/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:09:52,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:09:52,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:09:52,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:09:52,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:09:52,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:09:52,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:09:52,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:09:52,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:09:52,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:09:52,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:09:52,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:09:52,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:09:52,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:09:52,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:09:52,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:09:52,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:09:52,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:09:52,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:09:52,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:09:52,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:09:52,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:09:52,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:09:52,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:09:52,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 14:09:52,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:09:52,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:09:52,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:09:52,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 14:09:52,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:09:52,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:09:52,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:09:52,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:09:52,319 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:09:52,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:09:52,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:09:52,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:09:52,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:09:52,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:09:52,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:09:52,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:09:52,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:09:52,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:09:52,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:09:52,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:09:52,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:09:52,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:09:52,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:09:52,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:09:52,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:09:52,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:09:52,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:09:52,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:09:52,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:09:52,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:09:52,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:52,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:09:52,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:09:52,325 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 -> 4 [2020-07-20 14:09:52,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:09:52,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:09:52,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:09:52,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:09:52,644 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:09:52,644 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-07-20 14:09:52,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481951a3c/d39792ebe7f140f0b262adcd2d63f15d/FLAG1962dfd1c [2020-07-20 14:09:53,251 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:09:53,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2020-07-20 14:09:53,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481951a3c/d39792ebe7f140f0b262adcd2d63f15d/FLAG1962dfd1c [2020-07-20 14:09:53,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481951a3c/d39792ebe7f140f0b262adcd2d63f15d [2020-07-20 14:09:53,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:09:53,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:09:53,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:09:53,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:09:53,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:09:53,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:09:53" (1/1) ... [2020-07-20 14:09:53,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1808696e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:53, skipping insertion in model container [2020-07-20 14:09:53,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:09:53" (1/1) ... [2020-07-20 14:09:53,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:09:53,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:09:54,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:09:54,131 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:09:54,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:09:54,339 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:09:54,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54 WrapperNode [2020-07-20 14:09:54,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:09:54,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:09:54,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:09:54,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:09:54,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... [2020-07-20 14:09:54,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:09:54,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:09:54,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:09:54,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:09:54,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:09:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:09:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:09:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 14:09:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:09:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 14:09:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:09:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:09:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 14:09:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:09:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:09:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:09:55,859 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:09:55,860 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:09:55,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:55 BoogieIcfgContainer [2020-07-20 14:09:55,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:09:55,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:09:55,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:09:55,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:09:55,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:09:53" (1/3) ... [2020-07-20 14:09:55,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d19a1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:55, skipping insertion in model container [2020-07-20 14:09:55,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:09:54" (2/3) ... [2020-07-20 14:09:55,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d19a1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:55, skipping insertion in model container [2020-07-20 14:09:55,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:55" (3/3) ... [2020-07-20 14:09:55,887 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label39.c [2020-07-20 14:09:55,897 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:09:55,908 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:09:55,921 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:09:55,946 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:09:55,946 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:09:55,946 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:09:55,947 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:09:55,947 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:09:55,947 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:09:55,947 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:09:55,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:09:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 14:09:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-20 