/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:55:20,648 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 22:55:20,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:55:20,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:55:20,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:55:20,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:55:20,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:55:20,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:55:20,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:55:20,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:55:20,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:55:20,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:55:20,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:55:20,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:55:20,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:55:20,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:55:20,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:55:20,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:55:20,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:55:20,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:55:20,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:55:20,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:55:20,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:55:20,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:55:20,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:55:20,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:55:20,698 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 22:55:20,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:55:20,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:55:20,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:55:20,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:55:20,715 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:55:20,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:55:20,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:55:20,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:55:20,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:55:20,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:55:20,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:55:20,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:55:20,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:55:20,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:55:20,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:55:20,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:55:20,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:55:20,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:55:20,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:55:20,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:55:20,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:55:20,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:20,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:55:20,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:55:20,720 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 -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:55:20,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:55:20,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:55:20,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:55:20,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:55:20,998 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:55:20,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 22:55:21,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a9a0b41/2272b16aff3e4cfdb8b8c8f4e83b02f2/FLAG8530a1d8c [2020-07-21 22:55:21,544 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:55:21,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 22:55:21,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a9a0b41/2272b16aff3e4cfdb8b8c8f4e83b02f2/FLAG8530a1d8c [2020-07-21 22:55:21,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a9a0b41/2272b16aff3e4cfdb8b8c8f4e83b02f2 [2020-07-21 22:55:21,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:55:21,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:55:21,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:55:21,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:55:21,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:55:21,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:55:21" (1/1) ... [2020-07-21 22:55:21,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458b7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:21, skipping insertion in model container [2020-07-21 22:55:21,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:55:21" (1/1) ... [2020-07-21 22:55:21,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:55:21,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:55:22,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:55:22,353 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:55:22,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:55:22,556 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:55:22,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22 WrapperNode [2020-07-21 22:55:22,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:55:22,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:55:22,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:55:22,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:55:22,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (1/1) ... [2020-07-21 22:55:22,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:55:22,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:55:22,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:55:22,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:55:22,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (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 22:55:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:55:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:55:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:55:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:55:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:55:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:55:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:55:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:55:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:55:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:55:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:55:23,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:55:23,817 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:55:23,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:55:23 BoogieIcfgContainer [2020-07-21 22:55:23,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:55:23,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:55:23,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:55:23,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:55:23,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:55:21" (1/3) ... [2020-07-21 22:55:23,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:55:23, skipping insertion in model container [2020-07-21 22:55:23,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:22" (2/3) ... [2020-07-21 22:55:23,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:55:23, skipping insertion in model container [2020-07-21 22:55:23,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:55:23" (3/3) ... [2020-07-21 22:55:23,832 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-07-21 22:55:23,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:55:23,850 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:55:23,864 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:55:23,888 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:55:23,889 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:55:23,889 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:55:23,889 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:55:23,889 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:55:23,890 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:55:23,890 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:55:23,890 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:55:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:55:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-21 22:55:23,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:23,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:23,927 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:23,933 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2020-07-21 22:55:23,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:23,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808363001] [2020-07-21 22:55:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:24,133 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:55:24,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:24,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:55:24,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:24,460 