/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:42:26,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:42:26,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:42:26,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:42:26,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:42:26,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:42:26,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:42:26,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:42:26,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:42:26,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:42:26,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:42:26,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:42:26,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:42:26,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:42:26,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:42:26,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:42:26,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:42:26,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:42:26,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:42:26,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:42:26,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:42:26,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:42:26,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:42:26,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:42:26,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:42:26,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:42:26,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:42:26,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:42:26,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:42:26,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:42:26,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:42:26,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:42:26,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:42:26,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:42:26,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:42:26,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:42:26,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:42:26,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:42:26,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:42:26,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:42:26,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:42:26,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:42:26,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:42:26,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:42:26,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:42:26,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:42:26,166 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:42:26,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:42:26,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:42:26,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:42:26,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:42:26,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:42:26,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:42:26,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:42:26,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:42:26,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:42:26,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:42:26,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:42:26,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:42:26,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:42:26,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:42:26,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:42:26,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:42:26,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:42:26,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:42:26,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:42:26,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:42:26,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:42:26,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:42:26,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:42:26,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:42:26,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:42:26,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:42:26,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:42:26,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:42:26,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:42:26,522 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:42:26,524 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-20 01:42:26,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a90c0bd0/6288b6fb53ad44ea98e94461e59aa31e/FLAG6903df514 [2020-07-20 01:42:27,362 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:42:27,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-20 01:42:27,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a90c0bd0/6288b6fb53ad44ea98e94461e59aa31e/FLAG6903df514 [2020-07-20 01:42:27,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a90c0bd0/6288b6fb53ad44ea98e94461e59aa31e [2020-07-20 01:42:27,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:42:27,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:42:27,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:42:27,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:42:27,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:42:27,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:42:27" (1/1) ... [2020-07-20 01:42:27,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4dbc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:27, skipping insertion in model container [2020-07-20 01:42:27,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:42:27" (1/1) ... [2020-07-20 01:42:27,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:42:27,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:42:28,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:42:28,535 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:42:28,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:42:28,742 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:42:28,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28 WrapperNode [2020-07-20 01:42:28,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:42:28,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:42:28,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:42:28,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:42:28,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... [2020-07-20 01:42:28,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:42:28,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:42:28,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:42:28,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:42:28,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:42:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:42:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:42:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:42:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:42:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:42:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:42:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:42:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:42:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:42:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:42:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:42:31,278 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:42:31,278 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:42:31,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:42:31 BoogieIcfgContainer [2020-07-20 01:42:31,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:42:31,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:42:31,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:42:31,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:42:31,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:42:27" (1/3) ... [2020-07-20 01:42:31,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c48f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:42:31, skipping insertion in model container [2020-07-20 01:42:31,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:42:28" (2/3) ... [2020-07-20 01:42:31,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c48f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:42:31, skipping insertion in model container [2020-07-20 01:42:31,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:42:31" (3/3) ... [2020-07-20 01:42:31,311 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-07-20 01:42:31,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:42:31,343 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:42:31,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:42:31,387 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:42:31,387 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:42:31,387 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:42:31,387 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:42:31,388 