/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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:55:47,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:55:47,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:55:47,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:55:47,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:55:47,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:55:47,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:55:47,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:55:47,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:55:47,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:55:47,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:55:47,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:55:47,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:55:47,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:55:47,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:55:47,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:55:47,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:55:47,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:55:47,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:55:47,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:55:47,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:55:47,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:55:47,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:55:47,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:55:47,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:55:47,698 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 22:55:47,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:55:47,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:55:47,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:55:47,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:55:47,736 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:55:47,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:55:47,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:55:47,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:55:47,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:55:47,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:55:47,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:55:47,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:55:47,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:55:47,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:55:47,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:55:47,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:55:47,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:55:47,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:55:47,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:55:47,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:55:47,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:55:47,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:47,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:55:47,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:55:47,746 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 22:55:48,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:55:48,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:55:48,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:55:48,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:55:48,053 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:55:48,054 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2020-07-21 22:55:48,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80d74b23/933da7f02f3d4c2b91476e9f6b83dce1/FLAGcc707017b [2020-07-21 22:55:48,619 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:55:48,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2020-07-21 22:55:48,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80d74b23/933da7f02f3d4c2b91476e9f6b83dce1/FLAGcc707017b [2020-07-21 22:55:48,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80d74b23/933da7f02f3d4c2b91476e9f6b83dce1 [2020-07-21 22:55:48,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:55:48,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:55:48,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:55:48,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:55:48,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:55:48,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:55:48" (1/1) ... [2020-07-21 22:55:48,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cc5e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:48, skipping insertion in model container [2020-07-21 22:55:48,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:55:48" (1/1) ... [2020-07-21 22:55:48,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:55:48,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:55:49,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:55:49,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:55:49,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:55:49,599 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:55:49,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49 WrapperNode [2020-07-21 22:55:49,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:55:49,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:55:49,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:55:49,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:55:49,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (1/1) ... [2020-07-21 22:55:49,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:55:49,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:55:49,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:55:49,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:55:49,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (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 22:55:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:55:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:55:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:55:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:55:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:55:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:55:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:55:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:55:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:55:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:55:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:55:50,954 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:55:50,955 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:55:50,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:55:50 BoogieIcfgContainer [2020-07-21 22:55:50,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:55:50,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:55:50,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:55:50,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:55:50,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:55:48" (1/3) ... [2020-07-21 22:55:50,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e921b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:55:50, skipping insertion in model container [2020-07-21 22:55:50,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:55:49" (2/3) ... [2020-07-21 22:55:50,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e921b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:55:50, skipping insertion in model container [2020-07-21 22:55:50,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:55:50" (3/3) ... [2020-07-21 22:55:50,969 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label28.c [2020-07-21 22:55:50,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:55:50,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:55:51,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:55:51,027 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:55:51,028 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:55:51,028 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:55:51,028 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:55:51,028 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:55:51,029 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:55:51,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:55:51,029 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:55:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:55:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-21 22:55:51,070 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:51,071 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, 1, 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 22:55:51,072 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:51,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:51,079 INFO L82 PathProgramCache]: Analyzing trace with hash 619051294, now seen corresponding path program 1 times [2020-07-21 22:55:51,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:51,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436477160] [2020-07-21 22:55:51,091 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 22:55:51,244 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:51,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:51,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:55:51,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:51,743 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:55:51,748 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:55:51,748 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:55:51,849 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 22:55:51,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:51,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436477160] [2020-07-21 22:55:51,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:51,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:55:51,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996937962] [2020-07-21 22:55:51,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:55:51,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:51,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:55:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:55:51,875 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:55:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:53,048 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:55:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:55:53,050 