/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:12:30,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:12:30,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:12:30,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 20:12:30,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:12:30,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:12:30,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:12:30,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:12:30,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:12:30,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:12:30,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:12:30,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:12:30,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:12:30,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:12:30,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:12:30,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:12:30,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:12:30,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:12:30,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:12:30,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:12:30,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:12:30,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:12:30,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:12:30,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:12:30,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:12:30,887 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:12:30,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:12:30,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:12:30,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:12:30,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:12:30,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:12:30,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:12:30,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:12:30,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:12:30,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:12:30,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:12:30,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:12:30,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:12:30,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:12:30,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:12:30,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:12:30,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:12:30,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:30,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:12:30,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:12:30,892 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 -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:12:31,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:12:31,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:12:31,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:12:31,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:12:31,235 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:12:31,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-21 20:12:31,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a98c847/c7f34df7bbd14c1ca36fef4937201c2d/FLAG4de14e366 [2020-07-21 20:12:31,849 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:12:31,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-21 20:12:31,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a98c847/c7f34df7bbd14c1ca36fef4937201c2d/FLAG4de14e366 [2020-07-21 20:12:32,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a98c847/c7f34df7bbd14c1ca36fef4937201c2d [2020-07-21 20:12:32,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:12:32,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:12:32,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:12:32,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:12:32,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:12:32,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:12:32" (1/1) ... [2020-07-21 20:12:32,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c729ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:32, skipping insertion in model container [2020-07-21 20:12:32,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:12:32" (1/1) ... [2020-07-21 20:12:32,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:12:32,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:12:32,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:12:32,786 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:12:32,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:12:33,002 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:12:33,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33 WrapperNode [2020-07-21 20:12:33,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:12:33,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:12:33,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:12:33,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:12:33,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... [2020-07-21 20:12:33,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:12:33,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:12:33,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:12:33,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:12:33,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:12:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:12:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:12:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:12:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:12:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:12:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:12:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:12:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:12:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:12:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:12:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:12:34,459 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:12:34,459 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:12:34,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:12:34 BoogieIcfgContainer [2020-07-21 20:12:34,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:12:34,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:12:34,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:12:34,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:12:34,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:12:32" (1/3) ... [2020-07-21 20:12:34,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170beedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:12:34, skipping insertion in model container [2020-07-21 20:12:34,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:12:33" (2/3) ... [2020-07-21 20:12:34,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170beedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:12:34, skipping insertion in model container [2020-07-21 20:12:34,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:12:34" (3/3) ... [2020-07-21 20:12:34,482 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-21 20:12:34,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:12:34,506 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:12:34,518 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:12:34,544 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:12:34,545 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:12:34,545 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:12:34,545 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:12:34,545 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:12:34,546 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:12:34,546 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:12:34,546 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:12:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 20:12:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-21 20:12:34,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:34,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:34,580 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-21 20:12:34,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:34,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748754361] [2020-07-21 20:12:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:34,712 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:34,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:34,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:12:34,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:34,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:12:34,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748754361] [2020-07-21 20:12:34,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:12:34,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:12:34,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949109628] [2020-07-21 20:12:34,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:12:34,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:34,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:12:34,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:34,818 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 20:12:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:35,935 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-21 20:12:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:12:35,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-21 20:12:35,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:35,964 INFO L225 Difference]: With dead ends: 586 [2020-07-21 20:12:35,964 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 20:12:35,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:35,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 20:12:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 20:12:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 20:12:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-21 20:12:36,055 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 41 [2020-07-21 20:12:36,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:36,056 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-21 20:12:36,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:12:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-21 20:12:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 20:12:36,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:36,062 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:36,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:36,277 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:36,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:36,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-07-21 20:12:36,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:36,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862802424] [2020-07-21 