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:42:31,388 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:42:31,388 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:42:31,388 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:42:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 01:42:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 01:42:31,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:31,425 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] [2020-07-20 01:42:31,426 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-07-20 01:42:31,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:31,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567177949] [2020-07-20 01:42:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:31,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567177949] [2020-07-20 01:42:31,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:42:31,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:42:31,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383099029] [2020-07-20 01:42:31,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:42:31,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:31,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:42:31,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:42:31,926 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-20 01:42:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:36,908 INFO L93 Difference]: Finished difference Result 902 states and 1625 transitions. [2020-07-20 01:42:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:42:36,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-20 01:42:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:36,960 INFO L225 Difference]: With dead ends: 902 [2020-07-20 01:42:36,961 INFO L226 Difference]: Without dead ends: 564 [2020-07-20 01:42:36,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:42:37,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-20 01:42:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 376. [2020-07-20 01:42:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-07-20 01:42:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2020-07-20 01:42:37,116 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 56 [2020-07-20 01:42:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:37,117 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2020-07-20 01:42:37,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:42:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2020-07-20 01:42:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 01:42:37,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:37,127 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:42:37,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:42:37,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:37,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:37,129 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-07-20 01:42:37,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:37,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855951812] [2020-07-20 01:42:37,130 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:37,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855951812] [2020-07-20 01:42:37,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:42:37,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:42:37,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184515620] [2020-07-20 01:42:37,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:42:37,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:37,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:42:37,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:42:37,566 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 8 states. [2020-07-20 01:42:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:40,277 INFO L93 Difference]: Finished difference Result 1134 states and 1534 transitions. [2020-07-20 01:42:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:42:40,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-07-20 01:42:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:40,287 INFO L225 Difference]: With dead ends: 1134 [2020-07-20 01:42:40,288 INFO L226 Difference]: Without dead ends: 764 [2020-07-20 01:42:40,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:42:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-07-20 01:42:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 564. [2020-07-20 01:42:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-07-20 01:42:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 750 transitions. [2020-07-20 01:42:40,381 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 750 transitions. Word has length 139 [2020-07-20 01:42:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:40,385 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 750 transitions. [2020-07-20 01:42:40,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:42:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 750 transitions. [2020-07-20 01:42:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 01:42:40,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:40,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:42:40,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:42:40,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:40,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:40,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1050217491, now seen corresponding path program 1 times [2020-07-20 01:42:40,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:40,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895454837] [2020-07-20 01:42:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:40,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895454837] [2020-07-20 01:42:40,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847554976] [2020-07-20 01:42:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f282b41 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:40,864 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f282b41 issued 4 check-sat command(s) [2020-07-20 01:42:40,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:40,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:40,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:40,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:40,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 01:42:40,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797069082] [2020-07-20 01:42:40,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:40,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:40,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:40,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:42:40,974 INFO L87 Difference]: Start difference. First operand 564 states and 750 transitions. Second operand 3 states. [2020-07-20 01:42:42,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:42,153 INFO L93 Difference]: Finished difference Result 1674 states and 2258 transitions. [2020-07-20 01:42:42,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:42,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-07-20 01:42:42,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:42,164 INFO L225 Difference]: With dead ends: 1674 [2020-07-20 01:42:42,164 INFO L226 Difference]: Without dead ends: 1116 [2020-07-20 01:42:42,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:42:42,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-07-20 01:42:42,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-07-20 01:42:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-07-20 01:42:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1450 transitions. [2020-07-20 01:42:42,226 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1450 transitions. Word has length 165 [2020-07-20 01:42:42,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:42,227 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1450 transitions. [2020-07-20 01:42:42,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1450 transitions. [2020-07-20 01:42:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-20 01:42:42,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:42,232 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 01:42:42,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 01:42:42,446 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:42,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:42,447 INFO L82 PathProgramCache]: Analyzing trace with hash 502777661, now seen corresponding path program 1 times [2020-07-20 01:42:42,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:42,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730402591] [2020-07-20 01:42:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:42,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730402591] [2020-07-20 01:42:42,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573445873] [2020-07-20 01:42:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7084d3a2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:42,860 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7084d3a2 issued 4 check-sat command(s) [2020-07-20 