/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:56:19,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 13:56:19,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 13:56:19,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 13:56:19,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 13:56:19,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 13:56:19,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 13:56:19,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 13:56:19,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 13:56:19,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 13:56:19,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 13:56:19,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 13:56:19,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:56:19,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:56:19,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:56:19,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:56:19,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:56:19,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:56:19,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:56:19,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:56:19,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:56:19,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:56:19,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:56:19,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:56:19,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:56:19,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 13:56:19,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 13:56:19,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 13:56:19,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 13:56:19,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:56:19,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:56:19,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:56:19,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:56:19,288 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:56:19,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:56:19,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:56:19,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:56:19,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:56:19,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:56:19,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:56:19,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:56:19,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:56:19,290 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:56:19,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:56:19,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:56:19,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:56:19,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:56:19,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:56:19,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:56:19,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:56:19,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:56:19,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:56:19,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:56:19,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:56:19,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:56:19,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:19,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:56:19,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:56:19,296 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 13:56:19,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:56:19,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:56:19,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:56:19,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:56:19,604 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:56:19,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-21 13:56:19,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db422317/df48fb573ad641cfa86a7697ff849b42/FLAG233d5970c [2020-07-21 13:56:20,282 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:56:20,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-21 13:56:20,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db422317/df48fb573ad641cfa86a7697ff849b42/FLAG233d5970c [2020-07-21 13:56:20,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db422317/df48fb573ad641cfa86a7697ff849b42 [2020-07-21 13:56:20,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:56:20,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:56:20,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:56:20,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:56:20,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:56:20,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:56:20" (1/1) ... [2020-07-21 13:56:20,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10081dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:20, skipping insertion in model container [2020-07-21 13:56:20,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:56:20" (1/1) ... [2020-07-21 13:56:20,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:56:20,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:56:21,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:56:21,069 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:56:21,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:56:21,397 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:56:21,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21 WrapperNode [2020-07-21 13:56:21,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:56:21,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:56:21,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:56:21,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:56:21,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... [2020-07-21 13:56:21,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:56:21,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:56:21,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:56:21,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:56:21,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 13:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:56:22,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:56:22,993 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 13:56:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:56:22 BoogieIcfgContainer [2020-07-21 13:56:23,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:56:23,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:56:23,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:56:23,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:56:23,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:56:20" (1/3) ... [2020-07-21 13:56:23,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a7edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:56:23, skipping insertion in model container [2020-07-21 13:56:23,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:56:21" (2/3) ... [2020-07-21 13:56:23,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a7edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:56:23, skipping insertion in model container [2020-07-21 13:56:23,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:56:22" (3/3) ... [2020-07-21 13:56:23,009 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-07-21 13:56:23,019 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:56:23,028 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:56:23,043 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:56:23,069 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:56:23,069 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:56:23,070 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:56:23,070 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:56:23,070 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:56:23,070 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:56:23,070 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:56:23,070 