20:12:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:36,402 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:36,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:36,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:36,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:36,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:12:36,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862802424] [2020-07-21 20:12:36,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:12:36,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:12:36,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664440137] [2020-07-21 20:12:36,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:12:36,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:36,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:12:36,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:36,475 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-21 20:12:37,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:37,165 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-21 20:12:37,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:12:37,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-21 20:12:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:37,171 INFO L225 Difference]: With dead ends: 868 [2020-07-21 20:12:37,171 INFO L226 Difference]: Without dead ends: 580 [2020-07-21 20:12:37,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-21 20:12:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-21 20:12:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 20:12:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-21 20:12:37,212 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 111 [2020-07-21 20:12:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:37,213 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-21 20:12:37,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:12:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-21 20:12:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 20:12:37,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:37,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:37,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:37,433 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:37,434 INFO L82 PathProgramCache]: Analyzing trace with hash 884590309, now seen corresponding path program 1 times [2020-07-21 20:12:37,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:37,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597140974] [2020-07-21 20:12:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:37,516 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:37,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:37,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:37,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:37,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:12:37,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597140974] [2020-07-21 20:12:37,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:12:37,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:12:37,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632684091] [2020-07-21 20:12:37,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:12:37,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:37,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:12:37,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:37,565 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 3 states. [2020-07-21 20:12:38,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:38,275 INFO L93 Difference]: Finished difference Result 1440 states and 2058 transitions. [2020-07-21 20:12:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:12:38,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-21 20:12:38,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:38,288 INFO L225 Difference]: With dead ends: 1440 [2020-07-21 20:12:38,290 INFO L226 Difference]: Without dead ends: 866 [2020-07-21 20:12:38,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-21 20:12:38,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 580. [2020-07-21 20:12:38,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 20:12:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 791 transitions. [2020-07-21 20:12:38,343 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 791 transitions. Word has length 122 [2020-07-21 20:12:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:38,345 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 791 transitions. [2020-07-21 20:12:38,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:12:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 791 transitions. [2020-07-21 20:12:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 20:12:38,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:38,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:38,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:38,561 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:38,562 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-21 20:12:38,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:38,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601973231] [2020-07-21 20:12:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:38,678 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:38,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:38,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:38,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:38,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:12:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:38,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601973231] [2020-07-21 20:12:38,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:12:38,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:12:38,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455653071] [2020-07-21 20:12:38,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:12:38,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:38,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:12:38,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:12:38,926 INFO L87 Difference]: Start difference. First operand 580 states and 791 transitions. Second operand 7 states. [2020-07-21 20:12:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:40,266 INFO L93 Difference]: Finished difference Result 1462 states and 1977 transitions. [2020-07-21 20:12:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 20:12:40,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-21 20:12:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:40,273 INFO L225 Difference]: With dead ends: 1462 [2020-07-21 20:12:40,273 INFO L226 Difference]: Without dead ends: 888 [2020-07-21 20:12:40,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 20:12:40,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-21 20:12:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 882. [2020-07-21 20:12:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-07-21 20:12:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1096 transitions. [2020-07-21 20:12:40,305 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1096 transitions. Word has length 193 [2020-07-21 20:12:40,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:40,306 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1096 transitions. [2020-07-21 20:12:40,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:12:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2020-07-21 20:12:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-21 20:12:40,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:40,311 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:40,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:40,524 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-21 20:12:40,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:40,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249028034] [2020-07-21 20:12:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:40,703 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:40,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:40,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:40,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-21 20:12:40,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:12:40,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249028034] [2020-07-21 20:12:40,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:12:40,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:12:40,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261994321] [2020-07-21 20:12:40,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:12:40,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:12:40,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:40,753 INFO L87 Difference]: Start difference. First operand 882 states and 1096 transitions. Second operand 3 states. [2020-07-21 20:12:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:41,482 INFO L93 Difference]: Finished difference Result 2622 states and 3289 transitions. [2020-07-21 20:12:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:12:41,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-21 20:12:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:41,489 INFO L225 Difference]: With dead ends: 2622 [2020-07-21 20:12:41,489 INFO L226 Difference]: Without dead ends: 880 [2020-07-21 20:12:41,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-21 20:12:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2020-07-21 20:12:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-07-21 20:12:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1080 transitions. [2020-07-21 20:12:41,524 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1080 transitions. Word has length 210 [2020-07-21 20:12:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:41,524 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1080 transitions. [2020-07-21 20:12:41,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:12:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1080 transitions. [2020-07-21 20:12:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-21 20:12:41,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:41,529 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:41,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:41,738 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:41,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:41,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1943514195, now seen corresponding path program 1 times [2020-07-21 20:12:41,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:41,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323398907] [2020-07-21 20:12:41,739 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:41,889 