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-07-21 22:55:24,697 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:55:24,703 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:55:24,703 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:55:24,805 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 22:55:24,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:24,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808363001] [2020-07-21 22:55:24,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:24,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:55:24,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696247119] [2020-07-21 22:55:24,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:55:24,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:55:24,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:55:24,835 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:55:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:26,057 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:55:26,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:55:26,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-07-21 22:55:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:26,073 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:55:26,073 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:55:26,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:55:26,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:55:26,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:55:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:55:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:55:26,153 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 105 [2020-07-21 22:55:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:26,154 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:55:26,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:55:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:55:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-21 22:55:26,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:26,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:26,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:26,383 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:26,384 INFO L82 PathProgramCache]: Analyzing trace with hash -241498656, now seen corresponding path program 1 times [2020-07-21 22:55:26,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:26,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005532589] [2020-07-21 22:55:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:26,473 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:55:26,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:26,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:55:26,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:27,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:27,376 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:55:27,377 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:55:27,379 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:55:27,380 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:55:27,381 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:55:27,400 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:55:27,401 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:55:27,451 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:27,526 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:27,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005532589] [2020-07-21 22:55:27,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:27,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:55:27,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717548831] [2020-07-21 22:55:27,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:55:27,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:27,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:55:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:55:27,681 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:55:28,717 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:55:29,827 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:55:31,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:31,442 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 22:55:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:55:31,448 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 114 [2020-07-21 22:55:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:31,453 INFO L225 Difference]: With dead ends: 740 [2020-07-21 22:55:31,454 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 22:55:31,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 205 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:55:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 22:55:31,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 22:55:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:55:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 22:55:31,500 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 114 [2020-07-21 22:55:31,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:31,500 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 22:55:31,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:55:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 22:55:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 22:55:31,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:31,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:31,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:31,715 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:31,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash 177280616, now seen corresponding path program 1 times [2020-07-21 22:55:31,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:31,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149764437] [2020-07-21 22:55:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:31,821 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:55:31,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:31,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:31,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:31,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:31,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149764437] [2020-07-21 22:55:31,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:31,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:55:31,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987332866] [2020-07-21 22:55:31,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:55:31,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:31,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:55:31,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:31,896 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 3 states. [2020-07-21 22:55:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:32,450 INFO L93 Difference]: Finished difference Result 1075 states and 1497 transitions. [2020-07-21 22:55:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:55:32,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 22:55:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:32,456 INFO L225 Difference]: With dead ends: 1075 [2020-07-21 22:55:32,456 INFO L226 Difference]: Without dead ends: 688 [2020-07-21 22:55:32,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 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 22:55:32,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-21 22:55:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 684. [2020-07-21 22:55:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-07-21 22:55:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 860 transitions. [2020-07-21 22:55:32,488 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 860 transitions. Word has length 118 [2020-07-21 22:55:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:32,489 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 860 transitions. [2020-07-21 22:55:32,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:55:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 860 transitions. [2020-07-21 22:55:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 22:55:32,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:32,492 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:32,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:32,706 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:32,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:32,707 INFO L82 PathProgramCache]: Analyzing trace with hash -43076848, now seen corresponding path program 1 times [2020-07-21 22:55:32,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:32,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187290016] [2020-07-21 22:55:32,708 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:32,800 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:55:32,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:32,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:32,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:55:32,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:32,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187290016] [2020-07-21 