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 130 [2020-07-21 22:55:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:53,064 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:55:53,064 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:55:53,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:55:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:55:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:55:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:55:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:55:53,132 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 130 [2020-07-21 22:55:53,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:53,133 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:55:53,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:55:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:55:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 22:55:53,137 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:53,138 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, 1, 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 22:55:53,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:53,353 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:53,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:53,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1594933809, now seen corresponding path program 1 times [2020-07-21 22:55:53,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:53,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23631825] [2020-07-21 22:55:53,355 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 22:55:53,451 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:55:53,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:53,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:55:53,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:53,978 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 22:55:53,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:54,387 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:55:54,391 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:55:54,394 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:55:54,395 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:55:54,397 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:55:54,431 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:55:54,432 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:55:54,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:54,556 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:54,648 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 22:55:54,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23631825] [2020-07-21 22:55:54,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:54,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:55:54,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439535469] [2020-07-21 22:55:54,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:55:54,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:54,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:55:54,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:55:54,652 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:55:55,646 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:55:56,782 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:55:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:58,217 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 22:55:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:55:58,218 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 139 [2020-07-21 22:55:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:58,224 INFO L225 Difference]: With dead ends: 740 [2020-07-21 22:55:58,224 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 22:55:58,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:55:58,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 22:55:58,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 22:55:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:55:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 22:55:58,261 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 139 [2020-07-21 22:55:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:58,262 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 22:55:58,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:55:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 22:55:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 22:55:58,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:58,265 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, 1, 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 22:55:58,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:58,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:58,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:58,480 INFO L82 PathProgramCache]: Analyzing trace with hash -111192505, now seen corresponding path program 1 times [2020-07-21 22:55:58,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:58,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562889193] [2020-07-21 22:55:58,482 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 22:55:58,569 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:55:58,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:58,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 43 conjunts are in the unsatisfiable core [2020-07-21 22:55:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:59,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:59,547 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 6 conjuncts [2020-07-21 22:55:59,549 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 22:55:59,550 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:55:59,551 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:55:59,552 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:55:59,575 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 7, 5, 1] term [2020-07-21 22:55:59,575 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:55:59,617 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:59,691 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:59,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562889193] [2020-07-21 22:55:59,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:59,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:55:59,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324184613] [2020-07-21 22:55:59,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:55:59,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:59,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:55:59,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:55:59,814 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 21 states. [2020-07-21 22:56:00,764 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-07-21 22:56:02,158 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-21 22:56:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:02,718 INFO L93 Difference]: Finished difference Result 902 states and 1244 transitions. [2020-07-21 22:56:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-21 22:56:02,718 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 143 [2020-07-21 22:56:02,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:02,724 INFO L225 Difference]: With dead ends: 902 [2020-07-21 22:56:02,724 INFO L226 Difference]: Without dead ends: 515 [2020-07-21 22:56:02,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=423, Invalid=1059, Unknown=0, NotChecked=0, Total=1482 [2020-07-21 22:56:02,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-07-21 22:56:02,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 478. [2020-07-21 22:56:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-21 22:56:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 623 transitions. [2020-07-21 22:56:02,754 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 623 transitions. Word has length 143 [2020-07-21 22:56:02,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:02,754 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 623 transitions. [2020-07-21 22:56:02,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:56:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 623 transitions. [2020-07-21 22:56:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 22:56:02,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:02,758 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, 1, 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 22:56:02,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:02,971 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:02,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:02,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1368930657, now seen corresponding path program 1 times [2020-07-21 22:56:02,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:02,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612639654] [2020-07-21 22:56:02,974 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 22:56:03,100 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:56:03,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:03,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:56:03,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:56:03,140 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 22:56:03,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:56:03,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612639654] [2020-07-21 22:56:03,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:56:03,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:56:03,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221218720] [2020-07-21 22:56:03,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:56:03,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:56:03,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:56:03,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:56:03,143 INFO L87 Difference]: Start difference. First operand 478 states and 623 transitions. Second operand 3 states. [2020-07-21 22:56:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:03,799 INFO L93 Difference]: Finished difference Result 1245 states and 1677 transitions. [2020-07-21 22:56:03,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:56:03,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-07-21 22:56:03,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:03,806 