14:09:55,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:09:55,980 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] [2020-07-20 14:09:55,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:09:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:09:55,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1917412719, now seen corresponding path program 1 times [2020-07-20 14:09:55,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:09:55,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211802973] [2020-07-20 14:09:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:56,116 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:09:56,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:09:56,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:09:56,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:09:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:09:56,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:09:56,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211802973] [2020-07-20 14:09:56,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:09:56,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:09:56,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637267834] [2020-07-20 14:09:56,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:09:56,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:09:56,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:09:56,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:09:56,262 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 14:09:57,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:09:57,261 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 14:09:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:09:57,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-20 14:09:57,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:09:57,280 INFO L225 Difference]: With dead ends: 586 [2020-07-20 14:09:57,280 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 14:09:57,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:09:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 14:09:57,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 14:09:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 14:09:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 14:09:57,371 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 32 [2020-07-20 14:09:57,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:09:57,371 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 14:09:57,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:09:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 14:09:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 14:09:57,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:09:57,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:09:57,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:57,592 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:09:57,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:09:57,593 INFO L82 PathProgramCache]: Analyzing trace with hash 845536850, now seen corresponding path program 1 times [2020-07-20 14:09:57,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:09:57,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635374965] [2020-07-20 14:09:57,593 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:57,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:09:57,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:09:57,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:09:57,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:09:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:09:57,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:09:57,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635374965] [2020-07-20 14:09:57,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:09:57,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:09:57,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686173143] [2020-07-20 14:09:57,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:09:57,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:09:57,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:09:57,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:09:57,749 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 14:09:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:09:58,481 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-20 14:09:58,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:09:58,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-20 14:09:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:09:58,494 INFO L225 Difference]: With dead ends: 868 [2020-07-20 14:09:58,496 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 14:09:58,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:09:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 14:09:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-20 14:09:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 14:09:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-20 14:09:58,564 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 102 [2020-07-20 14:09:58,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:09:58,567 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-20 14:09:58,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:09:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-20 14:09:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 14:09:58,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:09:58,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:09:58,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:58,781 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:09:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:09:58,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1094831721, now seen corresponding path program 1 times [2020-07-20 14:09:58,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:09:58,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357759927] [2020-07-20 14:09:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:09:58,881 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:09:58,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:09:58,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:09:58,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:09:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:09:58,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:09:58,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357759927] [2020-07-20 14:09:58,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:09:58,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:09:58,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988693992] [2020-07-20 14:09:58,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:09:58,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:09:58,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:09:58,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:09:58,926 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 5 states. [2020-07-20 14:09:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:09:59,881 INFO L93 Difference]: Finished difference Result 1470 states and 2115 transitions. [2020-07-20 14:09:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:09:59,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-20 14:09:59,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:09:59,889 INFO L225 Difference]: With dead ends: 1470 [2020-07-20 14:09:59,889 INFO L226 Difference]: Without dead ends: 896 [2020-07-20 14:09:59,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:09:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-20 14:09:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 886. [2020-07-20 14:09:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-07-20 14:09:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1170 transitions. [2020-07-20 14:09:59,925 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1170 transitions. Word has length 113 [2020-07-20 14:09:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:09:59,926 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1170 transitions. [2020-07-20 14:09:59,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:09:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1170 transitions. [2020-07-20 14:09:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 14:09:59,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:09:59,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:10:00,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:00,135 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:00,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:00,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1525370507, now seen corresponding path program 1 times [2020-07-20 14:10:00,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:00,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576772015] [2020-07-20 