./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label30.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 616392cec5fe24044eadb85156c7cc1da6593f04 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 19:45:57,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:45:57,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:45:57,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:45:57,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:45:57,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:45:57,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:45:57,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:45:57,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:45:57,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:45:57,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:45:57,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:45:57,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:45:57,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:45:57,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:45:57,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:45:57,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:45:57,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:45:57,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:45:57,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:45:57,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:45:57,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:45:57,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:45:57,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:45:57,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:45:57,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:45:57,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:45:57,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:45:57,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:45:57,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:45:57,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:45:57,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:45:57,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:45:57,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:45:57,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:45:57,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:45:57,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:45:57,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:45:57,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:45:57,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:45:57,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:45:57,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:45:57,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:45:57,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:45:57,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:45:57,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:45:57,556 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:45:57,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:45:57,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:45:57,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:45:57,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:45:57,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:45:57,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:45:57,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:45:57,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:45:57,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:45:57,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:45:57,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:45:57,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:45:57,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:45:57,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:45:57,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:45:57,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:45:57,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:57,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:45:57,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:45:57,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:45:57,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:45:57,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:45:57,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:45:57,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:45:57,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 616392cec5fe24044eadb85156c7cc1da6593f04 [2020-10-25 19:45:57,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:45:57,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:45:57,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:45:57,991 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:45:57,992 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:45:57,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-10-25 19:45:58,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a38f45eeb/4e342c87075341cc9faf79e2d231b843/FLAGe021a7496 [2020-10-25 19:45:58,798 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:45:58,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-10-25 19:45:58,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a38f45eeb/4e342c87075341cc9faf79e2d231b843/FLAGe021a7496 [2020-10-25 19:45:59,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a38f45eeb/4e342c87075341cc9faf79e2d231b843 [2020-10-25 19:45:59,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:45:59,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:45:59,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:59,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:45:59,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:45:59,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:45:59,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccbbdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59, skipping insertion in model container [2020-10-25 19:45:59,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:45:59,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:45:59,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:45:59,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:59,779 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:45:59,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:59,934 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:45:59,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59 WrapperNode [2020-10-25 19:45:59,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:59,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:59,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:45:59,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:45:59,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:45:59,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:46:00,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:46:00,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:46:00,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:46:00,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (1/1) ... [2020-10-25 19:46:00,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:46:00,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:46:00,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:46:00,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:46:00,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (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 [2020-10-25 19:46:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:46:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:46:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:46:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:46:01,452 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:46:01,452 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:46:01,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:01 BoogieIcfgContainer [2020-10-25 19:46:01,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:46:01,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:46:01,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:46:01,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:46:01,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:45:59" (1/3) ... [2020-10-25 19:46:01,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc00d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:01, skipping insertion in model container [2020-10-25 19:46:01,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:59" (2/3) ... [2020-10-25 19:46:01,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc00d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:01, skipping insertion in model container [2020-10-25 19:46:01,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:01" (3/3) ... [2020-10-25 19:46:01,464 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-10-25 19:46:01,477 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:46:01,482 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:46:01,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:46:01,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:46:01,525 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:46:01,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:46:01,525 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:46:01,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:46:01,525 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:46:01,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:46:01,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:46:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-25 19:46:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-25 19:46:01,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:01,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:01,564 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:01,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:01,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1456307141, now seen corresponding path program 1 times [2020-10-25 