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:56:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-21 13:56:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-21 13:56:23,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:23,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:56:23,104 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:23,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-07-21 13:56:23,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:23,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461065510] [2020-07-21 13:56:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:23,235 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:23,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:23,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:56:23,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:23,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:23,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461065510] [2020-07-21 13:56:23,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:23,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:23,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477504275] [2020-07-21 13:56:23,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:23,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:23,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:23,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:23,343 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-21 13:56:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:24,648 INFO L93 Difference]: Finished difference Result 704 states and 1239 transitions. [2020-07-21 13:56:24,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:24,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-07-21 13:56:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:24,669 INFO L225 Difference]: With dead ends: 704 [2020-07-21 13:56:24,669 INFO L226 Difference]: Without dead ends: 372 [2020-07-21 13:56:24,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-21 13:56:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-21 13:56:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-21 13:56:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2020-07-21 13:56:24,750 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 49 [2020-07-21 13:56:24,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:24,751 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2020-07-21 13:56:24,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2020-07-21 13:56:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 13:56:24,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:24,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:56:24,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:24,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:24,976 INFO L82 PathProgramCache]: Analyzing trace with hash 783093133, now seen corresponding path program 1 times [2020-07-21 13:56:24,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:24,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853004698] [2020-07-21 13:56:24,978 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:25,089 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:25,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:25,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:25,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:25,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:25,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853004698] [2020-07-21 13:56:25,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:25,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:25,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486270334] [2020-07-21 13:56:25,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:25,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:25,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:25,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:25,142 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 3 states. [2020-07-21 13:56:26,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:26,114 INFO L93 Difference]: Finished difference Result 1102 states and 1568 transitions. [2020-07-21 13:56:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:26,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-21 13:56:26,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:26,125 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 13:56:26,125 INFO L226 Difference]: Without dead ends: 736 [2020-07-21 13:56:26,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-21 13:56:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2020-07-21 13:56:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-21 13:56:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 968 transitions. [2020-07-21 13:56:26,173 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 968 transitions. Word has length 132 [2020-07-21 13:56:26,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:26,174 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 968 transitions. [2020-07-21 13:56:26,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 968 transitions. [2020-07-21 13:56:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 13:56:26,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:26,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:56:26,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:26,395 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:26,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:26,396 INFO L82 PathProgramCache]: Analyzing trace with hash -172169371, now seen corresponding path program 1 times [2020-07-21 13:56:26,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:26,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875012756] [2020-07-21 13:56:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:26,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:26,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:26,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:26,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:26,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:26,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875012756] [2020-07-21 13:56:26,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:26,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:26,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583627783] [2020-07-21 13:56:26,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:26,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:26,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:26,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:26,593 INFO L87 Difference]: Start difference. First operand 736 states and 968 transitions. Second operand 3 states. [2020-07-21 13:56:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:27,570 INFO L93 Difference]: Finished difference Result 1830 states and 2467 transitions. [2020-07-21 13:56:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:27,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-07-21 13:56:27,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:27,585 INFO L225 Difference]: With dead ends: 1830 [2020-07-21 13:56:27,585 INFO L226 Difference]: Without dead ends: 1100 [2020-07-21 13:56:27,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-21 13:56:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-21 13:56:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-21 13:56:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1414 transitions. [2020-07-21 13:56:27,640 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1414 transitions. Word has length 144 [2020-07-21 13:56:27,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:27,642 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1414 transitions. [2020-07-21 13:56:27,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1414 transitions. [2020-07-21 13:56:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 