14:10:00,138 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:00,230 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:00,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:00,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:10:00,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:10:00,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:10:00,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576772015] [2020-07-20 14:10:00,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:10:00,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:10:00,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560518884] [2020-07-20 14:10:00,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:10:00,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:00,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:10:00,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:10:00,354 INFO L87 Difference]: Start difference. First operand 886 states and 1170 transitions. Second operand 5 states. [2020-07-20 14:10:01,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:01,305 INFO L93 Difference]: Finished difference Result 2233 states and 3103 transitions. [2020-07-20 14:10:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:10:01,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-07-20 14:10:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:01,316 INFO L225 Difference]: With dead ends: 2233 [2020-07-20 14:10:01,317 INFO L226 Difference]: Without dead ends: 1353 [2020-07-20 14:10:01,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:10:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-20 14:10:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1327. [2020-07-20 14:10:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1327 states. [2020-07-20 14:10:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1744 transitions. [2020-07-20 14:10:01,378 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1744 transitions. Word has length 123 [2020-07-20 14:10:01,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:01,379 INFO L479 AbstractCegarLoop]: Abstraction has 1327 states and 1744 transitions. [2020-07-20 14:10:01,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:10:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1744 transitions. [2020-07-20 14:10:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-20 14:10:01,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:01,385 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:10:01,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:01,599 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:01,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:01,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1593789539, now seen corresponding path program 1 times [2020-07-20 14:10:01,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:01,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534548964] [2020-07-20 14:10:01,600 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:01,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:01,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:01,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:01,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:10:01,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:10:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:10:02,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534548964] [2020-07-20 14:10:02,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:10:02,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:10:02,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311455811] [2020-07-20 14:10:02,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:10:02,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:02,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:10:02,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:10:02,022 INFO L87 Difference]: Start difference. First operand 1327 states and 1744 transitions. Second operand 7 states. [2020-07-20 14:10:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:03,349 INFO L93 Difference]: Finished difference Result 3246 states and 4284 transitions. [2020-07-20 14:10:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 14:10:03,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-07-20 14:10:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:03,365 INFO L225 Difference]: With dead ends: 3246 [2020-07-20 14:10:03,365 INFO L226 Difference]: Without dead ends: 1925 [2020-07-20 14:10:03,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-20 14:10:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-07-20 14:10:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1921. [2020-07-20 14:10:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1921 states. [2020-07-20 14:10:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2361 transitions. [2020-07-20 14:10:03,426 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2361 transitions. Word has length 184 [2020-07-20 14:10:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:03,427 INFO L479 AbstractCegarLoop]: Abstraction has 1921 states and 2361 transitions. [2020-07-20 14:10:03,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:10:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2361 transitions. [2020-07-20 14:10:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-20 14:10:03,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:03,431 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 14:10:03,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:03,643 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:03,644 INFO L82 PathProgramCache]: Analyzing trace with hash 383631829, now seen corresponding path program 1 times [2020-07-20 14:10:03,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:03,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433796249] [2020-07-20 14:10:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:03,799 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:03,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:03,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:03,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 14:10:03,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:10:03,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433796249] [2020-07-20 14:10:03,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:10:03,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:10:03,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027539149] [2020-07-20 14:10:03,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:10:03,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:03,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:10:03,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:03,917 INFO L87 Difference]: Start difference. First operand 1921 states and 2361 transitions. Second operand 3 states. [2020-07-20 14:10:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:04,504 INFO L93 Difference]: Finished difference Result 3230 states and 3986 transitions. [2020-07-20 14:10:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:10:04,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-07-20 14:10:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:04,522 INFO L225 Difference]: With dead ends: 3230 [2020-07-20 14:10:04,523 INFO L226 Difference]: Without dead ends: 3228 [2020-07-20 14:10:04,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:04,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2020-07-20 14:10:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2219. [2020-07-20 14:10:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2219 states. [2020-07-20 14:10:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2724 transitions. [2020-07-20 14:10:04,600 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 2724 transitions. Word has length 188 [2020-07-20 14:10:04,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:04,601 INFO L479 AbstractCegarLoop]: Abstraction has 2219 states and 2724 transitions. [2020-07-20 14:10:04,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:10:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2724 transitions. [2020-07-20 14:10:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-20 14:10:04,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:04,606 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:10:04,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:04,821 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:04,821 INFO L82 PathProgramCache]: Analyzing trace with hash -427970360, now seen corresponding path program 1 times [2020-07-20 14:10:04,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:04,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254028526] [2020-07-20 