19:46:01,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:01,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226797185] [2020-10-25 19:46:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:02,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226797185] [2020-10-25 19:46:02,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:02,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:02,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334475466] [2020-10-25 19:46:02,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:02,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:02,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:02,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:02,168 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-25 19:46:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:03,085 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-10-25 19:46:03,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:03,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-25 19:46:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:03,104 INFO L225 Difference]: With dead ends: 602 [2020-10-25 19:46:03,105 INFO L226 Difference]: Without dead ends: 310 [2020-10-25 19:46:03,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-25 19:46:03,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-25 19:46:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-25 19:46:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-10-25 19:46:03,199 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 128 [2020-10-25 19:46:03,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:03,201 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-10-25 19:46:03,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-10-25 19:46:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-25 19:46:03,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:03,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:03,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:46:03,214 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:03,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:03,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1081663048, now seen corresponding path program 1 times [2020-10-25 19:46:03,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:03,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370049124] [2020-10-25 19:46:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:03,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370049124] [2020-10-25 19:46:03,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:03,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:03,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31775540] [2020-10-25 19:46:03,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:03,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:03,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:03,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:03,450 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-10-25 19:46:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:04,223 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-10-25 19:46:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:04,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-10-25 19:46:04,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:04,232 INFO L225 Difference]: With dead ends: 902 [2020-10-25 19:46:04,233 INFO L226 Difference]: Without dead ends: 594 [2020-10-25 19:46:04,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:04,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-25 19:46:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-10-25 19:46:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-25 19:46:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 752 transitions. [2020-10-25 19:46:04,294 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 752 transitions. Word has length 146 [2020-10-25 19:46:04,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:04,295 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 752 transitions. [2020-10-25 19:46:04,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 752 transitions. [2020-10-25 19:46:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-25 19:46:04,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:04,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:04,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:46:04,299 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:04,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:04,300 INFO L82 PathProgramCache]: Analyzing trace with hash -334772056, now seen corresponding path program 1 times [2020-10-25 19:46:04,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:04,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853139494] [2020-10-25 19:46:04,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:04,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853139494] [2020-10-25 19:46:04,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:04,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:04,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588475156] [2020-10-25 19:46:04,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:04,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:04,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:04,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:04,462 INFO L87 Difference]: Start difference. First operand 592 states and 752 transitions. Second operand 3 states. [2020-10-25 19:46:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:05,026 INFO L93 Difference]: Finished difference Result 1172 states and 1489 transitions. [2020-10-25 19:46:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:05,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-10-25 19:46:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:05,030 INFO L225 Difference]: With dead ends: 1172 [2020-10-25 19:46:05,030 INFO L226 Difference]: Without dead ends: 582 [2020-10-25 19:46:05,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-25 19:46:05,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-10-25 19:46:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-25 19:46:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 699 transitions. [2020-10-25 19:46:05,066 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 699 transitions. Word has length 147 [2020-10-25 19:46:05,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:05,066 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 699 transitions. [2020-10-25 19:46:05,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2020-10-25 19:46:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-25 19:46:05,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:05,071 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:05,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:46:05,071 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:05,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:05,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2078520171, now seen corresponding path program 1 times [2020-10-25 19:46:05,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:05,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306103699] [2020-10-25 19:46:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:05,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306103699] [2020-10-25 19:46:05,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:05,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:05,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289627226] [2020-10-25 19:46:05,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:05,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:05,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:05,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:05,180 INFO L87 Difference]: Start difference. First operand 582 states and 699 transitions. Second operand 3 states. [2020-10-25 19:46:05,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:05,845 INFO L93 Difference]: Finished difference Result 1302 states and 1571 transitions. [2020-10-25 19:46:05,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:05,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-10-25 19:46:05,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:05,850 INFO L225 Difference]: With dead ends: 1302 [2020-10-25 19:46:05,851 INFO L226 Difference]: Without dead ends: 722 [2020-10-25 19:46:05,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:05,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-25 19:46:05,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-10-25 19:46:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-25 19:46:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 854 transitions. [2020-10-25 19:46:05,880 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 854 transitions. Word has length 151 [2020-10-25 19:46:05,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:05,880 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 854 transitions. [2020-10-25 19:46:05,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 854 transitions. [2020-10-25 19:46:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-25 19:46:05,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:05,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:05,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:46:05,888 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:05,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash 649958539, now seen corresponding path program 1 times [2020-10-25 19:46:05,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:05,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716363411] [2020-10-25 19:46:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:06,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716363411] [2020-10-25 19:46:06,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297489152] [2020-10-25 19:46:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-25 