13:56:27,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:27,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:56:27,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:27,861 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:27,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:27,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1340716769, now seen corresponding path program 1 times [2020-07-21 13:56:27,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:27,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485253791] [2020-07-21 13:56:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:27,949 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:27,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:27,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:27,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:27,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:27,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485253791] [2020-07-21 13:56:27,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:27,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:27,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828080153] [2020-07-21 13:56:27,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:27,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:27,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:27,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:27,995 INFO L87 Difference]: Start difference. First operand 1100 states and 1414 transitions. Second operand 3 states. [2020-07-21 13:56:28,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:28,883 INFO L93 Difference]: Finished difference Result 1830 states and 2428 transitions. [2020-07-21 13:56:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:28,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-21 13:56:28,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:28,901 INFO L225 Difference]: With dead ends: 1830 [2020-07-21 13:56:28,901 INFO L226 Difference]: Without dead ends: 1828 [2020-07-21 13:56:28,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:28,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2020-07-21 13:56:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1646. [2020-07-21 13:56:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-07-21 13:56:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2181 transitions. [2020-07-21 13:56:28,962 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2181 transitions. Word has length 158 [2020-07-21 13:56:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:28,963 INFO L479 AbstractCegarLoop]: Abstraction has 1646 states and 2181 transitions. [2020-07-21 13:56:28,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2181 transitions. [2020-07-21 13:56:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 13:56:28,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:28,972 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 13:56:29,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:29,186 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:29,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1826953987, now seen corresponding path program 1 times [2020-07-21 13:56:29,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:29,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122909898] [2020-07-21 13:56:29,187 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:29,309 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:29,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:29,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:29,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:29,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:56:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:56:29,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122909898] [2020-07-21 13:56:29,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:56:29,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:56:29,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907148496] [2020-07-21 13:56:29,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:56:29,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:29,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:56:29,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:56:29,550 INFO L87 Difference]: Start difference. First operand 1646 states and 2181 transitions. Second operand 7 states. [2020-07-21 13:56:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:31,705 INFO L93 Difference]: Finished difference Result 4430 states and 6100 transitions. [2020-07-21 13:56:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 13:56:31,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-07-21 13:56:31,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:31,729 INFO L225 Difference]: With dead ends: 4430 [2020-07-21 13:56:31,729 INFO L226 Difference]: Without dead ends: 2972 [2020-07-21 13:56:31,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 13:56:31,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2020-07-21 13:56:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2766. [2020-07-21 13:56:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2766 states. [2020-07-21 13:56:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3378 transitions. [2020-07-21 13:56:31,836 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3378 transitions. Word has length 212 [2020-07-21 13:56:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:31,837 INFO L479 AbstractCegarLoop]: Abstraction has 2766 states and 3378 transitions. [2020-07-21 13:56:31,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:56:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3378 transitions. [2020-07-21 13:56:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-21 13:56:31,847 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:31,848 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 13:56:32,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:32,063 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:32,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1305787994, now seen corresponding path program 1 times [2020-07-21 13:56:32,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:32,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650711468] [2020-07-21 13:56:32,064 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:32,190 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:32,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:32,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:32,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-21 13:56:32,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:32,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650711468] [2020-07-21 13:56:32,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:32,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:32,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647344639] [2020-07-21 13:56:32,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:32,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:32,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:32,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:32,262 INFO L87 Difference]: Start difference. First operand 2766 states and 3378 transitions. Second operand 3 states. [2020-07-21 13:56:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:33,199 INFO L93 Difference]: Finished difference Result 6080 states and 7622 transitions. [2020-07-21 13:56:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:33,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-07-21 13:56:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:33,223 INFO L225 Difference]: With dead ends: 6080 [2020-07-21 13:56:33,223 INFO L226 Difference]: Without dead ends: 3684 [2020-07-21 13:56:33,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:33,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3684 states. [2020-07-21 13:56:33,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3684 to 3318. [2020-07-21 13:56:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3318 states. [2020-07-21 