01:42:42,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:42,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:42:42,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:42,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:42,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 01:42:42,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982814843] [2020-07-20 01:42:42,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:42:42,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:42,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:42:42,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:42:42,948 INFO L87 Difference]: Start difference. First operand 1116 states and 1450 transitions. Second operand 3 states. [2020-07-20 01:42:43,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:43,968 INFO L93 Difference]: Finished difference Result 1856 states and 2488 transitions. [2020-07-20 01:42:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:42:43,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-20 01:42:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:43,985 INFO L225 Difference]: With dead ends: 1856 [2020-07-20 01:42:43,985 INFO L226 Difference]: Without dead ends: 1854 [2020-07-20 01:42:43,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:42:43,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2020-07-20 01:42:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1304. [2020-07-20 01:42:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-07-20 01:42:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1769 transitions. [2020-07-20 01:42:44,055 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1769 transitions. Word has length 189 [2020-07-20 01:42:44,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:44,056 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1769 transitions. [2020-07-20 01:42:44,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:42:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1769 transitions. [2020-07-20 01:42:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-20 01:42:44,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:44,060 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 01:42:44,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:44,276 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:44,276 INFO L82 PathProgramCache]: Analyzing trace with hash 837695806, now seen corresponding path program 1 times [2020-07-20 01:42:44,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:44,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999636944] [2020-07-20 01:42:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 98 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:42:44,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999636944] [2020-07-20 01:42:44,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277310932] [2020-07-20 01:42:44,531 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c62957d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:44,654 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c62957d issued 4 check-sat command(s) [2020-07-20 01:42:44,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:42:44,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-20 01:42:44,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:44,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-20 01:42:44,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840554510] [2020-07-20 01:42:44,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:42:44,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:44,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:42:44,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:42:44,795 INFO L87 Difference]: Start difference. First operand 1304 states and 1769 transitions. Second operand 5 states. [2020-07-20 01:42:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:46,351 INFO L93 Difference]: Finished difference Result 3194 states and 4515 transitions. [2020-07-20 01:42:46,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:42:46,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-07-20 01:42:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:46,369 INFO L225 Difference]: With dead ends: 3194 [2020-07-20 01:42:46,369 INFO L226 Difference]: Without dead ends: 1896 [2020-07-20 01:42:46,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:42:46,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-07-20 01:42:46,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1870. [2020-07-20 01:42:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2020-07-20 01:42:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2428 transitions. [2020-07-20 01:42:46,452 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2428 transitions. Word has length 209 [2020-07-20 01:42:46,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:46,452 INFO L479 AbstractCegarLoop]: Abstraction has 1870 states and 2428 transitions. [2020-07-20 01:42:46,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:42:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2428 transitions. [2020-07-20 01:42:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 01:42:46,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:46,457 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:42:46,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:46,673 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash -456723841, now seen corresponding path program 1 times [2020-07-20 01:42:46,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:46,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765454737] [2020-07-20 01:42:46,675 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:42:47,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765454737] [2020-07-20 01:42:47,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830789702] [2020-07-20 01:42:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c588db6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:47,471 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c588db6 issued 4 check-sat command(s) [2020-07-20 01:42:47,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:47,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:42:47,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:47,597 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:42:47,598 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:47,599 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:47,647 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-20 01:42:47,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:42:47,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2020-07-20 01:42:47,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442237444] [2020-07-20 01:42:47,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:42:47,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:47,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:42:47,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:42:47,798 INFO L87 Difference]: Start difference. First operand 1870 states and 2428 transitions. Second operand 5 states. [2020-07-20 01:42:49,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:49,927 INFO L93 Difference]: Finished difference Result 4298 states and 5508 transitions. [2020-07-20 01:42:49,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:42:49,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-20 01:42:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:49,947 INFO L225 Difference]: With dead ends: 4298 [2020-07-20 01:42:49,948 INFO L226 Difference]: Without dead ends: 2434 [2020-07-20 01:42:49,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:42:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2020-07-20 01:42:50,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2422. [2020-07-20 01:42:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2020-07-20 01:42:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3032 transitions. [2020-07-20 01:42:50,032 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3032 transitions. Word has length 212 [2020-07-20 01:42:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:50,032 INFO L479 AbstractCegarLoop]: Abstraction has 2422 states and 3032 transitions. [2020-07-20 01:42:50,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:42:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3032 transitions. [2020-07-20 01:42:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-20 01:42:50,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:50,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:42:50,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:50,252 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:50,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:50,253 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-07-20 01:42:50,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:50,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064819870] [2020-07-20 01:42:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 128 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:42:50,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064819870] [2020-07-20 01:42:50,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370282852] [2020-07-20 01:42:50,762 