19:46:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:06,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:06,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-25 19:46:06,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:06,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:06,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617376067] [2020-10-25 19:46:06,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:06,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:06,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:06,767 INFO L87 Difference]: Start difference. First operand 722 states and 854 transitions. Second operand 3 states. [2020-10-25 19:46:07,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:07,502 INFO L93 Difference]: Finished difference Result 1723 states and 2063 transitions. [2020-10-25 19:46:07,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:07,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-25 19:46:07,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:07,511 INFO L225 Difference]: With dead ends: 1723 [2020-10-25 19:46:07,512 INFO L226 Difference]: Without dead ends: 861 [2020-10-25 19:46:07,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-25 19:46:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-25 19:46:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-25 19:46:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 946 transitions. [2020-10-25 19:46:07,577 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 946 transitions. Word has length 155 [2020-10-25 19:46:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:07,578 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 946 transitions. [2020-10-25 19:46:07,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 946 transitions. [2020-10-25 19:46:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-25 19:46:07,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:07,582 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:07,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:07,796 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:07,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:07,797 INFO L82 PathProgramCache]: Analyzing trace with hash 625012828, now seen corresponding path program 1 times [2020-10-25 19:46:07,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:07,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657473853] [2020-10-25 19:46:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:07,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657473853] [2020-10-25 19:46:07,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428090962] [2020-10-25 19:46:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-25 19:46:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:08,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:08,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-25 19:46:08,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:08,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 19:46:08,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118681654] [2020-10-25 19:46:08,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:08,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:08,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:08,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:08,227 INFO L87 Difference]: Start difference. First operand 861 states and 946 transitions. Second operand 3 states. [2020-10-25 19:46:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:08,814 INFO L93 Difference]: Finished difference Result 2139 states and 2359 transitions. [2020-10-25 19:46:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:08,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-25 19:46:08,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:08,824 INFO L225 Difference]: With dead ends: 2139 [2020-10-25 19:46:08,825 INFO L226 Difference]: Without dead ends: 1279 [2020-10-25 19:46:08,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:08,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-25 19:46:08,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-10-25 19:46:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-25 19:46:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-10-25 19:46:08,864 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 161 [2020-10-25 19:46:08,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:08,865 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-10-25 19:46:08,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-10-25 19:46:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-25 19:46:08,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:08,869 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:09,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:09,084 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:09,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:09,085 INFO L82 PathProgramCache]: Analyzing trace with hash -654171505, now seen corresponding path program 1 times [2020-10-25 19:46:09,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:09,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540986595] [2020-10-25 19:46:09,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-25 19:46:09,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540986595] [2020-10-25 19:46:09,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371732832] [2020-10-25 19:46:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-25 19:46:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:09,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:09,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-25 19:46:09,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:09,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:09,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289864167] [2020-10-25 19:46:09,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:09,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:09,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:09,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:09,493 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-10-25 19:46:10,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:10,149 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-10-25 19:46:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:10,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-10-25 19:46:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:10,156 INFO L225 Difference]: With dead ends: 2276 [2020-10-25 19:46:10,156 INFO L226 Difference]: Without dead ends: 1279 [2020-10-25 19:46:10,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:10,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-25 19:46:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-10-25 19:46:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-25 19:46:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-10-25 19:46:10,185 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 204 [2020-10-25 19:46:10,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:10,185 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-10-25 19:46:10,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-10-25 19:46:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-25 19:46:10,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:10,191 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:10,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:10,405 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:10,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1215586111, now seen corresponding path program 1 times [2020-10-25 19:46:10,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:10,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668898839] [2020-10-25 19:46:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:46:10,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668898839] [2020-10-25 19:46:10,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:10,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:10,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918741502] [2020-10-25 19:46:10,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:10,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:10,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:10,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:10,530 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-10-25 19:46:11,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:11,162 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-10-25 19:46:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:11,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-25 19:46:11,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:11,171 INFO L225 Difference]: With dead ends: 3110 [2020-10-25 19:46:11,172 INFO L226 Difference]: Without dead ends: 1835 [2020-10-25 19:46:11,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-10-25 19:46:11,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-10-25 19:46:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-10-25 19:46:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-10-25 19:46:11,215 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 226 [2020-10-25 19:46:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:11,215 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-10-25 19:46:11,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-10-25 19:46:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-25 19:46:11,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:11,221 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:46:11,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:46:11,221 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1222597132, now seen corresponding path program 1 times [2020-10-25 19:46:11,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:11,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745903127] [2020-10-25 19:46:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:11,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745903127] [2020-10-25 