13:56:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 3318 states and 4161 transitions. [2020-07-21 13:56:33,330 INFO L78 Accepts]: Start accepts. Automaton has 3318 states and 4161 transitions. Word has length 241 [2020-07-21 13:56:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:33,330 INFO L479 AbstractCegarLoop]: Abstraction has 3318 states and 4161 transitions. [2020-07-21 13:56:33,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 4161 transitions. [2020-07-21 13:56:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-07-21 13:56:33,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:33,372 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 13:56:33,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:33,573 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:33,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:33,574 INFO L82 PathProgramCache]: Analyzing trace with hash 767399401, now seen corresponding path program 1 times [2020-07-21 13:56:33,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:33,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820902287] [2020-07-21 13:56:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:33,719 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:33,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:33,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:33,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-21 13:56:33,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:33,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820902287] [2020-07-21 13:56:33,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:33,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:33,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466068100] [2020-07-21 13:56:33,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:33,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:33,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:33,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:33,768 INFO L87 Difference]: Start difference. First operand 3318 states and 4161 transitions. Second operand 3 states. [2020-07-21 13:56:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:34,746 INFO L93 Difference]: Finished difference Result 7184 states and 9179 transitions. [2020-07-21 13:56:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:34,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-07-21 13:56:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:34,766 INFO L225 Difference]: With dead ends: 7184 [2020-07-21 13:56:34,767 INFO L226 Difference]: Without dead ends: 4236 [2020-07-21 13:56:34,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:34,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2020-07-21 13:56:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 3872. [2020-07-21 13:56:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-07-21 13:56:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5011 transitions. [2020-07-21 13:56:34,863 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5011 transitions. Word has length 266 [2020-07-21 13:56:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:34,864 INFO L479 AbstractCegarLoop]: Abstraction has 3872 states and 5011 transitions. [2020-07-21 13:56:34,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5011 transitions. [2020-07-21 13:56:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-07-21 13:56:34,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:34,873 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 13:56:35,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:35,088 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:35,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:35,088 INFO L82 PathProgramCache]: Analyzing trace with hash 99176805, now seen corresponding path program 1 times [2020-07-21 13:56:35,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:35,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67269443] [2020-07-21 13:56:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:35,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:35,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:35,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:35,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-07-21 13:56:35,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:35,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67269443] [2020-07-21 13:56:35,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:35,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:35,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100558555] [2020-07-21 13:56:35,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:35,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:35,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:35,256 INFO L87 Difference]: Start difference. First operand 3872 states and 5011 transitions. Second operand 3 states. [2020-07-21 13:56:36,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:36,057 INFO L93 Difference]: Finished difference Result 3874 states and 5012 transitions. [2020-07-21 13:56:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:36,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-07-21 13:56:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:36,076 INFO L225 Difference]: With dead ends: 3874 [2020-07-21 13:56:36,076 INFO L226 Difference]: Without dead ends: 3872 [2020-07-21 13:56:36,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:36,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2020-07-21 13:56:36,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2020-07-21 13:56:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-07-21 13:56:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5010 transitions. [2020-07-21 13:56:36,159 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5010 transitions. Word has length 280 [2020-07-21 13:56:36,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:36,159 INFO L479 AbstractCegarLoop]: Abstraction has 3872 states and 5010 transitions. [2020-07-21 13:56:36,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5010 transitions. [2020-07-21 13:56:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-21 13:56:36,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:56:36,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 13:56:36,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:36,385 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:56:36,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:56:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash 771497289, now seen corresponding path program 1 times [2020-07-21 13:56:36,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:56:36,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736532918] [2020-07-21 13:56:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:36,542 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:56:36,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:56:36,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:56:36,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:56:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-07-21 13:56:36,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:56:36,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736532918] [2020-07-21 13:56:36,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:56:36,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:56:36,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031426522] [2020-07-21 13:56:36,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:56:36,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:56:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:56:36,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:36,607 INFO L87 Difference]: Start difference. First operand 3872 states and 5010 transitions. Second operand 3 states. [2020-07-21 13:56:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:56:37,405 INFO L93 Difference]: Finished difference Result 4242 states and 5411 transitions. [2020-07-21 