14:10:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:04,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:04,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:04,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:04,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 14:10:05,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:10:05,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254028526] [2020-07-20 14:10:05,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:10:05,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:10:05,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131332876] [2020-07-20 14:10:05,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:10:05,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:05,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:10:05,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:05,011 INFO L87 Difference]: Start difference. First operand 2219 states and 2724 transitions. Second operand 3 states. [2020-07-20 14:10:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:05,612 INFO L93 Difference]: Finished difference Result 4432 states and 5449 transitions. [2020-07-20 14:10:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:10:05,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-07-20 14:10:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:05,623 INFO L225 Difference]: With dead ends: 4432 [2020-07-20 14:10:05,624 INFO L226 Difference]: Without dead ends: 2219 [2020-07-20 14:10:05,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:05,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2020-07-20 14:10:05,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2074. [2020-07-20 14:10:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-07-20 14:10:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2492 transitions. [2020-07-20 14:10:05,681 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2492 transitions. Word has length 201 [2020-07-20 14:10:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:05,682 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 2492 transitions. [2020-07-20 14:10:05,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:10:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2492 transitions. [2020-07-20 14:10:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-07-20 14:10:05,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:05,691 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 14:10:05,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:05,905 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:05,906 INFO L82 PathProgramCache]: Analyzing trace with hash -2117945153, now seen corresponding path program 1 times [2020-07-20 14:10:05,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:05,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067417310] [2020-07-20 14:10:05,907 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 14:10:06,041 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:06,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:06,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:06,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 270 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-20 14:10:06,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:10:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 149 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-20 14:10:06,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067417310] [2020-07-20 14:10:06,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:10:06,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 14:10:06,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941097566] [2020-07-20 14:10:06,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:10:06,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:06,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:10:06,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:10:06,332 INFO L87 Difference]: Start difference. First operand 2074 states and 2492 transitions. Second operand 6 states. [2020-07-20 14:10:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:07,472 INFO L93 Difference]: Finished difference Result 5346 states and 6558 transitions. [2020-07-20 14:10:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:10:07,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2020-07-20 14:10:07,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:07,483 INFO L225 Difference]: With dead ends: 5346 [2020-07-20 14:10:07,483 INFO L226 Difference]: Without dead ends: 2110 [2020-07-20 14:10:07,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 614 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:10:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2110 states. [2020-07-20 14:10:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2110 to 1192. [2020-07-20 14:10:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-07-20 14:10:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1349 transitions. [2020-07-20 14:10:07,535 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1349 transitions. Word has length 309 [2020-07-20 14:10:07,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:07,536 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1349 transitions. [2020-07-20 14:10:07,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:10:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1349 transitions. [2020-07-20 14:10:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-07-20 14:10:07,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:07,546 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:10:07,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:07,761 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1854217801, now seen corresponding path program 1 times [2020-07-20 14:10:07,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:07,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449892028] [2020-07-20 14:10:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 14:10:07,911 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:07,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:07,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:07,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:08,025 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-20 14:10:08,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:10:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-20 14:10:08,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449892028] [2020-07-20 14:10:08,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:10:08,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:10:08,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928051413] [2020-07-20 14:10:08,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:10:08,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:08,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:10:08,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:10:08,224 INFO L87 Difference]: Start difference. First operand 1192 states and 1349 transitions. Second operand 7 states. [2020-07-20 14:10:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:09,760 INFO L93 Difference]: Finished difference Result 3852 states and 4550 transitions. [2020-07-20 14:10:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 14:10:09,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 345 [2020-07-20 14:10:09,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:09,772 INFO L225 Difference]: With dead ends: 3852 [2020-07-20 14:10:09,772 INFO L226 Difference]: Without dead ends: 2666 [2020-07-20 14:10:09,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 687 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-07-20 14:10:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2020-07-20 14:10:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2646. [2020-07-20 14:10:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2020-07-20 14:10:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3035 transitions. [2020-07-20 14:10:09,836 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3035 transitions. Word has length 345 [2020-07-20 14:10:09,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:09,837 INFO L479 AbstractCegarLoop]: Abstraction has 2646 states and 3035 transitions. [2020-07-20 14:10:09,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:10:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3035 transitions. [2020-07-20 14:10:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-07-20 14:10:09,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:10:09,849 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:10:10,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:10,064 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:10:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:10:10,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1233061169, now