19:46:11,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019171373] [2020-10-25 19:46:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-25 19:46:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:11,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:11,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-25 19:46:11,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:11,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:11,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478007895] [2020-10-25 19:46:11,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:11,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:11,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:11,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:11,816 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-10-25 19:46:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:12,391 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-10-25 19:46:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:12,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-25 19:46:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:12,392 INFO L225 Difference]: With dead ends: 2547 [2020-10-25 19:46:12,392 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:46:12,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:46:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:46:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:46:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:46:12,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-10-25 19:46:12,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:12,397 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:46:12,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:46:12,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:46:12,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:12,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:46:12,791 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-25 19:46:12,913 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-25 19:46:12,918 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:46:12,919 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,920 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-25 19:46:12,921 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-25 19:46:12,922 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-25 19:46:12,922 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,922 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,922 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,922 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-25 19:46:12,923 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-25 19:46:12,923 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,924 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-25 19:46:12,925 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,926 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-25 19:46:12,927 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-25 19:46:12,928 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,929 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-25 19:46:12,930 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,931 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,932 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-25 19:46:12,933 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:46:12,934 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-25 19:46:12,935 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:46:12,936 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:46:12,937 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-25 19:46:12,937 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:46:12,937 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:46:12,937 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-25 19:46:12,938 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:46:12,939 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:46:12,939 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-25 19:46:12,939 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,939 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,939 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-25 19:46:12,940 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:46:12,941 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:46:12,941 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-25 19:46:12,941 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,941 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,941 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:46:12,949 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:46:12,949 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-25 19:46:12,949 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-25 19:46:12,949 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-25 19:46:12,949 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-25 19:46:12,950 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:46:12,950 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,950 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,950 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-25 19:46:12,950 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-25 19:46:12,950 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-25 19:46:12,951 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:46:12,952 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-25 19:46:12,953 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,954 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,955 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-25 19:46:12,956 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-25 19:46:12,957 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,958 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-25 19:46:12,959 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,960 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,960 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:12,960 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-25 19:46:12,960 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-25 19:46:12,960 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-25 19:46:12,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:46:12 BoogieIcfgContainer [2020-10-25 19:46:12,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:46:12,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:46:12,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:46:12,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:46:12,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:01" (3/4) ... [2020-10-25 19:46:12,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:46:13,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:46:13,013 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:46:13,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:46:13,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:46:13,194 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:46:13,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:46:13,196 INFO L168 Benchmark]: Toolchain (without parser) took 14118.71 ms. Allocated memory was 46.1 MB in the beginning and 255.9 MB in the end (delta: 209.7 MB). Free memory was 30.1 MB in the beginning and 211.3 MB in the end (delta: -181.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,196 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 46.1 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:46:13,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.60 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 29.6 MB in the beginning and 35.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 60.8 MB. Free memory was 35.2 MB in the beginning and 29.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,198 INFO L168 Benchmark]: Boogie Preprocessor took 62.28 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 25.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,199 INFO L168 Benchmark]: RCFGBuilder took 1351.03 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 46.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,199 INFO L168 Benchmark]: TraceAbstraction took 11527.65 ms. Allocated memory was 79.7 MB in the beginning and 255.9 MB in the end (delta: 176.2 MB). Free memory was 46.2 MB in the beginning and 226.0 MB in the end (delta: -179.8 MB). Peak memory consumption was 143.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,200 INFO L168 Benchmark]: Witness Printer took 209.81 ms. Allocated memory is still 255.9 MB. Free memory was 226.0 MB in the beginning and 211.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:13,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 46.1 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 848.60 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 29.6 MB in the beginning and 35.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 60.8 MB. Free memory was 35.2 MB in the beginning and 29.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.28 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 25.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1351.03 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 46.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11527.65 ms. Allocated memory was 79.7 MB in the beginning and 255.9 MB in the end (delta: 176.2 MB). Free memory was 46.2 MB in the beginning and 226.0 MB in the end (delta: -179.8 MB). Peak memory consumption was 143.1 MB. Max. memory is 16.1 GB. * Witness Printer took 209.81 ms. Allocated memory is still 255.9 MB. Free memory was 226.0 MB in the beginning and 211.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 959 SDslu, 80 SDs, 0 SdLazy, 2952 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2290 NumberOfCodeBlocks, 2290 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522836 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 848/938 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...