INFO L225 Difference]: With dead ends: 1245 [2020-07-21 22:56:03,806 INFO L226 Difference]: Without dead ends: 773 [2020-07-21 22:56:03,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 22:56:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-07-21 22:56:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 769. [2020-07-21 22:56:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-07-21 22:56:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1027 transitions. [2020-07-21 22:56:03,844 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1027 transitions. Word has length 165 [2020-07-21 22:56:03,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:03,845 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 1027 transitions. [2020-07-21 22:56:03,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:56:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1027 transitions. [2020-07-21 22:56:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-21 22:56:03,850 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:03,850 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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 22:56:04,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:04,064 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:04,065 INFO L82 PathProgramCache]: Analyzing trace with hash 347423334, now seen corresponding path program 2 times [2020-07-21 22:56:04,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:04,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149229702] [2020-07-21 22:56:04,067 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 22:56:04,182 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:56:04,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:04,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:56:04,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:56:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:56:04,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:56:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:56:04,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149229702] [2020-07-21 22:56:04,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:56:04,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:56:04,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154943110] [2020-07-21 22:56:04,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:56:04,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:56:04,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:56:04,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:56:04,312 INFO L87 Difference]: Start difference. First operand 769 states and 1027 transitions. Second operand 7 states. [2020-07-21 22:56:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:05,672 INFO L93 Difference]: Finished difference Result 2155 states and 2951 transitions. [2020-07-21 22:56:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:56:05,674 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 178 [2020-07-21 22:56:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:05,685 INFO L225 Difference]: With dead ends: 2155 [2020-07-21 22:56:05,686 INFO L226 Difference]: Without dead ends: 1392 [2020-07-21 22:56:05,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-07-21 22:56:05,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2020-07-21 22:56:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1383. [2020-07-21 22:56:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2020-07-21 22:56:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1723 transitions. [2020-07-21 22:56:05,798 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1723 transitions. Word has length 178 [2020-07-21 22:56:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:05,799 INFO L479 AbstractCegarLoop]: Abstraction has 1383 states and 1723 transitions. [2020-07-21 22:56:05,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:56:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1723 transitions. [2020-07-21 22:56:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-21 22:56:05,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:05,804 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:06,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:06,006 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:06,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:06,006 INFO L82 PathProgramCache]: Analyzing trace with hash 181158984, now seen corresponding path program 1 times [2020-07-21 22:56:06,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:06,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507235925] [2020-07-21 22:56:06,008 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 22:56:06,101 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:56:06,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:06,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:56:06,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:56:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:56:06,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:56:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:56:06,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507235925] [2020-07-21 22:56:06,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:56:06,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:56:06,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989612000] [2020-07-21 22:56:06,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:56:06,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:56:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:56:06,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:56:06,231 INFO L87 Difference]: Start difference. First operand 1383 states and 1723 transitions. Second operand 6 states. [2020-07-21 22:56:06,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:06,694 INFO L93 Difference]: Finished difference Result 2607 states and 3325 transitions. [2020-07-21 22:56:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:56:06,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2020-07-21 22:56:06,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:06,703 INFO L225 Difference]: With dead ends: 2607 [2020-07-21 22:56:06,703 INFO L226 Difference]: Without dead ends: 1230 [2020-07-21 22:56:06,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 368 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:56:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-07-21 22:56:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1214. [2020-07-21 22:56:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1214 states. [2020-07-21 22:56:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1489 transitions. [2020-07-21 22:56:06,752 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1489 transitions. Word has length 187 [2020-07-21 22:56:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:06,752 INFO L479 AbstractCegarLoop]: Abstraction has 1214 states and 1489 transitions. [2020-07-21 22:56:06,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:56:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1489 transitions. [2020-07-21 22:56:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-21 22:56:06,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:06,758 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 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 22:56:06,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:06,972 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:06,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1184332568, now seen corresponding path program 1 times [2020-07-21 22:56:06,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:06,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010852344] [2020-07-21 22:56:06,975 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 22:56:07,065 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:56:07,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:07,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:56:07,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:56:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 22:56:07,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:56:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 22:56:07,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010852344] [2020-07-21 22:56:07,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:56:07,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:56:07,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775755226] [2020-07-21 22:56:07,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:56:07,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:56:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:56:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:56:07,210 INFO L87 Difference]: Start difference. First operand 1214 states and 1489 transitions. Second operand 7 states. [2020-07-21 22:56:07,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:07,907 INFO L93 Difference]: Finished difference Result 3163 states and 4094 transitions. [2020-07-21 22:56:07,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:56:07,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-07-21 22:56:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:07,919 INFO L225 Difference]: With dead ends: 3163 [2020-07-21 22:56:07,919 INFO L226 Difference]: Without dead ends: 1848 [2020-07-21 22:56:07,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 378 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 22:56:07,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2020-07-21 22:56:07,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1822. [2020-07-21 22:56:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1822 states. [2020-07-21 22:56:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2139 transitions. [2020-07-21 22:56:07,982 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2139 transitions. Word has length 191 [2020-07-21 22:56:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:07,982 INFO L479 AbstractCegarLoop]: Abstraction has 1822 states and 2139 transitions. [2020-07-21 22:56:07,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:56:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2139 transitions. [2020-07-21 22:56:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-21 22:56:07,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:07,990 