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e5c0b58 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:50,918 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e5c0b58 issued 4 check-sat command(s) [2020-07-20 01:42:50,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:50,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:42:50,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:51,039 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:42:51,040 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:51,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:51,071 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:42:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:42:51,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:42:51,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-20 01:42:51,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40343938] [2020-07-20 01:42:51,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 01:42:51,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:51,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 01:42:51,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:42:51,285 INFO L87 Difference]: Start difference. First operand 2422 states and 3032 transitions. Second operand 14 states. [2020-07-20 01:42:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:42:56,322 INFO L93 Difference]: Finished difference Result 4945 states and 6250 transitions. [2020-07-20 01:42:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-20 01:42:56,323 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 223 [2020-07-20 01:42:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:42:56,340 INFO L225 Difference]: With dead ends: 4945 [2020-07-20 01:42:56,341 INFO L226 Difference]: Without dead ends: 2846 [2020-07-20 01:42:56,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 01:42:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2020-07-20 01:42:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2796. [2020-07-20 01:42:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2020-07-20 01:42:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3224 transitions. [2020-07-20 01:42:56,443 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3224 transitions. Word has length 223 [2020-07-20 01:42:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:42:56,444 INFO L479 AbstractCegarLoop]: Abstraction has 2796 states and 3224 transitions. [2020-07-20 01:42:56,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 01:42:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3224 transitions. [2020-07-20 01:42:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-20 01:42:56,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:42:56,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:42:56,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 01:42:56,667 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:42:56,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:42:56,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1026423962, now seen corresponding path program 1 times [2020-07-20 01:42:56,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:42:56,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547953324] [2020-07-20 01:42:56,669 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:42:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:42:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 245 proven. 94 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-07-20 01:42:57,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547953324] [2020-07-20 01:42:57,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343564444] [2020-07-20 01:42:57,718 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fa1a29a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:42:57,902 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6fa1a29a issued 4 check-sat command(s) [2020-07-20 01:42:57,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:42:57,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:42:57,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:42:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-20 01:42:58,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:42:58,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-20 01:42:58,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028682186] [2020-07-20 01:42:58,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:42:58,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:42:58,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:42:58,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:42:58,037 INFO L87 Difference]: Start difference. First operand 2796 states and 3224 transitions. Second operand 13 states. [2020-07-20 01:43:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:05,526 INFO L93 Difference]: Finished difference Result 6366 states and 7549 transitions. [2020-07-20 01:43:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 01:43:05,527 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 358 [2020-07-20 01:43:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:05,546 INFO L225 Difference]: With dead ends: 6366 [2020-07-20 01:43:05,546 INFO L226 Difference]: Without dead ends: 3942 [2020-07-20 01:43:05,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=469, Invalid=2287, Unknown=0, NotChecked=0, Total=2756 [2020-07-20 01:43:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2020-07-20 01:43:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3184. [2020-07-20 01:43:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-07-20 01:43:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3716 transitions. [2020-07-20 01:43:05,659 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3716 transitions. Word has length 358 [2020-07-20 01:43:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:05,660 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 3716 transitions. [2020-07-20 01:43:05,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:43:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3716 transitions. [2020-07-20 01:43:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-07-20 01:43:05,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:05,672 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:05,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:05,888 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1567093203, now seen corresponding path program 1 times [2020-07-20 01:43:05,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:05,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610427789] [2020-07-20 01:43:05,891 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 448 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-07-20 01:43:06,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610427789] [2020-07-20 01:43:06,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235855192] [2020-07-20 01:43:06,788 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a5d4950 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:07,012 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6a5d4950 issued 4 check-sat command(s) [2020-07-20 01:43:07,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:07,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:43:07,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:07,082 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:43:07,082 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:07,083 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:07,112 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 449 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-07-20 01:43:07,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:43:07,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:43:07,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462014783] [2020-07-20 01:43:07,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:43:07,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:07,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:43:07,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:43:07,243 INFO L87 Difference]: Start difference. First operand 3184 states and 3716 transitions. Second operand 10 states. [2020-07-20 01:43:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:11,012 INFO L93 Difference]: Finished difference Result 6271 states and 7338 transitions. [2020-07-20 01:43:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-20 01:43:11,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 442 [2020-07-20 01:43:11,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:11,031 INFO L225 Difference]: With dead ends: 6271 [2020-07-20 01:43:11,031 INFO L226 Difference]: Without dead ends: 3054 [2020-07-20 01:43:11,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-07-20 01:43:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2020-07-20 01:43:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3000. [2020-07-20 01:43:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3000 states. [2020-07-20 01:43:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 3326 transitions. [2020-07-20 01:43:11,125 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 3326 transitions. Word has length 442 [2020-07-20 01:43:11,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:11,125 INFO L479 AbstractCegarLoop]: Abstraction has 3000 states and 3326 transitions. [2020-07-20 01:43:11,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:43:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3326 transitions. [2020-07-20 01:43:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2020-07-20 01:43:11,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:11,141 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:11,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:11,356 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:11,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:11,357 INFO L82 PathProgramCache]: Analyzing trace with hash 808508418, now seen corresponding path program 1 times [2020-07-20 01:43:11,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:11,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016677397] [2020-07-20 01:43:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 828 proven. 