13:56:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:56:37,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-07-21 13:56:37,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:56:37,411 INFO L225 Difference]: With dead ends: 4242 [2020-07-21 13:56:37,411 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:56:37,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:56:37,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:56:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:56:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:56:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:56:37,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2020-07-21 13:56:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:56:37,423 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:56:37,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:56:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:56:37,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:56:37,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:56:37,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:56:38,524 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-07-21 13:56:38,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:56:38,653 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a15~0 |old(~a15~0)|) [2020-07-21 13:56:38,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 13:56:38,654 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,655 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-21 13:56:38,656 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 13:56:38,657 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-21 13:56:38,658 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,659 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-21 13:56:38,660 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 13:56:38,661 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 13:56:38,662 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,663 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 13:56:38,664 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a15~0)| 5))) (.cse5 (not (<= 8 |old(~a21~0)|))) (.cse2 (<= (+ ~a12~0 49) 0)) (.cse3 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse7 (not (< |old(~a15~0)| 9))) (.cse1 (not (<= 7 |old(~a15~0)|))) (.cse6 (not (<= |old(~a21~0)| 6))) (.cse0 (<= ~a15~0 |old(~a15~0)|)) (.cse8 (not (<= 8 |old(~a15~0)|)))) (and (or (and (<= 7 ~a15~0) .cse0) .cse1) (or .cse2 .cse3 .cse4) (or .cse1 (<= 9 ~a21~0) (not (<= 9 |old(~a21~0)|))) (or (<= 8 ~a21~0) .cse5) (or .cse4 .cse0) (or .cse6 (<= ~a21~0 6)) (or .cse2 .cse3 .cse7 .cse8) (or (not (<= 10 |old(~a21~0)|)) .cse1 (<= 10 ~a21~0)) (or .cse0 .cse5) (or .cse2 .cse6 .cse3 .cse7 .cse1) (or .cse6 .cse0) (or .cse8 (<= 8 ~a15~0)))) [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-21 13:56:38,665 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-21 13:56:38,666 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 13:56:38,667 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-21 13:56:38,668 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-07-21 13:56:38,669 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 13:56:38,670 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-21 13:56:38,671 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-21 13:56:38,672 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 13:56:38,673 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 13:56:38,674 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,675 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-21 13:56:38,676 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 13:56:38,677 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-21 13:56:38,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:56:38,678 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (< ~a15~0 9) (<= 8 ~a15~0)) [2020-07-21 13:56:38,678 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:56:38,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:56:38,678 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (and (<= (+ ~a12~0 49) 0) (< ~a15~0 9) (<= 8 ~a15~0)) (not (<= 8 |old(~a15~0)|))) [2020-07-21 13:56:38,678 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-21 13:56:38,678 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a21~0 6) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (<= 8 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-21 13:56:38,679 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-21 13:56:38,679 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-21 13:56:38,679 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a21~0 6) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (<= 8 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-21 13:56:38,679 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-21 13:56:38,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:56:38 BoogieIcfgContainer [2020-07-21 13:56:38,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:56:38,701 INFO L168 Benchmark]: Toolchain (without parser) took 18188.48 ms. Allocated memory was 145.2 MB in the beginning and 450.9 MB in the end (delta: 305.7 MB). Free memory was 100.5 MB in the beginning and 212.0 MB in the end (delta: -111.6 MB). Peak memory consumption was 194.1 MB. Max. memory is 7.1 GB. [2020-07-21 13:56:38,702 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 13:56:38,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.93 ms. Allocated memory was 145.2 MB in the beginning and 207.1 MB in the end (delta: 61.9 MB). Free memory was 100.0 MB in the beginning and 169.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-07-21 13:56:38,703 INFO L168 Benchmark]: Boogie Preprocessor took 146.20 ms. Allocated memory is still 207.1 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 13:56:38,704 INFO L168 Benchmark]: RCFGBuilder took 1455.08 ms. Allocated memory was 207.1 MB in the beginning and 239.6 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 158.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-07-21 13:56:38,705 INFO L168 Benchmark]: TraceAbstraction took 15697.86 ms. Allocated memory was 239.6 MB in the beginning and 450.9 MB in the end (delta: 211.3 MB). Free memory was 158.6 MB in the beginning and 212.0 MB in the end (delta: -53.5 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. [2020-07-21 13:56:38,708 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 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.93 ms. Allocated memory was 145.2 MB in the beginning and 207.1 MB in the end (delta: 61.9 MB). Free memory was 100.0 MB in the beginning and 169.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.20 ms. Allocated memory is still 207.1 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1455.08 ms. Allocated memory was 207.1 MB in the beginning and 239.6 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 158.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15697.86 ms. Allocated memory was 239.6 MB in the beginning and 450.9 MB in the end (delta: 211.3 MB). Free memory was 158.6 MB in the beginning and 212.0 MB in the end (delta: -53.5 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 880]: Loop Invariant Derived loop invariant: (((((a21 <= 6 || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(\old(a15) < 9)) || 8 <= a21) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1697 SDtfs, 2062 SDslu, 144 SDs, 0 SdLazy, 5521 SolverSat, 1271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2006 GetRequests, 1987 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3872occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 119 NumberOfFragments, 242 HoareAnnotationTreeSize, 73 FomulaSimplifications, 1381 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 863 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1998 ConstructedInterpolants, 0 QuantifiedInterpolants, 735256 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3246 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1195/1199 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...