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:41,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:41,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:41,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:41,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:12:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:12:42,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323398907] [2020-07-21 20:12:42,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:12:42,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 20:12:42,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687039796] [2020-07-21 20:12:42,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 20:12:42,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:42,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 20:12:42,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:12:42,062 INFO L87 Difference]: Start difference. First operand 880 states and 1080 transitions. Second operand 8 states. [2020-07-21 20:12:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:43,804 INFO L93 Difference]: Finished difference Result 2823 states and 3645 transitions. [2020-07-21 20:12:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 20:12:43,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-07-21 20:12:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:43,817 INFO L225 Difference]: With dead ends: 2823 [2020-07-21 20:12:43,817 INFO L226 Difference]: Without dead ends: 1349 [2020-07-21 20:12:43,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-21 20:12:43,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-21 20:12:43,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1323. [2020-07-21 20:12:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-21 20:12:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1595 transitions. [2020-07-21 20:12:43,883 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1595 transitions. Word has length 214 [2020-07-21 20:12:43,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:43,884 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1595 transitions. [2020-07-21 20:12:43,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 20:12:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1595 transitions. [2020-07-21 20:12:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-21 20:12:43,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:12:43,889 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:12:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:44,103 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:12:44,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:12:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-21 20:12:44,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:12:44,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751986999] [2020-07-21 20:12:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:44,222 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:12:44,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:12:44,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:12:44,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:12:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-21 20:12:44,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:12:44,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751986999] [2020-07-21 20:12:44,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:12:44,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:12:44,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307342092] [2020-07-21 20:12:44,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:12:44,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:12:44,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:12:44,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:44,317 INFO L87 Difference]: Start difference. First operand 1323 states and 1595 transitions. Second operand 3 states. [2020-07-21 20:12:44,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:12:44,653 INFO L93 Difference]: Finished difference Result 1323 states and 1595 transitions. [2020-07-21 20:12:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:12:44,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-21 20:12:44,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:12:44,659 INFO L225 Difference]: With dead ends: 1323 [2020-07-21 20:12:44,659 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:12:44,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:12:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:12:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:12:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:12:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:12:44,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-21 20:12:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:12:44,663 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:12:44,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:12:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:12:44,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:12:44,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:12:44,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:12:45,520 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-07-21 20:12:45,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:12:45,676 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-21 20:12:45,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:12:45,676 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 20:12:45,676 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 20:12:45,677 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,678 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 20:12:45,679 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 20:12:45,680 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,681 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 20:12:45,682 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 20:12:45,683 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 20:12:45,684 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,685 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 20:12:45,686 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,687 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 20:12:45,688 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,689 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 20:12:45,690 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 20:12:45,691 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (<= 9 ~a19~0)) (.cse2 (<= 2 ~a10~0)) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (not (<= 23 |old(~a1~0)|))) (.cse7 (and .cse0 .cse1)) (.cse6 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 7)) (and .cse0 (<= ~a19~0 7))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 8)) .cse3) (or .cse4 (and .cse5 .cse0 .cse1) .cse6) (or (not (<= |old(~a10~0)| 0)) .cse7) (or (and .cse5 .cse0 .cse2 (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) .cse4 .cse3) (or .cse8 (<= 23 ~a1~0) .cse6) (or .cse8 .cse7 .cse6)))) [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 20:12:45,692 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 20:12:45,693 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 20:12:45,694 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 20:12:45,695 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,696 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 20:12:45,697 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:12:45,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= 23 ~a1~0) (< ~a19~0 10)) [2020-07-21 20:12:45,699 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:12:45,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:12:45,699 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= 23 ~a1~0) (< ~a19~0 10))) [2020-07-21 20:12:45,699 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 20:12:45,699 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-21 20:12:45,699 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 20:12:45,699 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 20:12:45,700 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-21 20:12:45,700 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 20:12:45,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:12:45 BoogieIcfgContainer [2020-07-21 20:12:45,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:12:45,721 INFO L168 Benchmark]: Toolchain (without parser) took 13548.99 ms. Allocated memory was 136.3 MB in the beginning and 388.0 MB in the end (delta: 251.7 MB). Free memory was 99.0 MB in the beginning and 189.6 MB in the end (delta: -90.6 MB). Peak memory consumption was 161.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:12:45,721 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 20:12:45,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.10 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 168.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:12:45,723 INFO L168 Benchmark]: Boogie Preprocessor took 106.90 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 163.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:12:45,724 INFO L168 Benchmark]: RCFGBuilder took 1358.96 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 163.0 MB in the beginning and 179.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:12:45,725 INFO L168 Benchmark]: TraceAbstraction took 11246.31 ms. Allocated memory was 231.2 MB in the beginning and 388.0 MB in the end (delta: 156.8 MB). Free memory was 179.0 MB in the beginning and 189.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 146.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:12:45,729 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 829.10 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 168.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.90 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 163.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1358.96 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 163.0 MB in the beginning and 179.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11246.31 ms. Allocated memory was 231.2 MB in the beginning and 388.0 MB in the end (delta: 156.8 MB). Free memory was 179.0 MB in the beginning and 189.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 146.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (2 <= a10 && a19 < 10)) || (a10 <= 2 && 23 <= a1)) || (9 <= a19 && a10 <= 2)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 635 SDtfs, 1815 SDslu, 148 SDs, 0 SdLazy, 3827 SolverSat, 746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 318 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 256 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1194 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 631595 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2200 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 925/933 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...