104 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-20 01:43:12,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016677397] [2020-07-20 01:43:12,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868273686] [2020-07-20 01:43:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42dc2cc0 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:12,857 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42dc2cc0 issued 4 check-sat command(s) [2020-07-20 01:43:12,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:12,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:43:12,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:12,936 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:43:12,937 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:12,938 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-20 01:43:12,938 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:13,015 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 574 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-07-20 01:43:13,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:43:13,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-07-20 01:43:13,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754067103] [2020-07-20 01:43:13,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 01:43:13,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:13,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 01:43:13,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:43:13,218 INFO L87 Difference]: Start difference. First operand 3000 states and 3326 transitions. Second operand 14 states. [2020-07-20 01:43:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:20,819 INFO L93 Difference]: Finished difference Result 7187 states and 8077 transitions. [2020-07-20 01:43:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 01:43:20,820 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 548 [2020-07-20 01:43:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:20,836 INFO L225 Difference]: With dead ends: 7187 [2020-07-20 01:43:20,836 INFO L226 Difference]: Without dead ends: 3976 [2020-07-20 01:43:20,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=422, Invalid=1648, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:43:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2020-07-20 01:43:20,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3744. [2020-07-20 01:43:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-07-20 01:43:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 4064 transitions. [2020-07-20 01:43:20,934 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 4064 transitions. Word has length 548 [2020-07-20 01:43:20,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:20,935 INFO L479 AbstractCegarLoop]: Abstraction has 3744 states and 4064 transitions. [2020-07-20 01:43:20,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 01:43:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 4064 transitions. [2020-07-20 01:43:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2020-07-20 01:43:20,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:20,965 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:21,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:43:21,180 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:21,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:21,181 INFO L82 PathProgramCache]: Analyzing trace with hash 263555200, now seen corresponding path program 1 times [2020-07-20 01:43:21,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:21,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944207716] [2020-07-20 01:43:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 650 proven. 221 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2020-07-20 01:43:22,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944207716] [2020-07-20 01:43:22,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700227856] [2020-07-20 01:43:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6998dd7c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:23,173 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6998dd7c issued 4 check-sat command(s) [2020-07-20 01:43:23,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:23,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:43:23,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 1504 trivial. 0 not checked. [2020-07-20 01:43:23,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:43:23,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 01:43:23,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557537593] [2020-07-20 01:43:23,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:43:23,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:23,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:43:23,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:43:23,464 INFO L87 Difference]: Start difference. First operand 3744 states and 4064 transitions. Second operand 3 states. [2020-07-20 01:43:24,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:24,417 INFO L93 Difference]: Finished difference Result 5212 states and 5797 transitions. [2020-07-20 01:43:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:43:24,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 777 [2020-07-20 01:43:24,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:24,443 INFO L225 Difference]: With dead ends: 5212 [2020-07-20 01:43:24,443 INFO L226 Difference]: Without dead ends: 5210 [2020-07-20 01:43:24,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 791 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:43:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2020-07-20 01:43:24,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 3930. [2020-07-20 01:43:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3930 states. [2020-07-20 01:43:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3930 states and 4293 transitions. [2020-07-20 01:43:24,586 INFO L78 Accepts]: Start accepts. Automaton has 3930 states and 4293 transitions. Word has length 777 [2020-07-20 01:43:24,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:24,589 INFO L479 AbstractCegarLoop]: Abstraction has 3930 states and 4293 transitions. [2020-07-20 01:43:24,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:43:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 4293 transitions. [2020-07-20 01:43:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2020-07-20 01:43:24,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:24,606 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:24,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:24,820 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:24,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:24,821 INFO L82 PathProgramCache]: Analyzing trace with hash -398342493, now seen corresponding path program 1 times [2020-07-20 01:43:24,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:24,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15754875] [2020-07-20 01:43:24,823 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 650 proven. 224 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2020-07-20 01:43:26,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15754875] [2020-07-20 01:43:26,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136602921] [2020-07-20 01:43:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ebc7745 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:27,194 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ebc7745 issued 4 check-sat command(s) [2020-07-20 01:43:27,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:27,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:43:27,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:27,277 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:43:27,277 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:27,279 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:27,315 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:43:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 1321 proven. 