22:55:32,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:32,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:55:32,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516453732] [2020-07-21 22:55:32,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:55:32,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:32,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:55:32,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:32,852 INFO L87 Difference]: Start difference. First operand 684 states and 860 transitions. Second operand 3 states. [2020-07-21 22:55:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:33,447 INFO L93 Difference]: Finished difference Result 1658 states and 2156 transitions. [2020-07-21 22:55:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:55:33,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-07-21 22:55:33,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:33,454 INFO L225 Difference]: With dead ends: 1658 [2020-07-21 22:55:33,454 INFO L226 Difference]: Without dead ends: 980 [2020-07-21 22:55:33,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 22:55:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-07-21 22:55:33,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2020-07-21 22:55:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-07-21 22:55:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1212 transitions. [2020-07-21 22:55:33,487 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1212 transitions. Word has length 140 [2020-07-21 22:55:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:33,488 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1212 transitions. [2020-07-21 22:55:33,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:55:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1212 transitions. [2020-07-21 22:55:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 22:55:33,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:33,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:33,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:33,707 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:33,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1599709903, now seen corresponding path program 1 times [2020-07-21 22:55:33,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:33,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761139957] [2020-07-21 22:55:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:33,795 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:55:33,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:33,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:33,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:33,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:33,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761139957] [2020-07-21 22:55:33,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:33,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:55:33,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943588210] [2020-07-21 22:55:33,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:55:33,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:55:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:33,831 INFO L87 Difference]: Start difference. First operand 980 states and 1212 transitions. Second operand 3 states. [2020-07-21 22:55:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:34,429 INFO L93 Difference]: Finished difference Result 2248 states and 2875 transitions. [2020-07-21 22:55:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:55:34,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-21 22:55:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:34,439 INFO L225 Difference]: With dead ends: 2248 [2020-07-21 22:55:34,439 INFO L226 Difference]: Without dead ends: 1274 [2020-07-21 22:55:34,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 22:55:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-07-21 22:55:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1272. [2020-07-21 22:55:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2020-07-21 22:55:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1613 transitions. [2020-07-21 22:55:34,504 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1613 transitions. Word has length 139 [2020-07-21 22:55:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:34,504 INFO L479 AbstractCegarLoop]: Abstraction has 1272 states and 1613 transitions. [2020-07-21 22:55:34,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:55:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1613 transitions. [2020-07-21 22:55:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 22:55:34,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:34,509 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:34,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:34,725 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:34,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:34,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1972576100, now seen corresponding path program 1 times [2020-07-21 22:55:34,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:34,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592471935] [2020-07-21 22:55:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:34,814 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:34,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:34,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:55:34,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:34,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:34,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592471935] [2020-07-21 22:55:34,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:34,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:34,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762985838] [2020-07-21 22:55:34,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:34,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:34,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:34,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:34,910 INFO L87 Difference]: Start difference. First operand 1272 states and 1613 transitions. Second operand 7 states. [2020-07-21 22:55:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:36,325 INFO L93 Difference]: Finished difference Result 4698 states and 6235 transitions. [2020-07-21 22:55:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:55:36,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-21 22:55:36,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:36,344 INFO L225 Difference]: With dead ends: 4698 [2020-07-21 22:55:36,344 INFO L226 Difference]: Without dead ends: 3432 [2020-07-21 22:55:36,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:36,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2020-07-21 22:55:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3428. [2020-07-21 22:55:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3428 states. [2020-07-21 22:55:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 4376 transitions. [2020-07-21 22:55:36,439 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 4376 transitions. Word has length 146 [2020-07-21 22:55:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:36,440 INFO L479 AbstractCegarLoop]: Abstraction has 3428 states and 4376 transitions. [2020-07-21 22:55:36,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:36,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 4376 transitions. [2020-07-21 22:55:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 22:55:36,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:36,449 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:36,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:36,664 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:36,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:36,665 INFO L82 PathProgramCache]: Analyzing trace with hash -201080464, now seen corresponding path program 1 times [2020-07-21 22:55:36,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:36,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305791204] [2020-07-21 22:55:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:36,764 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:36,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:36,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:55:36,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:36,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:36,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305791204] [2020-07-21 22:55:36,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:36,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:36,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914470670] [2020-07-21 22:55:36,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:36,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:36,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:36,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:36,868 