17:30:45,996 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 17:30:45,996 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 17:30:45,996 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 17:30:45,997 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 17:30:46,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:30:46 BoogieIcfgContainer [2020-07-20 17:30:46,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:30:46,019 INFO L168 Benchmark]: Toolchain (without parser) took 14214.21 ms. Allocated memory was 143.7 MB in the beginning and 380.1 MB in the end (delta: 236.5 MB). Free memory was 99.4 MB in the beginning and 127.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 208.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,020 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.37 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,022 INFO L168 Benchmark]: Boogie Preprocessor took 122.48 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,022 INFO L168 Benchmark]: RCFGBuilder took 1565.80 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.3 MB in the beginning and 179.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,023 INFO L168 Benchmark]: TraceAbstraction took 11759.41 ms. Allocated memory was 232.3 MB in the beginning and 380.1 MB in the end (delta: 147.8 MB). Free memory was 179.2 MB in the beginning and 127.5 MB in the end (delta: 51.7 MB). Peak memory consumption was 199.6 MB. Max. memory is 7.1 GB. [2020-07-20 17:30:46,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.37 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.48 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1565.80 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.3 MB in the beginning and 179.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11759.41 ms. Allocated memory was 232.3 MB in the beginning and 380.1 MB in the end (delta: 147.8 MB). Free memory was 179.2 MB in the beginning and 127.5 MB in the end (delta: 51.7 MB). Peak memory consumption was 199.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (2 <= a10 && a19 < 10)) || (a10 <= 2 && 23 <= a1)) || (9 <= a19 && a10 <= 2)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 635 SDtfs, 1815 SDslu, 148 SDs, 0 SdLazy, 3827 SolverSat, 746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 318 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 256 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1194 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 631595 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2200 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 925/933 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...