seen corresponding path program 1 times [2020-07-20 14:10:10,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:10:10,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107124441] [2020-07-20 14:10:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:10,255 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:10:10,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:10:10,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:10:10,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:10:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-07-20 14:10:10,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:10:10,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107124441] [2020-07-20 14:10:10,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:10:10,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:10:10,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480376736] [2020-07-20 14:10:10,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:10:10,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:10:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:10:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:10,394 INFO L87 Difference]: Start difference. First operand 2646 states and 3035 transitions. Second operand 3 states. [2020-07-20 14:10:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:10:10,896 INFO L93 Difference]: Finished difference Result 2646 states and 3035 transitions. [2020-07-20 14:10:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:10:10,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 397 [2020-07-20 14:10:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:10:10,898 INFO L225 Difference]: With dead ends: 2646 [2020-07-20 14:10:10,898 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:10:10,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:10:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:10:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:10:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:10:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:10:10,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2020-07-20 14:10:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:10:10,905 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:10:10,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:10:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:10:10,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:10:11,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:10:11,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:10:11,582 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2020-07-20 14:10:11,736 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2020-07-20 14:10:12,412 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 48 [2020-07-20 14:10:12,888 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2020-07-20 14:10:13,315 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2020-07-20 14:10:13,319 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:10:13,319 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,320 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 14:10:13,321 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 14:10:13,322 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 14:10:13,323 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-20 14:10:13,324 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 14:10:13,325 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,326 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 14:10:13,327 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,328 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 14:10:13,329 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,330 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 14:10:13,331 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,332 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 14:10:13,333 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 14:10:13,334 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a1~0)| ~a1~0)) (.cse6 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse2 .cse6)) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 6)) .cse0) (or .cse1 .cse2 .cse3 .cse4) (or (not (<= 23 |old(~a1~0)|)) .cse3 .cse0) (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) .cse5 .cse2 .cse6) .cse4) (or (and .cse5 .cse2 .cse6 (<= 2 ~a10~0)) .cse3 (not (<= 2 |old(~a10~0)|))) (or .cse1 (and .cse5 .cse6) .cse3 .cse4) (or .cse1 (<= 1 ~a10~0) .cse4)))) [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,335 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 14:10:13,336 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,337 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 14:10:13,338 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,339 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 14:10:13,340 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 14:10:13,341 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 14:10:13,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:10:13,342 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0) (<= 23 ~a1~0)) [2020-07-20 14:10:13,342 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:10:13,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:10:13,342 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-07-20 14:10:13,342 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 14:10:13,342 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1))) [2020-07-20 14:10:13,343 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 14:10:13,343 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 14:10:13,343 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1))) [2020-07-20 14:10:13,343 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 14:10:13,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:10:13 BoogieIcfgContainer [2020-07-20 14:10:13,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:10:13,364 INFO L168 Benchmark]: Toolchain (without parser) took 19778.70 ms. Allocated memory was 139.5 MB in the beginning and 498.6 MB in the end (delta: 359.1 MB). Free memory was 101.0 MB in the beginning and 336.8 MB in the end (delta: -235.9 MB). Peak memory consumption was 373.1 MB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,364 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.48 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,366 INFO L168 Benchmark]: Boogie Preprocessor took 101.15 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 165.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,367 INFO L168 Benchmark]: RCFGBuilder took 1429.30 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 180.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,368 INFO L168 Benchmark]: TraceAbstraction took 17488.45 ms. Allocated memory was 238.0 MB in the beginning and 498.6 MB in the end (delta: 260.6 MB). Free memory was 179.5 MB in the beginning and 336.8 MB in the end (delta: -157.4 MB). Peak memory consumption was 353.0 MB. Max. memory is 7.1 GB. [2020-07-20 14:10:13,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.48 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 170.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.15 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 165.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1429.30 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 180.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17488.45 ms. Allocated memory was 238.0 MB in the beginning and 498.6 MB in the end (delta: 260.6 MB). Free memory was 179.5 MB in the beginning and 336.8 MB in the end (delta: -157.4 MB). Peak memory consumption was 353.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((!(23 <= \old(a1)) || (a19 <= 9 && 23 <= a1)) || (1 <= a10 && a10 <= 2)) || a19 <= 6) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a19) <= 9)) || (a19 <= 9 && 2 <= a10)) || (9 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 790 SDtfs, 2794 SDslu, 270 SDs, 0 SdLazy, 5837 SolverSat, 1157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2847 GetRequests, 2802 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2646occurred in iteration=9, 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, 10 MinimizatonAttempts, 2132 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 91 PreInvPairs, 143 NumberOfFragments, 277 HoareAnnotationTreeSize, 91 FomulaSimplifications, 9724 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6102 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1994 NumberOfCodeBlocks, 1994 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2819 ConstructedInterpolants, 0 QuantifiedInterpolants, 1488631 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3657 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 2154/2236 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...