INFO L87 Difference]: Start difference. First operand 3428 states and 4376 transitions. Second operand 7 states. [2020-07-21 22:55:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:37,864 INFO L93 Difference]: Finished difference Result 9000 states and 12205 transitions. [2020-07-21 22:55:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:55:37,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-07-21 22:55:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:37,904 INFO L225 Difference]: With dead ends: 9000 [2020-07-21 22:55:37,904 INFO L226 Difference]: Without dead ends: 5581 [2020-07-21 22:55:37,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2020-07-21 22:55:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5516. [2020-07-21 22:55:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5516 states. [2020-07-21 22:55:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7016 transitions. [2020-07-21 22:55:38,125 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7016 transitions. Word has length 156 [2020-07-21 22:55:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:38,126 INFO L479 AbstractCegarLoop]: Abstraction has 5516 states and 7016 transitions. [2020-07-21 22:55:38,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7016 transitions. [2020-07-21 22:55:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-21 22:55:38,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:38,143 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:38,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:38,358 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:38,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1955172028, now seen corresponding path program 1 times [2020-07-21 22:55:38,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:38,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044195355] [2020-07-21 22:55:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:38,459 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:38,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:38,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:38,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:55:38,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:55:38,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044195355] [2020-07-21 22:55:38,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:38,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:38,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809439150] [2020-07-21 22:55:38,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:38,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:38,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:38,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:38,600 INFO L87 Difference]: Start difference. First operand 5516 states and 7016 transitions. Second operand 7 states. [2020-07-21 22:55:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:39,764 INFO L93 Difference]: Finished difference Result 12076 states and 15320 transitions. [2020-07-21 22:55:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:55:39,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-07-21 22:55:39,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:39,788 INFO L225 Difference]: With dead ends: 12076 [2020-07-21 22:55:39,788 INFO L226 Difference]: Without dead ends: 5371 [2020-07-21 22:55:39,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2020-07-21 22:55:39,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 4886. [2020-07-21 22:55:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4886 states. [2020-07-21 22:55:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 5888 transitions. [2020-07-21 22:55:39,921 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 5888 transitions. Word has length 168 [2020-07-21 22:55:39,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:39,921 INFO L479 AbstractCegarLoop]: Abstraction has 4886 states and 5888 transitions. [2020-07-21 22:55:39,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 5888 transitions. [2020-07-21 22:55:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-21 22:55:39,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:39,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 22:55:40,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:40,150 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:40,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:40,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1839406241, now seen corresponding path program 1 times [2020-07-21 22:55:40,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:40,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081968998] [2020-07-21 22:55:40,155 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:40,266 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:40,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:40,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:40,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 22:55:40,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 22:55:40,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081968998] [2020-07-21 22:55:40,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:40,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:40,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677856422] [2020-07-21 22:55:40,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:40,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:40,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:40,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:40,401 INFO L87 Difference]: Start difference. First operand 4886 states and 5888 transitions. Second operand 7 states. [2020-07-21 22:55:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:41,795 INFO L93 Difference]: Finished difference Result 8158 states and 9796 transitions. [2020-07-21 22:55:41,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:55:41,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-07-21 22:55:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:41,813 INFO L225 Difference]: With dead ends: 8158 [2020-07-21 22:55:41,813 INFO L226 Difference]: Without dead ends: 3405 [2020-07-21 22:55:41,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 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 22:55:41,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2020-07-21 22:55:41,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3394. [2020-07-21 22:55:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2020-07-21 22:55:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3746 transitions. [2020-07-21 22:55:41,915 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3746 transitions. Word has length 226 [2020-07-21 22:55:41,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:41,916 INFO L479 AbstractCegarLoop]: Abstraction has 3394 states and 3746 transitions. [2020-07-21 22:55:41,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3746 transitions. [2020-07-21 22:55:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-07-21 22:55:41,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:41,931 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:42,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:42,145 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:42,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1916508377, now seen corresponding path program 1 times [2020-07-21 22:55:42,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:42,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205072277] [2020-07-21 22:55:42,147 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:42,253 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:55:42,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:42,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:42,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-07-21 22:55:42,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 170 proven. 