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:56:08,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:08,204 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:08,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:08,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1761615901, now seen corresponding path program 1 times [2020-07-21 22:56:08,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:08,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914881104] [2020-07-21 22:56:08,205 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 22:56:08,305 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:56:08,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:08,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:56:08,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:56:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:56:08,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:56:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:56:08,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914881104] [2020-07-21 22:56:08,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:56:08,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:56:08,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45104162] [2020-07-21 22:56:08,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:56:08,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:56:08,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:56:08,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:56:08,498 INFO L87 Difference]: Start difference. First operand 1822 states and 2139 transitions. Second operand 7 states. [2020-07-21 22:56:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:56:09,432 INFO L93 Difference]: Finished difference Result 4016 states and 4745 transitions. [2020-07-21 22:56:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:56:09,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-07-21 22:56:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:56:09,433 INFO L225 Difference]: With dead ends: 4016 [2020-07-21 22:56:09,433 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:56:09,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 411 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 22:56:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:56:09,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:56:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:56:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:56:09,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2020-07-21 22:56:09,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:56:09,441 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:56:09,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:56:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:56:09,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:56:09,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:09,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:56:10,737 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2020-07-21 22:56:10,958 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-07-21 22:56:11,174 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-07-21 22:56:11,178 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:56:11,179 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (<= |old(~a28~0)| ~a28~0)) [2020-07-21 22:56:11,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:56:11,179 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,179 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,179 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,180 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,180 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,180 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:56:11,180 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:56:11,180 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:56:11,181 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:56:11,182 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:56:11,183 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,184 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:56:11,185 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,186 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:56:11,187 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,188 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:56:11,189 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:56:11,190 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,191 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:56:11,192 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,193 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:56:11,194 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,195 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,196 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (not (= 1 ~a21~0)))) (let ((.cse14 (<= ~a28~0 10)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse11)) (.cse6 (<= |old(~a28~0)| ~a28~0))) (let ((.cse9 (and (<= ~a17~0 |old(~a17~0)|) .cse14 .cse4 .cse5 .cse6)) (.cse8 (not (<= |old(~a28~0)| 10))) (.cse2 (<= ~a17~0 8)) (.cse3 (<= 8 ~a17~0)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse13 (<= ~a11~0 |old(~a11~0)|)) (.cse10 (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|)))) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9 .cse7) (or (not (< 7 |old(~a28~0)|)) .cse8 .cse9 (not (<= |old(~a17~0)| 7))) (or .cse0 (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) .cse10 .cse11 .cse12 (and (<= ~a25~0 0) (= 7 ~a28~0))) (or .cse13 .cse8 .cse1 .cse7 .cse11 .cse12) (or .cse8 (and .cse2 .cse3 .cse14 .cse4 .cse6) .cse1 .cse7) (or .cse0 (not (= 11 |old(~a28~0)|)) .cse1 (not (= 1 |old(~a25~0)|)) (and .cse13 (= 11 ~a28~0) (= 1 ~a25~0)) .cse10 .cse7 .cse11 .cse12))))) [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:56:11,197 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,198 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:56:11,199 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:56:11,200 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:56:11,201 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:56:11,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:56:11,203 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 22:56:11,203 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:56:11,203 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:56:11,203 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)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a11~0 |old(~a11~0)|) (<= ~a25~0 0) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 22:56:11,203 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse2 .cse1 .cse3) (not (= 1 ~a21~0)) (and (< 7 ~a28~0) .cse3 (<= ~a17~0 7)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse3))) [2020-07-21 22:56:11,203 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:56:11,203 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:56:11,204 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse2 .cse1 .cse3) (not (= 1 ~a21~0)) (and (< 7 ~a28~0) .cse3 (<= ~a17~0 7)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse3))) [2020-07-21 22:56:11,204 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:56:11,204 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:56:11,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:56:11 BoogieIcfgContainer [2020-07-21 22:56:11,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:56:11,227 INFO L168 Benchmark]: Toolchain (without parser) took 22334.87 ms. Allocated memory was 145.2 MB in the beginning and 506.5 MB in the end (delta: 361.2 MB). Free memory was 100.3 MB in the beginning and 449.3 MB in the end (delta: -349.0 MB). Peak memory consumption was 346.3 MB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,228 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.43 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 170.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,230 INFO L168 Benchmark]: Boogie Preprocessor took 103.74 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,230 INFO L168 Benchmark]: RCFGBuilder took 1256.86 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 180.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,231 INFO L168 Benchmark]: TraceAbstraction took 20263.23 ms. Allocated memory was 237.5 MB in the beginning and 506.5 MB in the end (delta: 269.0 MB). Free memory was 180.6 MB in the beginning and 449.3 MB in the end (delta: -268.6 MB). Peak memory consumption was 334.4 MB. Max. memory is 7.1 GB. [2020-07-21 22:56:11,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.43 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 170.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.74 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1256.86 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 180.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20263.23 ms. Allocated memory was 237.5 MB in the beginning and 506.5 MB in the end (delta: 269.0 MB). Free memory was 180.6 MB in the beginning and 449.3 MB in the end (delta: -268.6 MB). Peak memory consumption was 334.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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)) || ((1 == a19 && a17 <= 8) && 8 <= a17)) || !(8 == \old(a17))) || !(7 == \old(a28))) || !(\old(a25) <= 0)) || ((8 <= a17 && a17 <= 8) && a28 <= 10)) || !(1 == a21)) || ((7 < a28 && a28 <= 10) && a17 <= 7)) || !(\old(a11) <= 0)) || ((1 == a19 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 622 SDtfs, 5078 SDslu, 785 SDs, 0 SdLazy, 8449 SolverSat, 1114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2442 GetRequests, 2312 SyntacticMatches, 10 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1822occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 124 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 72 PreInvPairs, 114 NumberOfFragments, 490 HoareAnnotationTreeSize, 72 FomulaSimplifications, 2827 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1471 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2373 ConstructedInterpolants, 0 QuantifiedInterpolants, 2596754 SizeOfPredicates, 53 NumberOfNonLiveVariables, 2786 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 759/806 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...