2 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2020-07-20 01:43:27,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:43:27,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-20 01:43:27,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039775727] [2020-07-20 01:43:27,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:43:27,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:43:27,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:43:27,624 INFO L87 Difference]: Start difference. First operand 3930 states and 4293 transitions. Second operand 12 states. [2020-07-20 01:43:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:31,856 INFO L93 Difference]: Finished difference Result 8598 states and 9391 transitions. [2020-07-20 01:43:31,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 01:43:31,857 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 780 [2020-07-20 01:43:31,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:31,874 INFO L225 Difference]: With dead ends: 8598 [2020-07-20 01:43:31,875 INFO L226 Difference]: Without dead ends: 4856 [2020-07-20 01:43:31,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 803 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2020-07-20 01:43:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4856 states. [2020-07-20 01:43:31,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4856 to 3750. [2020-07-20 01:43:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3750 states. [2020-07-20 01:43:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3750 states and 4101 transitions. [2020-07-20 01:43:31,983 INFO L78 Accepts]: Start accepts. Automaton has 3750 states and 4101 transitions. Word has length 780 [2020-07-20 01:43:31,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:31,984 INFO L479 AbstractCegarLoop]: Abstraction has 3750 states and 4101 transitions. [2020-07-20 01:43:31,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:43:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 4101 transitions. [2020-07-20 01:43:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-07-20 01:43:31,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:31,997 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 01:43:32,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:32,213 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:32,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:32,214 INFO L82 PathProgramCache]: Analyzing trace with hash 882317274, now seen corresponding path program 1 times [2020-07-20 01:43:32,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:32,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826385456] [2020-07-20 01:43:32,215 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1842 backedges. 657 proven. 224 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2020-07-20 01:43:33,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826385456] [2020-07-20 01:43:33,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737817260] [2020-07-20 01:43:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@157a3328 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:33,986 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@157a3328 issued 4 check-sat command(s) [2020-07-20 01:43:33,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:43:34,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1842 backedges. 719 proven. 2 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2020-07-20 01:43:34,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:43:34,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-20 01:43:34,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773324946] [2020-07-20 01:43:34,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 01:43:34,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:34,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 01:43:34,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:43:34,778 INFO L87 Difference]: Start difference. First operand 3750 states and 4101 transitions. Second operand 13 states. [2020-07-20 01:43:35,518 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-07-20 01:43:37,133 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-07-20 01:43:39,470 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-07-20 01:43:41,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:41,613 INFO L93 Difference]: Finished difference Result 9166 states and 10213 transitions. [2020-07-20 01:43:41,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-20 01:43:41,615 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 787 [2020-07-20 01:43:41,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:41,639 INFO L225 Difference]: With dead ends: 9166 [2020-07-20 01:43:41,639 INFO L226 Difference]: Without dead ends: 5606 [2020-07-20 01:43:41,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 815 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-07-20 01:43:41,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5606 states. [2020-07-20 01:43:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 5232. [2020-07-20 01:43:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2020-07-20 01:43:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 5723 transitions. [2020-07-20 01:43:41,792 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 5723 transitions. Word has length 787 [2020-07-20 01:43:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:41,793 INFO L479 AbstractCegarLoop]: Abstraction has 5232 states and 5723 transitions. [2020-07-20 01:43:41,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 01:43:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 5723 transitions. [2020-07-20 01:43:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2020-07-20 01:43:41,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:41,810 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:42,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:43:42,024 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:42,025 INFO L82 PathProgramCache]: Analyzing trace with hash -961571631, now seen corresponding path program 1 times [2020-07-20 01:43:42,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:42,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86612057] [2020-07-20 01:43:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1883 backedges. 808 proven. 85 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2020-07-20 01:43:43,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86612057] [2020-07-20 01:43:43,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185039722] [2020-07-20 01:43:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74dbdfe9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:43,420 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74dbdfe9 issued 4 check-sat command(s) [2020-07-20 01:43:43,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:43,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:43:43,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1883 backedges. 1176 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2020-07-20 01:43:43,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:43:43,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 01:43:43,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834011934] [2020-07-20 01:43:43,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:43:43,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:43,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:43:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:43:43,818 INFO L87 Difference]: Start difference. First operand 5232 states and 5723 transitions. Second operand 8 states. [2020-07-20 01:43:45,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:45,784 INFO L93 Difference]: Finished difference Result 12118 states and 13411 transitions. [2020-07-20 01:43:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:43:45,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 816 [2020-07-20 01:43:45,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:45,809 INFO L225 Difference]: With dead ends: 12118 [2020-07-20 01:43:45,809 INFO L226 Difference]: Without dead ends: 7076 [2020-07-20 01:43:45,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:43:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2020-07-20 01:43:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 6338. [2020-07-20 01:43:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6338 states. [2020-07-20 01:43:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 7007 transitions. [2020-07-20 01:43:46,051 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 7007 transitions. Word has length 816 [2020-07-20 01:43:46,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:46,052 INFO L479 AbstractCegarLoop]: Abstraction has 6338 states and 7007 transitions. [2020-07-20 01:43:46,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:43:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 7007 transitions. [2020-07-20 01:43:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2020-07-20 01:43:46,074 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:46,075 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:46,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 01:43:46,283 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1789439753, now seen corresponding path program 1 times [2020-07-20 01:43:46,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:46,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643640568] [2020-07-20 01:43:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:47,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 351 proven. 