26 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-07-21 22:55:42,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205072277] [2020-07-21 22:55:42,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:42,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:42,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999794267] [2020-07-21 22:55:42,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:42,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:42,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:42,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:42,432 INFO L87 Difference]: Start difference. First operand 3394 states and 3746 transitions. Second operand 7 states. [2020-07-21 22:55:42,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:42,910 INFO L93 Difference]: Finished difference Result 5562 states and 6147 transitions. [2020-07-21 22:55:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:55:42,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-07-21 22:55:42,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:42,911 INFO L225 Difference]: With dead ends: 5562 [2020-07-21 22:55:42,911 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:55:42,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 494 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:55:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:55:42,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:55:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:55:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:55:42,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2020-07-21 22:55:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:42,922 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:55:42,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:55:42,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:55:43,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:43,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:55:44,592 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 107 [2020-07-21 22:55:44,887 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-07-21 22:55:45,174 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-21 22:55:45,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:55:45,179 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 22:55:45,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:55:45,180 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,180 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,180 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,180 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,180 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,181 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:55:45,181 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:55:45,181 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:55:45,181 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:55:45,181 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:55:45,182 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,183 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:55:45,184 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,185 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:55:45,186 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,187 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:55:45,188 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:55:45,189 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:55:45,190 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,191 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:55:45,192 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:55:45,193 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,194 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:55:45,195 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:55:45,196 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:55:45,197 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:55:45,197 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,197 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,197 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,197 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse19 (not (= 1 ~a21~0)))) (let ((.cse3 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse19)) (.cse12 (not (<= 11 |old(~a28~0)|))) (.cse16 (<= 11 ~a28~0)) (.cse21 (not (<= 10 |old(~a28~0)|))) (.cse22 (< ~a28~0 11)) (.cse23 (<= 10 ~a28~0)) (.cse24 (not (< |old(~a28~0)| 11))) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse4 (= 1 ~a25~0)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse17 (<= ~a11~0 |old(~a11~0)|)) (.cse25 (not (= 8 |old(~a17~0)|))) (.cse26 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse20 (not (<= |old(~a11~0)| 0))) (.cse8 (not (<= |old(~a28~0)| 9))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (<= |old(~a17~0)| 8))) (.cse13 (<= ~a28~0 |old(~a28~0)|)) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse9 .cse5 .cse12 (and .cse13 .cse14 .cse15 .cse2 .cse16 .cse4) .cse10) (or .cse7 (and .cse17 .cse1 .cse2 .cse11 .cse18) .cse6 .cse19 .cse20) (or .cse0 .cse9 .cse21 (and .cse1 .cse15 .cse22 .cse23 .cse2 .cse3 .cse18) .cse24) (or .cse17 .cse5 .cse21 .cse10 .cse19 .cse20 .cse24) (or .cse0 .cse25 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (= 7 ~a28~0) .cse26 .cse19 .cse20) (or .cse0 .cse12 .cse6 .cse16) (or (and .cse1 .cse23 .cse2 .cse18) .cse6 .cse21) (or .cse17 .cse8 .cse9 .cse10 .cse19 .cse20) (or .cse17 .cse0 .cse5 .cse21 .cse10 .cse19 .cse20) (or .cse9 .cse5 .cse21 (and .cse14 .cse15 .cse22 .cse23 .cse2 .cse4) .cse10 .cse24) (or .cse7 .cse5 .cse6 (and .cse1 .cse2 .cse11 .cse4)) (or .cse0 .cse17 (not (= 10 |old(~a28~0)|)) .cse25 .cse26 .cse19 .cse20) (or .cse8 .cse9 .cse10 (and .cse13 .cse14 .cse15 .cse2 .cse18))))) [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:55:45,198 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,199 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:55:45,200 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:55:45,201 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:55:45,202 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:55:45,203 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:55:45,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:55:45,205 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 22:55:45,205 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:55:45,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:55:45,205 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a11~0 |old(~a11~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 22:55:45,205 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 22:55:45,205 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:55:45,206 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:55:45,206 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 22:55:45,206 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:55:45,206 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:55:45,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:55:45 BoogieIcfgContainer [2020-07-21 22:55:45,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:55:45,232 INFO L168 Benchmark]: Toolchain (without parser) took 23377.30 ms. Allocated memory was 138.4 MB in the beginning and 541.6 MB in the end (delta: 403.2 MB). Free memory was 101.7 MB in the beginning and 450.7 MB in the end (delta: -349.0 MB). Peak memory consumption was 391.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,233 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.44 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,235 INFO L168 Benchmark]: Boogie Preprocessor took 105.79 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,235 INFO L168 Benchmark]: RCFGBuilder took 1160.30 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 183.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,236 INFO L168 Benchmark]: TraceAbstraction took 21405.74 ms. Allocated memory was 237.5 MB in the beginning and 541.6 MB in the end (delta: 304.1 MB). Free memory was 183.2 MB in the beginning and 450.7 MB in the end (delta: -267.5 MB). Peak memory consumption was 374.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:45,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.44 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.79 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.30 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.5 MB in the beginning and 183.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21405.74 ms. Allocated memory was 237.5 MB in the beginning and 541.6 MB in the end (delta: 304.1 MB). Free memory was 183.2 MB in the beginning and 450.7 MB in the end (delta: -267.5 MB). Peak memory consumption was 374.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a19)) || ((a11 <= 0 && a17 <= 7) && 9 <= a28)) || !(8 == \old(a17))) || (((1 == a19 && a17 <= \old(a17)) && 10 <= a28) && a28 < 11)) || ((1 == a19 && a17 <= 8) && 1 == a25)) || (((a17 <= 8 && a28 < 11) && 9 <= a28) && 1 == a25)) || !(7 == \old(a28))) || !(\old(a25) <= 0)) || ((a17 <= 8 && 8 <= a17) && a28 <= 9)) || !(1 == a21)) || (a17 <= 7 && 10 <= a28)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1079 SDtfs, 4787 SDslu, 831 SDs, 0 SdLazy, 9432 SolverSat, 1262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2662 GetRequests, 2562 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5516occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 603 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 235 NumberOfFragments, 743 HoareAnnotationTreeSize, 173 FomulaSimplifications, 2124 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2220 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1562 NumberOfCodeBlocks, 978 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2606 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505015 SizeOfPredicates, 41 NumberOfNonLiveVariables, 3292 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 1595/1671 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...