28 refuted. 0 times theorem prover too weak. 2013 trivial. 0 not checked. [2020-07-20 01:43:47,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643640568] [2020-07-20 01:43:47,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603468023] [2020-07-20 01:43:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@131cac23 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:47,686 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@131cac23 issued 4 check-sat command(s) [2020-07-20 01:43:47,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:47,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:43:47,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2020-07-20 01:43:48,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:43:48,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-20 01:43:48,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929231081] [2020-07-20 01:43:48,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:43:48,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:48,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:43:48,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:43:48,037 INFO L87 Difference]: Start difference. First operand 6338 states and 7007 transitions. Second operand 3 states. [2020-07-20 01:43:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:48,936 INFO L93 Difference]: Finished difference Result 7432 states and 8190 transitions. [2020-07-20 01:43:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:43:48,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 871 [2020-07-20 01:43:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:48,958 INFO L225 Difference]: With dead ends: 7432 [2020-07-20 01:43:48,958 INFO L226 Difference]: Without dead ends: 7430 [2020-07-20 01:43:48,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 893 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:43:48,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7430 states. [2020-07-20 01:43:49,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7430 to 6156. [2020-07-20 01:43:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6156 states. [2020-07-20 01:43:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 6793 transitions. [2020-07-20 01:43:49,104 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 6793 transitions. Word has length 871 [2020-07-20 01:43:49,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:49,105 INFO L479 AbstractCegarLoop]: Abstraction has 6156 states and 6793 transitions. [2020-07-20 01:43:49,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:43:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 6793 transitions. [2020-07-20 01:43:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2020-07-20 01:43:49,120 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:49,120 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:49,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-20 01:43:49,336 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:49,337 INFO L82 PathProgramCache]: Analyzing trace with hash -134669819, now seen corresponding path program 1 times [2020-07-20 01:43:49,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:49,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063705980] [2020-07-20 01:43:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2020-07-20 01:43:50,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063705980] [2020-07-20 01:43:50,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350168632] [2020-07-20 01:43:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bd0cc13 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:50,657 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bd0cc13 issued 4 check-sat command(s) [2020-07-20 01:43:50,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:50,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:43:50,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2020-07-20 01:43:51,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:43:51,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:43:51,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455114402] [2020-07-20 01:43:51,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:43:51,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:51,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:43:51,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:43:51,212 INFO L87 Difference]: Start difference. First operand 6156 states and 6793 transitions. Second operand 3 states. [2020-07-20 01:43:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:52,200 INFO L93 Difference]: Finished difference Result 13216 states and 14600 transitions. [2020-07-20 01:43:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:43:52,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 889 [2020-07-20 01:43:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:52,237 INFO L225 Difference]: With dead ends: 13216 [2020-07-20 01:43:52,237 INFO L226 Difference]: Without dead ends: 7250 [2020-07-20 01:43:52,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 906 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:43:52,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2020-07-20 01:43:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 6340. [2020-07-20 01:43:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6340 states. [2020-07-20 01:43:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6340 states to 6340 states and 6993 transitions. [2020-07-20 01:43:52,421 INFO L78 Accepts]: Start accepts. Automaton has 6340 states and 6993 transitions. Word has length 889 [2020-07-20 01:43:52,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:52,423 INFO L479 AbstractCegarLoop]: Abstraction has 6340 states and 6993 transitions. [2020-07-20 01:43:52,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:43:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 6340 states and 6993 transitions. [2020-07-20 01:43:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2020-07-20 01:43:52,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:43:52,451 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:43:52,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:52,666 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:43:52,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:43:52,667 INFO L82 PathProgramCache]: Analyzing trace with hash 898961330, now seen corresponding path program 1 times [2020-07-20 01:43:52,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:43:52,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764077301] [2020-07-20 01:43:52,668 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@240e0036 [2020-07-20 01:43:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:43:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 1363 proven. 246 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2020-07-20 01:43:54,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764077301] [2020-07-20 01:43:54,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946128575] [2020-07-20 01:43:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@795bf410 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:43:54,411 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@795bf410 issued 4 check-sat command(s) [2020-07-20 01:43:54,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:43:54,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:43:54,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:43:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2020-07-20 01:43:55,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:43:55,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-20 01:43:55,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779368253] [2020-07-20 01:43:55,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:43:55,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:43:55,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:43:55,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:43:55,032 INFO L87 Difference]: Start difference. First operand 6340 states and 6993 transitions. Second operand 3 states. [2020-07-20 01:43:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:43:55,995 INFO L93 Difference]: Finished difference Result 12854 states and 14179 transitions. [2020-07-20 01:43:56,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:43:56,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1033 [2020-07-20 01:43:56,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:43:56,002 INFO L225 Difference]: With dead ends: 12854 [2020-07-20 01:43:56,002 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:43:56,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1057 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:43:56,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:43:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:43:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:43:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:43:56,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1033 [2020-07-20 01:43:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:43:56,025 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:43:56,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:43:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:43:56,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:43:56,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-07-20 01:43:56,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:43:57,712 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2020-07-20 01:43:58,239 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2020-07-20 01:43:58,405 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 30 [2020-07-20 01:44:00,871 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 387 DAG size of output: 53 [2020-07-20 01:44:02,439 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 283 DAG size of output: 51 [2020-07-20 01:44:03,897 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 283 DAG size of output: 51 [2020-07-20 01:44:03,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:44:03,902 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-20 01:44:03,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:44:03,902 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 01:44:03,902 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,903 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,904 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 01:44:03,905 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 01:44:03,906 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 01:44:03,907 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 01:44:03,908 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,909 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 01:44:03,910 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 01:44:03,911 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse5 (= ~a12~0 |old(~a12~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse4 (= 1 |old(~a24~0)|))) (let ((.cse1 (= 5 |old(~a15~0)|)) (.cse0 (not .cse4)) (.cse2 (and .cse5 (= 1 ~a24~0) .cse6 .cse7)) (.cse3 (not (<= |old(~a15~0)| 5)))) (and (or .cse0 .cse1 (not (<= |old(~a12~0)| 76)) .cse2) (or (and (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 .cse1 (not (<= |old(~a21~0)| 9)))) .cse2) (or .cse0 .cse3 .cse2 (and (= 7 |old(~a21~0)|) (not (< 0 (+ |old(~a12~0)| 43))))) (or .cse4 (and .cse5 (= ~a24~0 |old(~a24~0)|) .cse6 .cse7) (not (<= (+ |old(~a12~0)| 49) 0)) .cse3 (not (<= |old(~a21~0)| 7)))))) [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,912 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,913 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,914 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 01:44:03,915 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 01:44:03,916 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 01:44:03,917 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,918 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,919 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,920 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,921 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,922 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 01:44:03,923 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 01:44:03,924 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,925 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,926 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 01:44:03,927 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 01:44:03,928 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 01:44:03,929 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 01:44:03,929 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:44:03,929 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (= 1 ~a24~0) (<= 7 ~a21~0) (<= ~a21~0 7) (<= 8 ~a15~0)) [2020-07-20 01:44:03,929 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:44:03,929 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:44:03,929 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= 1 ~a24~0) (= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (<= 8 |old(~a15~0)|))) [2020-07-20 01:44:03,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 01:44:03,930 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 5)) (.cse2 (not (= 5 ~a15~0))) (.cse0 (= 1 ~a24~0))) (or (and (<= 7 ~a15~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse1 .cse0 (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and (<= ~a12~0 76) .cse2 .cse0) (not (<= |old(~a15~0)| 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (not .cse0) (<= ~a21~0 7)) (and .cse2 .cse0 (<= ~a21~0 9)) (not (<= 8 |old(~a15~0)|)))) [2020-07-20 01:44:03,930 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 01:44:03,930 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 01:44:03,930 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 5)) (.cse2 (not (= 5 ~a15~0))) (.cse0 (= 1 ~a24~0))) (or (and (<= 7 ~a15~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse1 .cse0 (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and (<= ~a12~0 76) .cse2 .cse0) (not (<= |old(~a15~0)| 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (not .cse0) (<= ~a21~0 7)) (and .cse2 .cse0 (<= ~a21~0 9)) (not (<= 8 |old(~a15~0)|)))) [2020-07-20 01:44:03,930 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 01:44:03,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:44:03 BoogieIcfgContainer [2020-07-20 01:44:03,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:44:03,957 INFO L168 Benchmark]: Toolchain (without parser) took 96365.49 ms. Allocated memory was 134.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 95.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,957 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 134.2 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1144.09 ms. Allocated memory was 134.2 MB in the beginning and 203.4 MB in the end (delta: 69.2 MB). Free memory was 95.0 MB in the beginning and 166.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,958 INFO L168 Benchmark]: Boogie Preprocessor took 198.73 ms. Allocated memory is still 203.4 MB. Free memory was 166.0 MB in the beginning and 160.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,959 INFO L168 Benchmark]: RCFGBuilder took 2352.38 ms. Allocated memory was 203.4 MB in the beginning and 228.6 MB in the end (delta: 25.2 MB). Free memory was 160.6 MB in the beginning and 153.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,960 INFO L168 Benchmark]: TraceAbstraction took 92656.00 ms. Allocated memory was 228.6 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 152.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-20 01:44:03,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 134.2 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1144.09 ms. Allocated memory was 134.2 MB in the beginning and 203.4 MB in the end (delta: 69.2 MB). Free memory was 95.0 MB in the beginning and 166.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 198.73 ms. Allocated memory is still 203.4 MB. Free memory was 166.0 MB in the beginning and 160.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2352.38 ms. Allocated memory was 203.4 MB in the beginning and 228.6 MB in the end (delta: 25.2 MB). Free memory was 160.6 MB in the beginning and 153.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92656.00 ms. Allocated memory was 228.6 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 152.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((7 <= a15 && 1 == a24) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(\old(a12) + 49 <= 0)) || ((a15 <= 5 && 1 == a24) && (!(7 == a21) || 0 < a12 + 43))) || ((a12 <= 76 && !(5 == a15)) && 1 == a24)) || !(\old(a15) <= 8)) || (((a12 + 49 <= 0 && a15 <= 5) && !(1 == a24)) && a21 <= 7)) || ((!(5 == a15) && 1 == a24) && a21 <= 9)) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 84.8s, OverallIterations: 17, TraceHistogramMax: 9, AutomataDifference: 54.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 822 SDtfs, 15198 SDslu, 833 SDs, 0 SdLazy, 24877 SolverSat, 3528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8840 GetRequests, 8535 SyntacticMatches, 2 SemanticMatches, 303 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2323 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6340occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 7752 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 258 PreInvPairs, 340 NumberOfFragments, 384 HoareAnnotationTreeSize, 258 FomulaSimplifications, 149926 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 53488 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 16793 NumberOfCodeBlocks, 16793 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 16761 ConstructedInterpolants, 0 QuantifiedInterpolants, 23340243 SizeOfPredicates, 16 NumberOfNonLiveVariables, 12370 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 32 InterpolantComputations, 10 PerfectInterpolantSequences, 35245/36685 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...